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Cat food - Wikipedia
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id="toc-Natural_diet-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Packaging_and_labeling" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Packaging_and_labeling"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Packaging and labeling</span> </div> </a> <ul id="toc-Packaging_and_labeling-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Gastrointestinal_health" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Gastrointestinal_health"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Gastrointestinal health</span> </div> </a> <ul id="toc-Gastrointestinal_health-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Malnutrition" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Malnutrition"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Malnutrition</span> </div> </a> <ul id="toc-Malnutrition-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Commercial_foods" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Commercial_foods"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Commercial foods</span> </div> </a> <button aria-controls="toc-Commercial_foods-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Commercial foods subsection</span> </button> <ul id="toc-Commercial_foods-sublist" class="vector-toc-list"> <li id="toc-Dry" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Dry"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Dry</span> </div> </a> <ul id="toc-Dry-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Wet" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Wet"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span> <span>Wet</span> </div> </a> <ul id="toc-Wet-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Treats" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Treats"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.3</span> <span>Treats</span> </div> </a> <ul id="toc-Treats-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Soy_isoflavones" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Soy_isoflavones"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.4</span> <span>Soy isoflavones</span> </div> </a> <ul id="toc-Soy_isoflavones-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Specialist_diets" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Specialist_diets"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Specialist diets</span> </div> </a> <button aria-controls="toc-Specialist_diets-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Specialist diets subsection</span> </button> <ul id="toc-Specialist_diets-sublist" class="vector-toc-list"> <li id="toc-Renal_diet" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Renal_diet"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.1</span> <span>Renal diet</span> </div> </a> <ul id="toc-Renal_diet-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-High_energy" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#High_energy"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.2</span> <span>High energy</span> </div> </a> <ul id="toc-High_energy-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Raw_food" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Raw_food"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.3</span> <span>Raw food</span> </div> </a> <ul id="toc-Raw_food-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Weight_control" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Weight_control"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.4</span> <span>Weight control</span> </div> </a> <ul id="toc-Weight_control-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Grain-free" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Grain-free"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.5</span> <span>Grain-free</span> </div> </a> <ul id="toc-Grain-free-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Vegetarian_and_vegan" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Vegetarian_and_vegan"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.6</span> <span>Vegetarian and vegan</span> </div> </a> <ul id="toc-Vegetarian_and_vegan-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Homemade" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Homemade"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Homemade</span> </div> </a> <ul id="toc-Homemade-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Nutrients_and_supplements" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Nutrients_and_supplements"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Nutrients and supplements</span> </div> </a> <button aria-controls="toc-Nutrients_and_supplements-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Nutrients and supplements subsection</span> </button> <ul id="toc-Nutrients_and_supplements-sublist" class="vector-toc-list"> <li id="toc-Arginine" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Arginine"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.1</span> <span>Arginine</span> </div> </a> <ul id="toc-Arginine-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Zinc" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Zinc"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.2</span> <span>Zinc</span> </div> </a> <ul id="toc-Zinc-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Copper" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Copper"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.3</span> <span>Copper</span> </div> </a> <ul id="toc-Copper-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Selenium" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Selenium"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.4</span> <span>Selenium</span> </div> </a> <ul id="toc-Selenium-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Essential_fatty_acids" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Essential_fatty_acids"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.5</span> <span>Essential fatty acids</span> </div> </a> <ul id="toc-Essential_fatty_acids-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Vitamin_A" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Vitamin_A"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.6</span> <span>Vitamin A</span> </div> </a> <ul id="toc-Vitamin_A-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-B_vitamins" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#B_vitamins"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.7</span> <span>B vitamins</span> </div> </a> <ul id="toc-B_vitamins-sublist" class="vector-toc-list"> <li id="toc-Niacin_(B3)" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Niacin_(B3)"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.7.1</span> <span>Niacin (B3)</span> </div> </a> <ul id="toc-Niacin_(B3)-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Biotin_(B7)" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Biotin_(B7)"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.7.2</span> <span>Biotin (B7)</span> </div> </a> <ul id="toc-Biotin_(B7)-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Vitamin_C" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Vitamin_C"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.8</span> <span>Vitamin C</span> </div> </a> <ul id="toc-Vitamin_C-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Vitamin_D" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Vitamin_D"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.9</span> <span>Vitamin D</span> </div> </a> <ul id="toc-Vitamin_D-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Vitamin_E" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Vitamin_E"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.10</span> <span>Vitamin E</span> </div> </a> <ul id="toc-Vitamin_E-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Fiber" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Fiber"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.11</span> <span>Fiber</span> </div> </a> <ul id="toc-Fiber-sublist" class="vector-toc-list"> <li id="toc-Prebiotics" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Prebiotics"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.11.1</span> <span>Prebiotics</span> </div> </a> <ul id="toc-Prebiotics-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Probiotics" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Probiotics"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.12</span> <span>Probiotics</span> </div> </a> <ul id="toc-Probiotics-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Antioxidants" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Antioxidants"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.13</span> <span>Antioxidants</span> </div> </a> <ul id="toc-Antioxidants-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Taurine" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Taurine"> <div class="vector-toc-text"> <span class="vector-toc-numb">9.14</span> <span>Taurine</span> </div> </a> <ul id="toc-Taurine-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Food_allergy" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Food_allergy"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Food allergy</span> </div> </a> <ul id="toc-Food_allergy-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Recalls_and_contaminants" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Recalls_and_contaminants"> <div class="vector-toc-text"> <span class="vector-toc-numb">11</span> <span>Recalls and contaminants</span> </div> </a> <button aria-controls="toc-Recalls_and_contaminants-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Recalls and contaminants subsection</span> </button> <ul id="toc-Recalls_and_contaminants-sublist" class="vector-toc-list"> <li id="toc-Bisphenol_A" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Bisphenol_A"> <div class="vector-toc-text"> <span class="vector-toc-numb">11.1</span> <span>Bisphenol A</span> </div> </a> <ul id="toc-Bisphenol_A-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Environmental_impact" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Environmental_impact"> <div class="vector-toc-text"> <span class="vector-toc-numb">12</span> <span>Environmental impact</span> </div> </a> <ul id="toc-Environmental_impact-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Nutrient_chart" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Nutrient_chart"> <div class="vector-toc-text"> <span class="vector-toc-numb">13</span> <span>Nutrient chart</span> </div> </a> <ul id="toc-Nutrient_chart-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">14</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">15</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">16</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Cat food</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 23 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-23" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">23 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%BA%D8%B0%D8%A7%D8%A1_%D8%A7%D9%84%D9%82%D8%B7%D8%B7" title="غذاء القطط – Arabic" lang="ar" hreflang="ar" data-title="غذاء القطط" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Katzenfutter" title="Katzenfutter – German" lang="de" hreflang="de" data-title="Katzenfutter" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%93%CE%B1%CF%84%CE%BF%CF%84%CF%81%CE%BF%CF%86%CE%AE" title="Γατοτροφή – Greek" lang="el" hreflang="el" data-title="Γατοτροφή" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Comida_para_gatos" title="Comida para gatos – Spanish" lang="es" hreflang="es" data-title="Comida para gatos" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Katu-jan" title="Katu-jan – Basque" lang="eu" hreflang="eu" data-title="Katu-jan" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%BA%D8%B0%D8%A7%DB%8C_%DA%AF%D8%B1%D8%A8%D9%87" title="غذای گربه – Persian" lang="fa" hreflang="fa" data-title="غذای گربه" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Nourriture_pour_chat" title="Nourriture pour chat – French" lang="fr" hreflang="fr" data-title="Nourriture pour chat" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B3%A0%EC%96%91%EC%9D%B4_%EB%A8%B9%EC%9D%B4" title="고양이 먹이 – Korean" lang="ko" hreflang="ko" data-title="고양이 먹이" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Makanan_kucing" title="Makanan kucing – Indonesian" lang="id" hreflang="id" data-title="Makanan kucing" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%96%D7%95%D7%9F_%D7%97%D7%AA%D7%95%D7%9C%D7%99%D7%9D" title="מזון חתולים – Hebrew" lang="he" hreflang="he" data-title="מזון חתולים" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Pakan_kucing" title="Pakan kucing – Javanese" lang="jv" hreflang="jv" data-title="Pakan kucing" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Ka%C4%B7u_bar%C4%ABba" title="Kaķu barība – Latvian" lang="lv" hreflang="lv" data-title="Kaķu barība" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Makanan_kucing" title="Makanan kucing – Malay" lang="ms" hreflang="ms" data-title="Makanan kucing" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%AD%E3%83%A3%E3%83%83%E3%83%88%E3%83%95%E3%83%BC%E3%83%89" title="キャットフード – Japanese" lang="ja" hreflang="ja" data-title="キャットフード" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Kattemat" title="Kattemat – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Kattemat" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9A%D0%BE%D1%88%D0%B0%D1%87%D0%B8%D0%B9_%D0%BA%D0%BE%D1%80%D0%BC" title="Кошачий корм – Russian" lang="ru" hreflang="ru" 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i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For the song by King Crimson, see <a href="/wiki/Cat_Food_(song)" class="mw-redirect" title="Cat Food (song)">Cat Food (song)</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-Lead_too_short plainlinks metadata ambox ambox-content ambox-lead_too_short" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Wiki_letter_w.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/6/6c/Wiki_letter_w.svg/40px-Wiki_letter_w.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/6c/Wiki_letter_w.svg/60px-Wiki_letter_w.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/6c/Wiki_letter_w.svg/80px-Wiki_letter_w.svg.png 2x" data-file-width="44" data-file-height="44" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article's <a href="/wiki/Wikipedia:Manual_of_Style/Lead_section#Length" title="Wikipedia:Manual of Style/Lead section">lead section</a> <b>may be too short to adequately <a href="/wiki/Wikipedia:Summary_style" title="Wikipedia:Summary style">summarize</a> the key points</b>.<span class="hide-when-compact"> Please consider expanding the lead to <a href="/wiki/Wikipedia:Manual_of_Style/Lead_section#Provide_an_accessible_overview" title="Wikipedia:Manual of Style/Lead section">provide an accessible overview</a> of all important aspects of the article.</span> <span class="date-container"><i>(<span class="date">October 2021</span>)</i></span></div></td></tr></tbody></table> <p class="mw-empty-elt"> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Cat_and_Cat_Foods.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Cat_and_Cat_Foods.jpg/290px-Cat_and_Cat_Foods.jpg" decoding="async" width="290" height="218" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Cat_and_Cat_Foods.jpg/435px-Cat_and_Cat_Foods.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Cat_and_Cat_Foods.jpg/580px-Cat_and_Cat_Foods.jpg 2x" data-file-width="2048" data-file-height="1536" /></a><figcaption>Cat with a bowl of a combination of canned and "complete and balanced" dry food</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kattmat-Cat_food-Katzenfutter-Nourriture_pour_chats_-_2022.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Kattmat-Cat_food-Katzenfutter-Nourriture_pour_chats_-_2022.jpg/220px-Kattmat-Cat_food-Katzenfutter-Nourriture_pour_chats_-_2022.jpg" decoding="async" width="220" height="178" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Kattmat-Cat_food-Katzenfutter-Nourriture_pour_chats_-_2022.jpg/330px-Kattmat-Cat_food-Katzenfutter-Nourriture_pour_chats_-_2022.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Kattmat-Cat_food-Katzenfutter-Nourriture_pour_chats_-_2022.jpg/440px-Kattmat-Cat_food-Katzenfutter-Nourriture_pour_chats_-_2022.jpg 2x" data-file-width="1528" data-file-height="1234" /></a><figcaption>Various kinds of canned cat food</figcaption></figure> <p><b>Cat food</b> is <a href="/wiki/Food" title="Food">food</a> specifically formulated and designed for consumption by <a href="/wiki/Cat" title="Cat">cats</a>. As <a href="/wiki/Obligate_carnivore" class="mw-redirect" title="Obligate carnivore">obligate carnivores</a>, cats have specific requirements for their dietary nutrients, namely nutrients found only in meat or synthesized, such as <a href="/wiki/Taurine" title="Taurine">taurine</a> and <a href="/wiki/Vitamin_A" title="Vitamin A">Vitamin A</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Certain nutrients, including many vitamins and <a href="/wiki/Amino_acid" title="Amino acid">amino acids</a>, are degraded by the temperatures, pressures and chemical treatments used during manufacture, and hence must be added after manufacture to avoid nutritional deficiency.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-perry_3-0" class="reference"><a href="#cite_note-perry-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Cat food is typically sold as dry kibble, or as wet food in cans and pouches. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>During the 19th century and early 20th centuries, meat for cats and dogs in London, frequently <a href="/wiki/Horse_meat" title="Horse meat">horse meat</a>, was sold from barrows (hand–carts) by traders known as Cat's Meat Men or Women.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:18_5-0" class="reference"><a href="#cite_note-:18-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Henry_Mayhew" title="Henry Mayhew">Henry Mayhew</a> estimated in <i><a href="/wiki/London_Labour_and_the_London_Poor" title="London Labour and the London Poor">London Labour and the London Poor</a></i> (1851) that the total number of cats in London might be 300,000.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Each cat's meat seller had a particular route and served a few hundred households, their approach marked by mewing cats.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>The idea of preparing specialized food for cats came later than <a href="/wiki/Dog_food" title="Dog food">dog food</a> and <a href="/wiki/Dog_biscuit" title="Dog biscuit">dog biscuits</a>. This was likely due to the idea that cats could readily fend for themselves. In 1837, a French writer Mauny de Mornay critiqued this idea:<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style><blockquote class="templatequote"><p>It is... thought wrongly that the cat, ill-fed, hunts better and takes more mice; this too is a grave error. The cat who is not given food is feeble and sickly; as soon as he has bitten into a mouse, he lies down to rest and sleep; while well fed, he is wide awake and satisfies his natural taste in chasing all that belongs to the rat family.</p></blockquote> <p>In 1844, another French writer, Nicolas Jean-Baptiste Boyard, expanded on this idea:<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1244412712"><blockquote class="templatequote"><p>Normally in the country no care is taken of a cat's food, and he is left to live, it is said, from his hunting, but when he is hungry, he hunts the pantry's provisions far more than the mouse; because he does not pursue them and never watches them by need, but by instinct and attraction. And so, to neglect feeding a cat, is to render him at the same time useless and harmful, while with a few scraps regularly and properly given, the cat will never do any damage, and will render much service.</p></blockquote> <p>He goes on to say that it is all the more unreasonable to expect a cat to live from hunting in that cats take mice more for amusement than to eat: "A good cat takes many and eats few." </p><p>By 1876, <a href="/wiki/William_Gordon_Stables" title="William Gordon Stables">Gordon Stables</a> emphasized the need to give cats particular food:<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1244412712"><blockquote class="templatequote"><p>If then, only for the sake of making (a cat) more valuable as a vermin-killer, she ought to have regular and sufficient food. A cat ought to be fed at least twice a day. Let her have a dish to herself, put down to her, and removed when the meal is finished. <a href="/wiki/Experience_is_the_best_teacher" class="mw-redirect" title="Experience is the best teacher">Experience is the best teacher</a> as regards the quantity of a cat's food, and in quality let it be varied. Oatmeal porridge and milk, or white bread steeped in warm milk, to which a little sugar has been added, are both excellent breakfasts for puss; and for dinner she must have an allowance of flesh. Boiled <a href="/wiki/Lights_(offal)" title="Lights (offal)">lights</a> are better for her than <a href="/wiki/Horse_meat" title="Horse meat">horse-meat</a>, and occasionally let her have fish. Teach your cat to wait patiently till she is served—a spoiled cat is nearly as disagreeable as a spoiled child. If you want to have your cat nice and clean, treat her now and then to a square inch of fresh <a href="/wiki/Butter" title="Butter">butter</a>. It not only acts as a gentle <a href="/wiki/Laxative" title="Laxative">laxative</a>, but, the grease, combining in her mouth, with the <a href="/wiki/Alkalinity" title="Alkalinity">alkalinity</a> of her <a href="/wiki/Saliva" title="Saliva">saliva</a>, forms a kind of natural cat-soap, and you will see she will immediately commence washing herself, and become beautifully clean. (N.B.—If you wish to have a cat nicely done up for showing, touch her all over with a sponge dipped in fresh cream, when she licks herself the effect is wonderful.) Remember that too much flesh-meat, especially liver,—which ought only to be given occasionally,—is very apt to induce a troublesome diarrhoea (looseness). Do not give your pet too many tit-bits at table; but whatever else you give her, never neglect to let her have her <em>two regular meals</em>.</p></blockquote> <p>In the same year, an advertisement for <a href="/wiki/Spratt%27s" title="Spratt's">Spratt</a> (better known for making dog food) said that their cat food entirely superseded "the unwholesome practice of feeding on boiled horse flesh".<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> And, in another book on cats, Stables recommended the company's food:<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1244412712"><blockquote class="templatequote"><p>Attend to the feeding, and, at a more than one-day show, cats ought to have <i>water</i> as well as milk. I think boiled lights, cut into small pieces, with a very small portion of bullock's liver and bread soaked, is the best food; but I have tried Spratt's Patent Cat Food with a great number of cats, both of my own and those of friends, and have nearly always found it agree; and at a cat show it would, I believe, be both handy and cleanly.</p></blockquote> <p>Spratt, which began by making dog biscuits, appears to also have been the first commercial producer of cat food.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2023)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Natural_diet">Natural diet</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=2" title="Edit section: Natural diet"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Felis_lybica#Hunting_and_diet" class="mw-redirect" title="Felis lybica">Felis lybica § Hunting and diet</a>, and <a href="/wiki/European_wildcat#Hunting_and_diet" title="European wildcat">European wildcat § Hunting and diet</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Cat_eating_a_rabbit.jpeg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Cat_eating_a_rabbit.jpeg/220px-Cat_eating_a_rabbit.jpeg" decoding="async" width="220" height="187" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Cat_eating_a_rabbit.jpeg/330px-Cat_eating_a_rabbit.jpeg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/75/Cat_eating_a_rabbit.jpeg/440px-Cat_eating_a_rabbit.jpeg 2x" data-file-width="2159" data-file-height="1836" /></a><figcaption>Cat with prey rabbit</figcaption></figure> <p>Cats are obligate <a href="/wiki/Carnivore" title="Carnivore">carnivores</a>—meaning, they are true carnivores and depend upon the nutrients present in animal flesh for their dietary needs in nature. Even domesticated cats can consume freshly killed meat from rodents, rabbits, amphibians, birds, reptiles and fish, whether through hunting or by having it provided by humans.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> The natural diet of cats does not include any vegetable matter.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p>Cats cannot synthesize some nutrients that are non-essential for humans and required for survival, including the amino acids <a href="/wiki/Taurine" title="Taurine">taurine</a> and <a href="/wiki/Arginine" title="Arginine">arginine</a>. Some of these nutrients are not found in plants and must be sourced from meat in the natural diet. Cats lack the specific physiology to extract nutrients efficiently from raw plant-based materials, and require a high protein diet.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Packaging_and_labeling">Packaging and labeling</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=3" title="Edit section: Packaging and labeling"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Pet_food#Labeling_and_regulation" title="Pet food">Pet food § Labeling and regulation</a></div> <p>In the United States, cat food using the label "complete and balanced" is required to meet standards that have been established by the <a href="/wiki/Association_of_American_Feed_Control_Officials" title="Association of American Feed Control Officials">Association of American Feed Control Officials</a> (AAFCO) by either meeting a nutrient profile or passing a feeding trial. Cat Food Nutrient Profiles were established in 1992 and updated in 2014 by the AAFCO's Feline Nutrition Expert Subcommittee. The updated profiles replaced the previous recommendations set by the <a href="/wiki/United_States_National_Research_Council" class="mw-redirect" title="United States National Research Council">National Research Council</a> (NRC). Certain manufacturers label their products with terms such as premium, ultra premium, natural and holistic. Such terms currently have no legal definitions.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> However, "While most of the food supplied comes from within the US, the FDA ensures that standards are met within our borders even when components come from countries with less stringent levels of safety or label integrity."<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template noprint noexcerpt Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:NOTRS" class="mw-redirect" title="Wikipedia:NOTRS"><span title="This claim needs references to better sources. (April 2024)">better source needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Gastrointestinal_health">Gastrointestinal health</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=4" title="Edit section: Gastrointestinal health"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Gastrointestinal_tract" title="Gastrointestinal tract">gastrointestinal tract</a> (GIT) is the source of <a href="/wiki/Nutrient" title="Nutrient">nutrient</a> absorption, making it integral to overall health.<sup id="cite_ref-book_20-0" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Research shows <a href="/wiki/Dietary_fiber" title="Dietary fiber">fiber</a>, <a href="/wiki/Prebiotics" class="mw-redirect" title="Prebiotics">prebiotics</a>, <a href="/wiki/Probiotics" class="mw-redirect" title="Probiotics">probiotics</a>, <a href="/wiki/Antioxidants" class="mw-redirect" title="Antioxidants">antioxidants</a> and <a href="/wiki/Fatty_acids" class="mw-redirect" title="Fatty acids">fatty acids</a> are important in maintaining gastrointestinal health.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2024)">citation needed</span></a></i>]</sup> </p><p>To achieve optimal cellular health (especially in the gut) and to maintain a healthy <a href="/wiki/Microbiome" title="Microbiome">microbiome</a>, proper nutrition is necessary (nutrition is multifactorial and complex).<sup id="cite_ref-[29]_21-0" class="reference"><a href="#cite_note-[29]-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Cats with gastrointestinal diseases must consume an easily digestible diet with the appropriate nutrients provided by easily digestible ingredients and in the correct ratio which is recommended to be fed in small portions frequently throughout the day, so as not to overwhelm the digestive system.<sup id="cite_ref-[29]_21-1" class="reference"><a href="#cite_note-[29]-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> It is also important for fat to be digestible because too much undigested fat that reaches the end of the digestive tract (colon) has the possibility of being fermented and can worsen the symptoms of GIT disease and induce other reactions like diarrhea.<sup id="cite_ref-[29]_21-2" class="reference"><a href="#cite_note-[29]-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> It has also been suggested that cats should eat diets tailored to the section of the GIT that is diseased.<sup id="cite_ref-[29]_21-3" class="reference"><a href="#cite_note-[29]-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>When certain nutrients like fructooligosaccharides (FOS) are included in the diet, the microbiome and fatty acid content are often changed for the better.<sup id="cite_ref-book_20-1" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> An example is less branched-chain fatty acids (BCFAs; which are more difficult and take more time to digest) are produced and more short-chain fatty acids (SCFAs; which are easier to digest and are more readily available sources of energy which can be used for supporting cell turnover keeping cells, like those found in the GIT, thereby improving GIT health and immune function) are produced.<sup id="cite_ref-book_20-2" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> FOS can also impact production of other fatty acids.<sup id="cite_ref-book_20-3" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Malnutrition">Malnutrition</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=5" title="Edit section: Malnutrition"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Malnutrition can be a problem for cats fed non-conventional diets. Cats fed exclusively on raw, <a href="/wiki/Freshwater_fish" title="Freshwater fish">freshwater fish</a> can develop a <a href="/wiki/Thiamine" title="Thiamine">thiamine</a> deficiency. Those fed exclusively on liver may develop <a href="/wiki/Vitamin_A" title="Vitamin A">vitamin A</a> toxicity. Also, homemade diets, either 'organic', 'natural', or 'vegetarian' may contain excessive <a href="/wiki/Protein" title="Protein">protein</a> and <a href="/wiki/Phosphorus" title="Phosphorus">phosphorus</a> while being deficient in <a href="/wiki/Calcium" title="Calcium">calcium</a>, <a href="/wiki/Vitamin_E" title="Vitamin E">vitamin E</a>, and <a href="/wiki/Microminerals" class="mw-redirect" title="Microminerals">microminerals</a> such as <a href="/wiki/Copper" title="Copper">copper</a>, <a href="/wiki/Zinc" title="Zinc">zinc</a>, and <a href="/wiki/Potassium" title="Potassium">potassium</a>. <a href="/wiki/Energy_density" title="Energy density">Energy density</a> must also be maintained relative to the other <a href="/wiki/Nutrients" class="mw-redirect" title="Nutrients">nutrients</a>. When <a href="/wiki/Vegetable_oil" title="Vegetable oil">vegetable oil</a> is used to maintain the energy balance, cats may not find the food as <a href="/wiki/Palatable" class="mw-redirect" title="Palatable">palatable</a>, causing less food to be eaten.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Commercial_foods">Commercial foods</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=6" title="Edit section: Commercial foods"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Most store-bought cat food comes in either dry form, also known in the US as <i>kibble</i>, or wet form (canned or in pouches). Some manufacturers sell frozen raw diets and premix products to cater to owners who <a href="/wiki/Raw_feeding" title="Raw feeding">feed raw</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2024)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading3"><h3 id="Dry">Dry</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=7" title="Edit section: Dry"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Katzenfutter.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Katzenfutter.JPG/220px-Katzenfutter.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Katzenfutter.JPG/330px-Katzenfutter.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Katzenfutter.JPG/440px-Katzenfutter.JPG 2x" data-file-width="1068" data-file-height="801" /></a><figcaption>Dry (extruded) cat food example</figcaption></figure> <p>Dry food (8–10% moisture) is generally made by <a href="/wiki/Food_extrusion" title="Food extrusion">extrusion</a> cooking under high heat and pressure. Approximately 95% of dry pet foods are extruded.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources#What_information_to_include" title="Wikipedia:Citing sources"><span title="A complete citation is needed. (October 2023)">full citation needed</span></a></i>]</sup> During this process, the meat is first ground up, cooked under very high heat, and processed so it becomes a powder. The powder is fed into a massive mixer. In the mixer, additional supplements are added; then it's cooked again at very high heat to turn it into a dough, which is molded in the shape of kibble, and baked. At this point, it no longer smells like meat. Fat may be sprayed<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> on the food afterwards to increase <a href="/wiki/Palatability" title="Palatability">palatability</a>, as well as other minor ingredients, such as heat-sensitive vitamins, which would be destroyed in the extrusion process.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2024)">citation needed</span></a></i>]</sup> Dry food is most often packed in multi-wall <a href="/wiki/Paper_bag" title="Paper bag">paper bags</a>, sometimes with a <a href="/wiki/Plastic_film" title="Plastic film">plastic film</a> layer; similar bag styles with film laminates or coextrusions are also used. </p><p>Dry foods contain high amounts of carbohydrates in order to maintain their shape and structure. Concerns have been raised that there is some association between the carbohydrate content and risk of obesity and type 2 diabetes in felines.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Wet">Wet</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=8" title="Edit section: Wet"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Canned_Cat_Food1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Canned_Cat_Food1.jpg/220px-Canned_Cat_Food1.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Canned_Cat_Food1.jpg/330px-Canned_Cat_Food1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Canned_Cat_Food1.jpg/440px-Canned_Cat_Food1.jpg 2x" data-file-width="2048" data-file-height="1536" /></a><figcaption>Wet (canned) cat food example (Fish flakes in jelly)</figcaption></figure> <p>In much of Europe, the UK and the US, <a href="/wiki/Canning" title="Canning">canned</a> or wet food (75–78% moisture) generally comes in aluminum or steel cans in <style data-mw-deduplicate="TemplateStyles:r1154941027">.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style>90, 160 and 370 g (3, <span class="frac">5<span class="sr-only">+</span><span class="num">1</span>⁄<span class="den">2</span></span> and 13 oz) sizes. It is also sold in foil pouch form.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2024)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading3"><h3 id="Treats">Treats</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=9" title="Edit section: Treats"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A variety of cat treats are commercially available. These can be divided into dry cat treats, wet cat treats, and semi-moist treats.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> A 2004 survey in the US and Australia found 26% of cats received treats on a daily basis.<sup id="cite_ref-laflamme_27-0" class="reference"><a href="#cite_note-laflamme-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> However, not more than 10% of a cat's calorie intake should come from treats.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Soy_isoflavones">Soy isoflavones</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=10" title="Edit section: Soy isoflavones"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Soy" class="mw-redirect" title="Soy">Soy</a> is often used in commercial cat food diets as a vegetable protein. In one study more than half of commercial cat foods surveyed contained <a href="/wiki/Soy_isoflavones" class="mw-redirect" title="Soy isoflavones">soy isoflavones</a>. <a href="/wiki/Genistein" title="Genistein">Genistein</a> and <a href="/wiki/Daidzein" title="Daidzein">daidzein</a>, both of which occur in soybeans, inhibit the enzymes <a href="/wiki/Thyroid_peroxidase" title="Thyroid peroxidase">thyroid peroxidase</a> and <a href="/wiki/Thyroxine_5-deiodinase" title="Thyroxine 5-deiodinase">thyroxine 5-deiodinase</a>. This causes decreased <a href="/wiki/Thyroxine" class="mw-redirect" title="Thyroxine">thyroxine</a> and <a href="/wiki/Triiodothyronine" title="Triiodothyronine">triiodothyronine</a> concentrations. In response to decreased triiodothyronine levels the body will produce more <a href="/wiki/Thyroid-stimulating_hormone" title="Thyroid-stimulating hormone">thyroid-stimulating hormone</a> to normalize triiodothyronine levels, this has been shown to result in increased thyroxine levels. This may result in <a href="/wiki/Hyperplasia" title="Hyperplasia">hyperplasia</a> of the <a href="/wiki/Thyroid_gland" class="mw-redirect" title="Thyroid gland">thyroid gland</a> and <a href="/wiki/Thyrotoxicosis" class="mw-redirect" title="Thyrotoxicosis">thyrotoxicosis</a>.<sup id="cite_ref-endo_29-0" class="reference"><a href="#cite_note-endo-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Specialist_diets">Specialist diets</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=11" title="Edit section: Specialist diets"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Cat food may be formulated for a variety of specialist diets, for therapeutic or other purposes. A 2004 survey in the US and Australia found 3.6% of cats were fed therapeutic diets.<sup id="cite_ref-laflamme_27-1" class="reference"><a href="#cite_note-laflamme-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Renal_diet">Renal diet</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=12" title="Edit section: Renal diet"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Renal_diet" title="Renal diet">Renal diet</a></div> <p>A <a href="/wiki/Renal_diet" title="Renal diet">renal diet</a> is formulated for cats that are living with chronic kidney disease (CKD). This is a highly prevalent condition in the feline population and is most common in aging and older cats.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> It has been shown that the lifespan of cats experiencing CKD can be extended by as much as 2 years when receiving therapeutic diets rather than regular maintenance diets.<sup id="cite_ref-:133_31-0" class="reference"><a href="#cite_note-:133-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> These diets are low in protein, low in phosphorus, have a high energy density, a higher fat content and include omega-3 fatty acids.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2024)">citation needed</span></a></i>]</sup> </p><p>Renal diets with low protein have been adopted by a number of big pet food manufacturers.<sup id="cite_ref-:133_31-1" class="reference"><a href="#cite_note-:133-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> Although the diet of a healthy cat should be high in protein, at times it is medically necessary for a cat to eat a low protein diet. For cats living with chronic renal disease, low protein diets lower the amount of nitrogenous waste in the body, helping to decrease the strain put on the kidneys.<sup id="cite_ref-:133_31-2" class="reference"><a href="#cite_note-:133-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> The exact level of protein that is needed for therapeutic CKD diets is unclear.<sup id="cite_ref-:133_31-3" class="reference"><a href="#cite_note-:133-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>Low protein diets can be formulated as a wet or dry food, with the main difference being the moisture content.<sup id="cite_ref-:05_32-0" class="reference"><a href="#cite_note-:05-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:133_31-4" class="reference"><a href="#cite_note-:133-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> Unfortunately, low protein diets are not as palatable to cats as diets high in protein.<sup id="cite_ref-:133_31-5" class="reference"><a href="#cite_note-:133-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>Low protein diets should not be fed to cats with the liver condition known as <a href="/wiki/Hepatic_encephalopathy" title="Hepatic encephalopathy">hepatic encephalopathy</a> because severe protein restriction can be detrimental to animals with this condition.<sup id="cite_ref-:162_33-0" class="reference"><a href="#cite_note-:162-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> Cats with this condition should be fed a diet with high quality protein sources that have adequate amounts of the amino acids <a href="/wiki/Taurine" title="Taurine">taurine</a> and <a href="/wiki/Arginine" title="Arginine">arginine</a>.<sup id="cite_ref-:162_33-1" class="reference"><a href="#cite_note-:162-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </p><p>In low protein diets, unless the protein source is a high quality protein such as an animal-based protein, cats (and especially kittens) have been shown to develop <a href="/wiki/Retina" title="Retina">retinal</a> degeneration due to a deficiency in <a href="/wiki/Taurine" title="Taurine">taurine</a>, an essential amino acid for cats that is derived from animal protein.<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> </p><p>Low protein diets have been linked to health defects such as lack of growth, decreased food intake, muscle atrophy, hypoalbuminemia, skin alterations, and more.<sup id="cite_ref-:222_35-0" class="reference"><a href="#cite_note-:222-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> Cats on lower protein diets are more likely to lose weight, and to lose lean body mass.<sup id="cite_ref-:222_35-1" class="reference"><a href="#cite_note-:222-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> </p><p>Low protein diets that are high in carbohydrates have been found to decrease glucose tolerance in cats.<sup id="cite_ref-:172_36-0" class="reference"><a href="#cite_note-:172-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> With a decreased glucose tolerance, clinical observations have confirmed that cats consuming large proportions of metabolizable energy, in the form of carbohydrates rather than protein, are more likely to develop <a href="/wiki/Hyperglycemia" title="Hyperglycemia">hyperglycemia</a>, <a href="/wiki/Hyperinsulinemia" title="Hyperinsulinemia">hyperinsulinemia</a>, <a href="/wiki/Insulin_resistance" title="Insulin resistance">insulin resistance</a>, and <a href="/wiki/Obesity" title="Obesity">obesity</a>.<sup id="cite_ref-:172_36-1" class="reference"><a href="#cite_note-:172-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </p><p>Restricting <a href="/wiki/Phosphorus" title="Phosphorus">phosphorus</a> has been proven to decrease the progression of <a href="/wiki/Chronic_kidney_disease" title="Chronic kidney disease">CKD</a>.<sup id="cite_ref-:133_31-6" class="reference"><a href="#cite_note-:133-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> This is because phosphorus can be deposited into soft tissues and become <a href="/wiki/Mineralization_(biology)" class="mw-redirect" title="Mineralization (biology)">mineralized</a>, which can cause kidney damage.<sup id="cite_ref-:142_37-0" class="reference"><a href="#cite_note-:142-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> </p><p>Formulating these diets with higher amounts of fat is important to make sure the food is palatable in the absence of protein and promote an increased caloric intake.<sup id="cite_ref-:133_31-7" class="reference"><a href="#cite_note-:133-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> The higher fat content will also spare the use of protein for energy and help decrease stress on the kidneys.<sup id="cite_ref-:53_38-0" class="reference"><a href="#cite_note-:53-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> Omega-3 fatty acids are included in therapeutic diets because of their anti-inflammatory properties to aid the diseased kidneys.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="High_energy">High energy</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=13" title="Edit section: High energy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A high energy diet is generally high in <a href="/wiki/Fat" title="Fat">fat</a>. Compared to <a href="/wiki/Carbohydrate" title="Carbohydrate">carbohydrates</a> and <a href="/wiki/Protein" title="Protein">protein</a>, fat provides much more <a href="/wiki/Calorie" title="Calorie">energy</a>, at 8.5 kcal/g.<sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2023)">citation needed</span></a></i>]</sup> High energy diets generally have a fat content greater than 20% on a dry matter basis. A high energy diet is appropriate for cats who are undergoing growth, recovering from illness, are <a href="/wiki/Pregnancy" title="Pregnancy">pregnant</a> or <a href="/wiki/Lactation" title="Lactation">lactating</a>, as their energy requirements are higher than otherwise.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> A lactating or gestating cat requires a nutrient-dense and highly digestible diet to withstand the high levels of stress being placed on her body.<sup id="cite_ref-:6_42-0" class="reference"><a href="#cite_note-:6-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> These conditions are found in cat food that is formulated for growth, performance, or high energy during all life stages.<sup id="cite_ref-:6_42-1" class="reference"><a href="#cite_note-:6-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> </p><p>To maintain a neutral energy balance and thus maintain body weight, energy intake should increase with energy expenditure.<sup id="cite_ref-:10_43-0" class="reference"><a href="#cite_note-:10-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> Studies that relate the number of meals offered to cats per day to their daily activity levels have shown conflicting results. It has been shown that cats offered four meals a day or a random number of meals a day have similar energy levels, greater than those fed only one meal per day.<sup id="cite_ref-swanson_44-0" class="reference"><a href="#cite_note-swanson-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> It has been postulated that this increased energy level could be due to purported spikes in activity before being fed, known as food anticipatory activity.<sup id="cite_ref-swanson_44-1" class="reference"><a href="#cite_note-swanson-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> Other studies on female cats have found that increasing the daily amount of food may actually decrease their daily activity levels.<sup id="cite_ref-maria_45-0" class="reference"><a href="#cite_note-maria-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> The age, sex, and whether cats are intact or have been spayed/neutered are all factors controlling activity level.<sup id="cite_ref-detweiler_46-0" class="reference"><a href="#cite_note-detweiler-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> </p><p>As cats age, there is evidence that their metabolic energy requirements may increase,<sup id="cite_ref-main_47-0" class="reference"><a href="#cite_note-main-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> especially after 12 or 13 years old,<sup id="cite_ref-main_47-1" class="reference"><a href="#cite_note-main-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> but other evidence suggests that metabolic energy needs are not dissimilar at different ages.<sup id="cite_ref-berm_48-0" class="reference"><a href="#cite_note-berm-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup> Furthermore, it has been shown that cats over 12 years old are more likely to be underweight than younger cats, so a high calorie diet may be appropriate to treat weight loss, and thus to maintain an appropriate body condition score.<sup id="cite_ref-main_47-2" class="reference"><a href="#cite_note-main-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> Weight loss can occur when the cat expends more energy but does not increase its food energy intake.<sup id="cite_ref-:10_43-1" class="reference"><a href="#cite_note-:10-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> It has also been demonstrated that as cats age, they are less able to digest and thus absorb dietary fats and proteins.<sup id="cite_ref-main_47-3" class="reference"><a href="#cite_note-main-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> </p><p>Pregnancy and lactation are strenuous periods on the female cat. During pregnancy a cat should gain 38% of their body weight by the time they are ready to give birth. It is recommended that a cat's diet should contain 4000 kcal per kg of dry food<sup id="cite_ref-Pregnancy_Cat_Nutrition2_49-0" class="reference"><a href="#cite_note-Pregnancy_Cat_Nutrition2-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> while pregnant; during lactation it is recommended that the cat consumes 240–354 kcal ME per kg of body weight.<sup id="cite_ref-Pregnancy_Cat_Nutrition2_49-1" class="reference"><a href="#cite_note-Pregnancy_Cat_Nutrition2-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> Studies show that increasing the intake of food for a pregnant animal in order to help it gain weight can have negative effects.<sup id="cite_ref-Pregnancy_Cat_Nutrition2_49-2" class="reference"><a href="#cite_note-Pregnancy_Cat_Nutrition2-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> It is acknowledged that rather than increasing intake, feeding a highly energy dense food is a way to ensure that the female cat, or queen, receives adequate energy and nutrient requirements are met.<sup id="cite_ref-Pregnancy_Cat_Nutrition2_49-3" class="reference"><a href="#cite_note-Pregnancy_Cat_Nutrition2-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> </p><p>It has been found that nutritional support consistent with the <a href="/wiki/Energy_homeostasis" title="Energy homeostasis">resting energy requirement</a> (RER) soon after surgery or the onset of illness decreases the <a href="/wiki/Mortality_rate" title="Mortality rate">mortality rate</a> and the duration of hospitalization in cats.<sup id="cite_ref-perea2_50-0" class="reference"><a href="#cite_note-perea2-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-chan2_51-0" class="reference"><a href="#cite_note-chan2-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> A recovering cat needs enough energy (calories), as well as more protein and fats. Critical care diets are formulated to be highly <a href="/wiki/Palatability" title="Palatability">palatable</a> and digestible, as well as high <a href="/wiki/Energy_density" title="Energy density">energy density</a>.<sup id="cite_ref-perea2_50-1" class="reference"><a href="#cite_note-perea2-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-chan2_51-1" class="reference"><a href="#cite_note-chan2-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> This limits the mass of food required to be consumed to meet the RER.<sup id="cite_ref-perea2_50-2" class="reference"><a href="#cite_note-perea2-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> This type of high energy diet has proven to be very important in the nutritional support of post-operative and ill cats.<sup id="cite_ref-perea2_50-3" class="reference"><a href="#cite_note-perea2-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Raw_food">Raw food</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=14" title="Edit section: Raw food"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Raw_feeding" title="Raw feeding">Raw feeding</a> is providing uncooked ingredients to cats.<sup id="cite_ref-:8_52-0" class="reference"><a href="#cite_note-:8-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> Most of the diet will consist of animal-based ingredients, though fruits, vegetables and supplements are often added.<sup id="cite_ref-:8_52-1" class="reference"><a href="#cite_note-:8-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> Commercial raw food is mainly sold in three formats: fresh, frozen and <a href="/wiki/Freeze-drying" class="mw-redirect" title="Freeze-drying">freeze-dried</a>.<sup id="cite_ref-:8_52-2" class="reference"><a href="#cite_note-:8-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> Thawing and rehydration are necessary before feeding frozen and freeze-dried food respectively. Many available commercial diets are AAFCO certified in meeting the nutrient requirements of the cat.<sup id="cite_ref-:8_52-3" class="reference"><a href="#cite_note-:8-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> Some diets may be formulated for all life stages or they can also be AAFCO certified for adult maintenance or growth and gestation/lactation.<sup id="cite_ref-:8_52-4" class="reference"><a href="#cite_note-:8-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> Many people feed their cats raw food believing that it mimics the prey diet that wild cats would consume. Firm believers report that such a diet can bring about many health benefits, such as a shinier coat, cleaner teeth and an improved immunity to various gastrointestinal ailments (with diarrhea and constipation being the most common), as well as an increase in energy and a decrease in bodily waste odours, although no scientific evidence exists to prove these claims.<sup id="cite_ref-:8_52-5" class="reference"><a href="#cite_note-:8-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> In addition, raw food comes at risk of malnutrition (by inexpert formulation) and infection (to the cat and other family members).<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> </p><p>Commercial raw diets can undergo <a href="/wiki/Pascalization" title="Pascalization">High Pressure Pasteurization</a> (HPP), a process which kills bacteria and pathogens, including <a href="/wiki/Salmonella" title="Salmonella">salmonella</a>, using high water pressure.<sup id="cite_ref-:9_54-0" class="reference"><a href="#cite_note-:9-54"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup> This technique is <a href="/wiki/United_States_Department_of_Agriculture" title="United States Department of Agriculture">USDA</a> approved and allows raw food to remain uncooked while greatly improving its safety and shelf-life.<sup id="cite_ref-:9_54-1" class="reference"><a href="#cite_note-:9-54"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup> However, every year, many commercial raw pet foods are recalled due to various bacterial contamination, implying that feeding raw comes with a risk.<sup id="cite_ref-:9_54-2" class="reference"><a href="#cite_note-:9-54"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Weight_control">Weight control</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=15" title="Edit section: Weight control"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Obesity_in_pets" title="Obesity in pets">Obesity in pets</a></div> <p>Weight control simply means ensuring an energy balance: energy in equals energy out. Weight gain means more energy is being consumed than is being expended in exercise and other functions. A weight management diet is designed to allow fewer calories to be consumed in a larger volume of food, allowing for less risk of an energy imbalance. </p><p>Adult cats should be fed a diet that promotes maintaining a healthy weight, while at the same time meeting the individual taste preference of the cat. Cats generally prefer to eat smaller meals more frequently, which can lead to less weight gain compared to cats that are fed free-choice (always available) food. Meanwhile, some cats adapt to free-choice feeding and can maintain normal body weight with no weight gain.<sup id="cite_ref-:6_42-2" class="reference"><a href="#cite_note-:6-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> In general, indoor cats have less opportunity or need for exercise than outdoor cats; indoor cats are much more prone to weight gain. For indoor cats, there are a variety of choices to promote exercise, including various cat toys designed to stimulate chase and play behaviors.<sup id="cite_ref-:6_42-3" class="reference"><a href="#cite_note-:6-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> Overall, if an adult cat cannot maintain normal body condition on a free-choice feeding diet, despite exercise levels, portion-controlled feeding is recommended. Many pet cats are fed energy-dense, high carbohydrate diets, which provide much more energy than needed. This is a major issue with indoor cats as it has been shown to lead to obesity. To prevent cats from becoming overweight, owners should be more inclined to implement weight control diets, which provide the cat with nutrient-dense, low energy ingredients.<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup> Studies have shown that cats fed lower energy diets had a significantly reduced incidence of obesity, as the typical indoor pet cat does not need more energy than their resting energy requirement. For an average cat weighing 10–11 pounds (about 5 kg), it would have a resting energy requirement of 180–200 kcal/day.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup> </p><p>Along with energy input and output, specific nutrients can be important in weight control diets. Fiber is an important component that helps control weight, along with various other benefits. A source of soluble and fermentable fiber helps to increase the movement of digesta through the gut and decrease gastric emptying. This helps to increase satiety in cats, potentially decreasing feeding rates and voluntary energy consumption. Fermentable fiber promotes healthy mucosa and <a href="/wiki/Commensal_bacteria" class="mw-redirect" title="Commensal bacteria">commensal bacterial</a> growth and improved digestion/nutrient absorption. Prebiotic fibers like <a href="/wiki/Fructooligosaccharide" title="Fructooligosaccharide">fructooligosaccharides</a> (FOS) and mannooligosaccharides (MOS) decrease the number of pathogenic bacteria and increase the number of beneficial bacteria in the gut. They also help to maintain microbial balance and a healthy immune system. Fiber is fermented in the colon to produce short-chain fatty acids which can be used as an energy source. Fermentable fiber has been demonstrated to enhance general health and decrease inflammation.<sup id="cite_ref-:18_5-1" class="reference"><a href="#cite_note-:18-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Furthermore, non-fermentable fiber is critical to the formation of well-formed stool, and has been known to increase diet bulk while decreasing caloric density. Insoluble fiber has been proposed to regulate appetite by releasing hormones that reduce hunger. Sources of fiber commonly added in weight management cat food include beet pulp, barley, <a href="/wiki/Psyllium" title="Psyllium">psyllium</a> and <a href="/wiki/Cellulose" title="Cellulose">cellulose</a>. </p><p>Another nutrient important for weight control diets is protein and its component amino acids. Felines, being obligate carnivores, require a natural diet of animal products which consists of protein and fat (i.e. muscle, organs and animal tissue). Dietary protein supplies amino acids that can be utilized and metabolized as energy before using fat stores, even though protein is not stored in the body the same way as fat.<sup id="cite_ref-:6_42-4" class="reference"><a href="#cite_note-:6-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> Dietary fat is more efficiently converted to body fat than protein; if an animal is consuming more than its energy requirement and if the excess energy is provided by fat, more weight will be gained than if the excess calories are coming from protein.<sup id="cite_ref-:6_42-5" class="reference"><a href="#cite_note-:6-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> Dietary protein also improves satiety during feed, resulting in decreased overconsumption of food.<sup id="cite_ref-:6_42-6" class="reference"><a href="#cite_note-:6-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> The protein content of the diet is a key factor in building and maintaining lean body (muscle) mass, which is an important aspect of weight control. Lean body mass maintenance is regulated by protein intake, but more importantly is regulated by exercise. Limited protein and amino acids in the diet will limit lean body mass growth, but exercise or lack of exercise will allow growth or shrinking of muscle. Successful weight control involves maintenance of healthy adipose tissue levels, but most importantly maintenance of lean body mass. Lean muscle is the driver of basal energy metabolism and aids in the use of energy. When sufficient levels of fat are provided, fat will be used by the body as an energy source, but only when there are insufficient levels of protein. </p><p>An important component of many weight loss/weight control diets is <a href="/wiki/L-carnitine" class="mw-redirect" title="L-carnitine">L-carnitine</a>. This is a vitamin-like substance that is found in animal protein. It can be found in ingredients commonly used in more commercial pet foods, but specifically weight management/weight loss diets. L-carnitine is involved in many biological pathways, more specifically fatty acid metabolism, allowing for the conversion of long-chain fatty acids into energy. The introduction of L-carnitine ensures rapid transport and oxidation of fatty acids as well as efficient usage of dietary fatty acids and protein. Supplementary L-carnitine is used more often in weight loss diets, since its benefits mainly involve fatty acid metabolism to control weight loss. However, since weight control is, in essence, a prevention stage in overall weight management, it still has value in weight control diets in preserving and building lean body mass and inhibiting the storage of excess dietary fat. The majority of studies focusing on supplementary L-carnitine use look at its benefits for weight loss, including its effect on metabolic rate and fatty acid oxidation.<sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> At the same time, these studies still show similar results that prove their<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (December 2017)">clarification needed</span></a></i>]</sup> effects of controlling fatty acid metabolism for weight control, to avoid the need for weight loss diets. </p> <div class="mw-heading mw-heading3"><h3 id="Grain-free">Grain-free</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=16" title="Edit section: Grain-free"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Grain free cat food substitutes the typical carbohydrate sources like wheat, corn or rice with alternative sources such as white potato, peas, sweet potato or tapioca. </p><p>A study published in the Journal of Feline Medicine and Surgery in 2018 compared the carbohydrate content between grain-free diets and diets containing grains. According to this study the proportion of cat food purchased that is grain free has increased from 4% to 9% between 2012 and 2014.<sup id="cite_ref-:7_58-0" class="reference"><a href="#cite_note-:7-58"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup> The researchers at Tufts University analyzed the nutritional information and contents of 77 different dry cat food diets. 42 of these diets contained grain, while 35 were labeled as grain free. The major ingredients and amounts were determined for each diet and then analyses were conducted comparing the two groups. It was found that the grain free diets had a lower mean carbohydrate content than the diets containing grain; however, there was a very wide range and lots of overlap between the two groups in both their carbohydrate contents. Some grain free diets even had a higher amount of carbohydrates than the diets containing grain. Calorie amounts were similar for both diets.<sup id="cite_ref-:7_58-1" class="reference"><a href="#cite_note-:7-58"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup> </p><p>A recent study published by the FDA has potentially linked pea- or legume-containing grain free diets to <a href="/wiki/Dilated_cardiomyopathy" title="Dilated cardiomyopathy">dilated cardiomyopathy</a> in both dogs and cats. While the majority of cases reported were for canines, 14 cases were reported between 2014 and 2019 for cats.<sup id="cite_ref-59" class="reference"><a href="#cite_note-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Vegetarian_and_vegan">Vegetarian and vegan</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=17" title="Edit section: Vegetarian and vegan"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Vegetarian or vegan cat food has been available for many years, and is targeted primarily at vegan and vegetarian pet owners. While a small percentage of owners choose such a diet based on its perceived health benefits, the majority do so due to ethical concerns, such as about the large <a href="/wiki/Environmental_impacts_of_animal_agriculture" title="Environmental impacts of animal agriculture">environmental impacts of animal agriculture</a>.<sup id="cite_ref-wakefield_60-0" class="reference"><a href="#cite_note-wakefield-60"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-10.3390/vetsci10010052_61-0" class="reference"><a href="#cite_note-10.3390/vetsci10010052-61"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup> There is significant controversy over feeding cats a vegetarian or vegan diet.<sup id="cite_ref-10.3390/vetsci10010052_61-1" class="reference"><a href="#cite_note-10.3390/vetsci10010052-61"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup> </p><p>As obligate carnivores, cats require nutrients (including arginine, taurine, arachidonic acid, vitamin A, vitamin B12 and niacin) found in meat sources. Plant sources typically do not contain enough of these.<sup id="cite_ref-vegdef_62-0" class="reference"><a href="#cite_note-vegdef-62"><span class="cite-bracket">[</span>62<span class="cite-bracket">]</span></a></sup> Deficiencies in taurine specifically can cause <a href="/wiki/Dilated_cardiomyopathy" title="Dilated cardiomyopathy">dilated cardiomyopathy</a>, which can be fatal.<sup id="cite_ref-63" class="reference"><a href="#cite_note-63"><span class="cite-bracket">[</span>63<span class="cite-bracket">]</span></a></sup> </p><p>Cats on a vegan diet can develop abnormally <a href="/wiki/Alkaline" class="mw-redirect" title="Alkaline">alkaline</a> (high <a href="/wiki/PH" title="PH">pH</a>) urine as most commonly used plant-based proteins are more alkaline than the meat-based foods which cats have evolved to eat. When the urine becomes too alkaline (pH >7), there is an increased risk of formation of <a href="/wiki/Struvite" title="Struvite">struvite</a> (also known as magnesium ammonium phosphate) bladder crystals and/or stones. Calcium oxalate stones can also occur if the urine is too acidic and not corrected in time with acidifying supplementation. Such stones can create irritation and infection of the urinary tract and require veterinary treatment. This can prevented by monitoring urinary acidity and correcting supplementation if necessary.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (May 2024)">citation needed</span></a></i>]</sup> </p><p>Organizations that advocate vegan or vegetarian diets for people have split opinions regarding vegetarian or vegan cat food. The <a href="/wiki/International_Vegetarian_Union" title="International Vegetarian Union">International Vegetarian Union</a>,<sup id="cite_ref-64" class="reference"><a href="#cite_note-64"><span class="cite-bracket">[</span>64<span class="cite-bracket">]</span></a></sup> the <a href="/wiki/Vegan_Society" class="mw-redirect" title="Vegan Society">Vegan Society</a><sup id="cite_ref-65" class="reference"><a href="#cite_note-65"><span class="cite-bracket">[</span>65<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/People_for_the_Ethical_Treatment_of_Animals" title="People for the Ethical Treatment of Animals">PETA</a><sup id="cite_ref-66" class="reference"><a href="#cite_note-66"><span class="cite-bracket">[</span>66<span class="cite-bracket">]</span></a></sup> are some of the organizations that support a vegan or vegetarian diet for cats.<sup class="noprint Inline-Template noprint Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Template:Refexample#Self-sourcing" class="mw-redirect" title="Template:Refexample"><span title="15+yr old non-secondary sources of org opinions (May 2024)">better source needed</span></a></i>]</sup> But the <a href="/wiki/Vegetarian_Society" title="Vegetarian Society">Vegetarian Society</a> suggests people "consider carefully" and that many cats will not adjust to a vegetarian diet. The <a href="/wiki/Animal_Protection_Institute" title="Animal Protection Institute">Animal Protection Institute</a> also does not recommend a vegetarian diet for cats, and cautions that dietary deficiencies may take months or years to develop and may be untreatable. They do not recommend relying on supplements, because they may not contain necessary co-factors and enzymes and have not been studied for long term implications.<sup id="cite_ref-67" class="reference"><a href="#cite_note-67"><span class="cite-bracket">[</span>67<span class="cite-bracket">]</span></a></sup> Due to the risk of health complications, <a href="/wiki/American_Society_for_the_Prevention_of_Cruelty_to_Animals" title="American Society for the Prevention of Cruelty to Animals">American Society for the Prevention of Cruelty to Animals</a> recommends against vegetarian and vegan diets for cats.<sup id="cite_ref-ASPCA_68-0" class="reference"><a href="#cite_note-ASPCA-68"><span class="cite-bracket">[</span>68<span class="cite-bracket">]</span></a></sup> Similarly, the <a href="/wiki/British_Veterinary_Association" title="British Veterinary Association">British Veterinary Association</a> has stated that cats should not be fed a vegetarian or vegan diet.<sup id="cite_ref-69" class="reference"><a href="#cite_note-69"><span class="cite-bracket">[</span>69<span class="cite-bracket">]</span></a></sup> A 2023 <a href="/wiki/Scientific_review" class="mw-redirect" title="Scientific review">review</a> recommended a cautious approach to due to the limited amount of research on the health impacts of vegan diets in cats and dogs, suggesting that commercial foods are used if guardians wish to implement a vegan diet.<sup id="cite_ref-10.3390/vetsci10010052_61-2" class="reference"><a href="#cite_note-10.3390/vetsci10010052-61"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Homemade">Homemade</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=18" title="Edit section: Homemade"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Many pet owners feed cats homemade diets. These diets generally consist of some form of cooked or <a href="/wiki/Raw_feeding" title="Raw feeding">raw</a> meat, bone, vegetables, and supplements, such as <a href="/wiki/Taurine" title="Taurine">taurine</a> and <a href="/wiki/Multivitamin" title="Multivitamin">multivitamins</a>.<sup id="cite_ref-:82_70-0" class="reference"><a href="#cite_note-:82-70"><span class="cite-bracket">[</span>70<span class="cite-bracket">]</span></a></sup> Homemade diets either follow a recipe, such as the BARF (bone and raw food) diet which provides a series of options for the pet owner to make, or rely on the constant rotation of ingredients to meet nutrient requirements.<sup id="cite_ref-:82_70-1" class="reference"><a href="#cite_note-:82-70"><span class="cite-bracket">[</span>70<span class="cite-bracket">]</span></a></sup> A study was conducted that analyzed 95 homemade BARF diets and found that 60% of these were nutritionally imbalanced in either one or a combination of calcium, phosphorus, vitamin D, iodine, zinc, copper, or vitamin A content.<sup id="cite_ref-71" class="reference"><a href="#cite_note-71"><span class="cite-bracket">[</span>71<span class="cite-bracket">]</span></a></sup> </p><p>Another 2019 study on a range of homemade diet recipes found online and in books has also found nutritional inadequacies. The authors mention that vegetarianism and support for organics food are common reasons for trying such a diet, but does not specifically address the adequacy of vegetarian or organic diets.<sup id="cite_ref-72" class="reference"><a href="#cite_note-72"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Nutrients_and_supplements"><span class="anchor" id="Vitamins_and_minerals"></span>Nutrients and supplements</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=19" title="Edit section: Nutrients and supplements"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Vitamin" title="Vitamin">Vitamin</a> deficiencies can lead to wide-ranging clinical abnormalities that reflect the diversity of their metabolic roles. Twelve minerals are known to be essential nutrients for cats. Calcium and phosphorus are crucial to strong bones and teeth. Cats need other minerals, such as magnesium, potassium, and sodium, for nerve impulse transmission, muscle contraction, and cell signaling. Many minerals only present in minute amounts in the body, including selenium, copper, and molybdenum, act as helpers in a wide variety of enzymatic reactions.<sup id="cite_ref-CFNPFD_73-0" class="reference"><a href="#cite_note-CFNPFD-73"><span class="cite-bracket">[</span>73<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="#CFNP">table below</a> lists the AAFCO nutritional profiles for cat foods along with the roles of vitamins and minerals in cat nutrition according to the National Research Council. </p><p>Many nutrients can cause a variety of deficiency symptoms in cats, and the skin is a vital organ that is susceptible to dietary changes in minerals, protein, fatty acids, and vitamins A and B.<sup id="cite_ref-:143_74-0" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:93_75-0" class="reference"><a href="#cite_note-:93-75"><span class="cite-bracket">[</span>75<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:104_76-0" class="reference"><a href="#cite_note-:104-76"><span class="cite-bracket">[</span>76<span class="cite-bracket">]</span></a></sup> Cats show dietary inadequacies in their skin through excess or inadequate oil production, and skin toughening. This results in dandruff, redness, hair loss, greasy skin, and reduced hair growth.<sup id="cite_ref-:112_77-0" class="reference"><a href="#cite_note-:112-77"><span class="cite-bracket">[</span>77<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:07_78-0" class="reference"><a href="#cite_note-:07-78"><span class="cite-bracket">[</span>78<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Arginine">Arginine</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=20" title="Edit section: Arginine"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Urea_cycle" title="Urea cycle">urea cycle</a></div> <p>Cats are unusually dependent on a constant supply of the amino acid <a href="/wiki/Arginine" title="Arginine">arginine</a>, and a diet lacking arginine causes marked weight loss and can be rapidly fatal. Arginine is an essential additive in cat food because cats have low levels of the enzymes which are responsible for the synthesis of <a href="/wiki/Ornithine" title="Ornithine">ornithine</a> and <a href="/wiki/Citrulline" title="Citrulline">citrulline</a> in the small intestine (specifically, for <a href="/wiki/Pyrroline-5-carboxylate" class="mw-redirect" title="Pyrroline-5-carboxylate">pyrroline-5-carboxylate</a> production).<sup id="cite_ref-79" class="reference"><a href="#cite_note-79"><span class="cite-bracket">[</span>79<span class="cite-bracket">]</span></a></sup> Citrulline would typically go on to the kidneys to make arginine, but because cats have a deficiency in the enzymes that make it, citrulline is not produced in adequate quantities to make arginine. Arginine is essential in the urea cycle in order to convert the toxic component ammonia into urea that can then be excreted in the urine. Because of its essential role, deficiency in arginine results in a buildup of toxic ammonia and leads to <a href="/wiki/Hyperammonemia" title="Hyperammonemia">hyperammonemia</a>. The symptoms of hyperammonemia include lethargy, vomiting, ataxia, and hyperesthesia, and can be serious enough to induce death and coma in a matter of days if a cat is being fed an arginine-free diet. These symptoms appear quickly because diets devoid in arginine will typically still contain all of the other amino acids, which will continue to be catabolized by the body, producing mass amounts of ammonia that very quickly build up with no way of being excreted. </p> <div class="mw-heading mw-heading3"><h3 id="Zinc">Zinc</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=21" title="Edit section: Zinc"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Zinc's connection to skin and coat health is due to its influence on regulating cellular metabolism.<sup id="cite_ref-:143_74-1" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> Zinc also supports proper immune function and suitable activity within the inflammatory response.<sup id="cite_ref-:143_74-2" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> Deficiencies result in disorders of the skin and poor immune functioning.<sup id="cite_ref-:19_80-0" class="reference"><a href="#cite_note-:19-80"><span class="cite-bracket">[</span>80<span class="cite-bracket">]</span></a></sup> When zinc is supplemented in diets, skin scaliness decreases.<sup id="cite_ref-:19_80-1" class="reference"><a href="#cite_note-:19-80"><span class="cite-bracket">[</span>80<span class="cite-bracket">]</span></a></sup> Dietary sources include poultry, red meat, and eggs. </p> <div class="mw-heading mw-heading3"><h3 id="Copper">Copper</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=22" title="Edit section: Copper"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>One of the many functions of copper is to assist in production of connective tissue and the pigment melanin.<sup id="cite_ref-:23_81-0" class="reference"><a href="#cite_note-:23-81"><span class="cite-bracket">[</span>81<span class="cite-bracket">]</span></a></sup> A deficiency in dietary copper is also related to collagen abnormalities, hypopigmentation of the skin, and alopecia.<sup id="cite_ref-:35_82-0" class="reference"><a href="#cite_note-:35-82"><span class="cite-bracket">[</span>82<span class="cite-bracket">]</span></a></sup> Sources for cats include liver and supplements in the forms of copper sulphate and cupric oxide.<sup id="cite_ref-:44_83-0" class="reference"><a href="#cite_note-:44-83"><span class="cite-bracket">[</span>83<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Selenium">Selenium</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=23" title="Edit section: Selenium"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Selenium works with vitamin E as antioxidants to remove the free radicals that are damaging to the body and the skin.<sup id="cite_ref-84" class="reference"><a href="#cite_note-84"><span class="cite-bracket">[</span>84<span class="cite-bracket">]</span></a></sup> Selenium also plays a role with other antioxidants to help maintain cell membranes which provides further protection from free radicals causing oxidative stress.<sup id="cite_ref-:35_82-1" class="reference"><a href="#cite_note-:35-82"><span class="cite-bracket">[</span>82<span class="cite-bracket">]</span></a></sup> Oxidative stress plays a role in development of skin diseases.<sup id="cite_ref-:55_85-0" class="reference"><a href="#cite_note-:55-85"><span class="cite-bracket">[</span>85<span class="cite-bracket">]</span></a></sup> Dietary sources of selenium are naturally occurring in selenomethionine and tuna.<sup id="cite_ref-:23_81-1" class="reference"><a href="#cite_note-:23-81"><span class="cite-bracket">[</span>81<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:44_83-1" class="reference"><a href="#cite_note-:44-83"><span class="cite-bracket">[</span>83<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Essential_fatty_acids">Essential fatty acids</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=24" title="Edit section: Essential fatty acids"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A fatty acid molecule consists of a (COOH) group attached to an <a href="/wiki/Aliphatic" class="mw-redirect" title="Aliphatic">aliphatic</a> chain. There are many types of fatty acid with different such chains. These different types have somewhat different properties. Saturated fatty acids have no carbon=carbon double bonds, while polyunsaturated fatty acids have more than one such bond in each molecule. The main form of fatty acids in diet is <a href="/wiki/Fat" title="Fat">fats</a> or <a href="/wiki/Triglyceride" title="Triglyceride">triglycerides</a>, which consist of three fatty acid groups attached to a <a href="/wiki/Glycerin" class="mw-redirect" title="Glycerin">glycerin</a> molecule.<sup id="cite_ref-book23_86-0" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> </p><p>Fatty acids can become attached to different molecules such as carbohydrates or proteins, and can implement a wide range of functions in the body.<sup id="cite_ref-book23_86-1" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> These functions include long-term energy storage, insulation (prevents heat loss, protects vital organs, helps transmit nerve impulses faster), structure, transportation around the body for nutrients and other biological molecules. They can also be precursors to other compounds in the body, such as hormones (some of which are important for gut/immune/overall health).<sup id="cite_ref-book23_86-2" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> The length, degree of saturation and configuration of a fatty acid affects how it is broken down, absorbed and used in the gastrointestinal tract.<sup id="cite_ref-book23_86-3" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> Essential fatty acids (EFA) are nutrients that cats are unable to produce in sufficient amounts to meet their needs, or at all.<sup id="cite_ref-:1432_87-0" class="reference"><a href="#cite_note-:1432-87"><span class="cite-bracket">[</span>87<span class="cite-bracket">]</span></a></sup> All EFAs are polyunsaturated.<sup id="cite_ref-book23_86-4" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> EFAs also vary in size, have many different functions and can also be further divided into other categories, two of which are very important for gastrointestinal health: the <a href="/wiki/Omega-6_fatty_acid" title="Omega-6 fatty acid">omega-6</a> and <a href="/wiki/Omega-3_fatty_acid" title="Omega-3 fatty acid">omega-3 fatty acids</a>.<sup id="cite_ref-book23_86-5" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> (The omega number denotes the position of the first double bond in a fatty acid, counting from the methyl end.) These fatty acids are most effective when present in adequate and appropriate balanced ratios dependent upon stage of life and production<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (November 2020)">clarification needed</span></a></i>]</sup> of the animal.<sup id="cite_ref-book23_86-6" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> Omega-6 fatty acids at high levels can suppress the functions of the immune system (a large part of which is located in the <a href="/wiki/Gastrointestinal_tract" title="Gastrointestinal tract">gastrointestinal tract</a>) and promote inflammation, platelet aggregation and hypersensitive reactions like allergies.<sup id="cite_ref-book23_86-7" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> Omega-3 fatty acids act in the opposite direction to omega-6 fatty acids, by reducing inflammation and depressing aggregation and immunosuppression.<sup id="cite_ref-book23_86-8" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> The diet provided will determine the ratio of omega-6 to omega-3 fatty acids consumed; the optimal ratio of omega-6 to omega-3 fatty acids is considered to be within the range of 5:1 to 10:1.<sup id="cite_ref-book23_86-9" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> The right ratio helps reduce inflammation and mediate immune responses, as both types of fatty acid use the same enzymes in their metabolic journey.<sup id="cite_ref-book23_86-10" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable"> <caption>Sources of fatty acids<sup id="cite_ref-book23_86-11" class="reference"><a href="#cite_note-book23-86"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th>Type</th> <th>Sources </th></tr> <tr> <td>Omega-6</td> <td>Corn oil, sunflower oil, soybean oil </td></tr> <tr> <td>Omega-3</td> <td>Cold-water fish oil, flaxseed, canola oil, soybean oil </td></tr></tbody></table> <p>There are three essential fatty acids that should be included in a cat's diet: <a href="/wiki/Alpha-Linolenic_acid" class="mw-redirect" title="Alpha-Linolenic acid">alpha-linolenic acid</a>, <a href="/wiki/Linoleic_acid" title="Linoleic acid">linoleic acid</a>, and <a href="/wiki/Arachidonic_acid" title="Arachidonic acid">arachidonic acid</a>.<sup id="cite_ref-:143_74-3" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:64_88-0" class="reference"><a href="#cite_note-:64-88"><span class="cite-bracket">[</span>88<span class="cite-bracket">]</span></a></sup> Alpha-linolenic acid is an omega-3 fatty acid that aids in the maintenance of the skin's water barrier.<sup id="cite_ref-:143_74-4" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:64_88-1" class="reference"><a href="#cite_note-:64-88"><span class="cite-bracket">[</span>88<span class="cite-bracket">]</span></a></sup> Ingredients that are high in alpha-linolenic acid, such as flaxseed, should be included in the cat's diet.<sup id="cite_ref-:64_88-2" class="reference"><a href="#cite_note-:64-88"><span class="cite-bracket">[</span>88<span class="cite-bracket">]</span></a></sup> Another source of omega-3s is fish oil. <a href="/wiki/Eicosapentaenoic_acid" title="Eicosapentaenoic acid">Eicosapentaenoic acid</a> (EPA) and <a href="/wiki/Docosahexaenoic_acid" title="Docosahexaenoic acid">Docosahexaenoic acid</a> (DHA) are omega-3 fatty acids which have anti-inflammatory properties.<sup id="cite_ref-:64_88-3" class="reference"><a href="#cite_note-:64-88"><span class="cite-bracket">[</span>88<span class="cite-bracket">]</span></a></sup> Linoleic acid is an example of an omega-6 fatty acid that helps with the health of the cat's skin by maintaining the integrity of their <a href="/wiki/Epithelial_tissue" class="mw-redirect" title="Epithelial tissue">epithelial tissues</a>.<sup id="cite_ref-:143_74-5" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> Linoleic acid is commonly found in plant-based oils like sunflower oil.<sup id="cite_ref-:07_78-1" class="reference"><a href="#cite_note-:07-78"><span class="cite-bracket">[</span>78<span class="cite-bracket">]</span></a></sup> Arachidonic acid is also essential to cats because they are unable to create it from linoleic acid due to an absence of the <a href="/wiki/Delta-6-desaturase" class="mw-redirect" title="Delta-6-desaturase">Delta 6 desaturase</a> enzyme.<sup id="cite_ref-:143_74-6" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> It can be found in substances such as animal fat.<sup id="cite_ref-:143_74-7" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Vitamin_A">Vitamin A</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=25" title="Edit section: Vitamin A"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Vitamin_A" title="Vitamin A">Vitamin A</a> is a crucial nutritional component in the maintenance of feline skin and coat health.<sup id="cite_ref-:743_89-0" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> In addition to its many other functions, vitamin A plays an important role in the keratinization of the skin, hair and nails along with assisting in the development of various epithelial tissues throughout the body.<sup id="cite_ref-:743_89-1" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> The cells making up the epithelial tissues of the skin, respiratory and gastrointestinal tracts rely on vitamin A to successfully complete the process of mitosis in order preserve these tissues and repair any damages.<sup id="cite_ref-:743_89-2" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> The mucus-secreting cells of the respiratory and gastrointestinal epithelium also specifically require vitamin A to successfully produce a specialized protein referred to as mucoproteins which aid in maintaining the health of these tissues.<sup id="cite_ref-:743_89-3" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> Unlike most other mammals, the cat is unique in that they are unable to transform B-carotene to vitamin A and therefore explicitly require active forms of vitamin A which are only found in animal products.<sup id="cite_ref-:743_89-4" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> This difference in metabolism is due to very low levels of activity of the enzyme B-carotene 15, 15' dioxygenase in feline species.<sup id="cite_ref-:743_89-5" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> The nutrient profiles developed by AAFCO currently advise a minimum of 3332 IU/kg of vitamin A on a dry matter basis included in adult diets and 6668 IU/kg in the diets of raising kittens as well as pregnant or lactating female cats.<sup id="cite_ref-:832_90-0" class="reference"><a href="#cite_note-:832-90"><span class="cite-bracket">[</span>90<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources#What_information_to_include" title="Wikipedia:Citing sources"><span title="A complete citation is needed. (October 2023)">full citation needed</span></a></i>]</sup> Common ingredients which help to incorporate the proper levels of vitamin A into feline diets include various types of liver as well as fish oils.<sup id="cite_ref-:743_89-6" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="B_vitamins">B vitamins</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=26" title="Edit section: B vitamins"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading4"><h4 id="Niacin_(B3)"><span id="Niacin_.28B3.29"></span>Niacin (B3)</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=27" title="Edit section: Niacin (B3)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Niacin_(nutrient)" class="mw-redirect" title="Niacin (nutrient)">Niacin</a> is an essential vitamin for the cat; dietary deficiency can lead to anorexia, weight loss and an increase in body temperature. Biosynthesis of niacin occurs by metabolism of tryptophan via the kynurenine pathway to quinolinic acid, the niacin precursor. However, cats have a high activity of picolinic acid carboxylase, which converts one of the intermediates to picolinic acid instead of quinolinic acid. As a result, niacin can become deficient and require supplementation. </p> <div class="mw-heading mw-heading4"><h4 id="Biotin_(B7)"><span id="Biotin_.28B7.29"></span>Biotin (B7)</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=28" title="Edit section: Biotin (B7)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Biotin" title="Biotin">Biotin</a> can be provided in feline diets by adding cooked eggs, liver, milk, legumes or nuts.<sup id="cite_ref-:743_89-7" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> Microorganisms living in the gastrointestinal tracts of cats are also able to synthesize and supply an alternative source of biotin if proper nutritional requirements are met.<sup id="cite_ref-:743_89-8" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> Its main function in metabolism is as a coenzyme for essential carboxylation reactions throughout the body; however it has also been shown to aid in the management of certain skin diseases in cats.<sup id="cite_ref-:1432_87-1" class="reference"><a href="#cite_note-:1432-87"><span class="cite-bracket">[</span>87<span class="cite-bracket">]</span></a></sup> Biotin is recommended by AAFCO to be included in feline diets at a minimum level of 0.07 mg/kg on a dry matter basis throughout all stages of development. It is required only when the cat is taking antimicrobials that kill gut bacteria.<sup id="cite_ref-:832_90-1" class="reference"><a href="#cite_note-:832-90"><span class="cite-bracket">[</span>90<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Vitamin_C">Vitamin C</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=29" title="Edit section: Vitamin C"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Vitamin_C" title="Vitamin C">Vitamin C</a></div> <p>Vitamin C (ascorbic acid) is a water-soluble antioxidant and a free radical scavenger where it will donate an <a href="/wiki/Electron" title="Electron">electron</a> to compounds with unpaired elections or reactive but not radical compounds.<sup id="cite_ref-[6]_91-0" class="reference"><a href="#cite_note-[6]-91"><span class="cite-bracket">[</span>91<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-[12]_92-0" class="reference"><a href="#cite_note-[12]-92"><span class="cite-bracket">[</span>92<span class="cite-bracket">]</span></a></sup> Supplements of Vitamin C reduce oxidative DNA damage in cats prone to kidney injury, and can be beneficial to add into diets for cats with <a href="/wiki/Renal_diseases" class="mw-redirect" title="Renal diseases">renal diseases</a>.<sup id="cite_ref-[13]_93-0" class="reference"><a href="#cite_note-[13]-93"><span class="cite-bracket">[</span>93<span class="cite-bracket">]</span></a></sup> Vitamin C is not essential for cats and it is not required by the Association of American Feed Control Officials (AAFCO); however, it is commonly added into pet foods as an antioxidant.<sup id="cite_ref-[13]_93-1" class="reference"><a href="#cite_note-[13]-93"><span class="cite-bracket">[</span>93<span class="cite-bracket">]</span></a></sup> Ascorbic acid is known to function in <a href="/wiki/Gene_expression" title="Gene expression">gene expression</a> as a co-substrate, and have unique biosynthetic pathways in different organisms.<sup id="cite_ref-[14]_94-0" class="reference"><a href="#cite_note-[14]-94"><span class="cite-bracket">[</span>94<span class="cite-bracket">]</span></a></sup> </p><p>Unlike humans, felines are able to synthesize Vitamin C in the liver, via the <a href="/wiki/Glucuronate" class="mw-redirect" title="Glucuronate">glucuronate</a> pathway. The simple sugars glucose and galactose are used as input.<sup id="cite_ref-:743_89-9" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> This pathway naturally maintains ascorbic acid (active Vitamin C) at an adequate level; therefore it does not need to be separately included in their diet.<sup id="cite_ref-:743_89-10" class="reference"><a href="#cite_note-:743-89"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Vitamin_D">Vitamin D</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=30" title="Edit section: Vitamin D"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Vitamin_D" title="Vitamin D">Vitamin D</a></div> <p>Vitamin D is a dietary requirement for cats as they lack the ability to efficiently synthesize vitamin D3 using sunlight. This fat-soluble vitamin is required in cats for bone formation through the promotion of calcium retention, along with nerve and muscle control through absorption of calcium and phosphorus. Wild cats probably gather vitamin D from prey liver.<sup id="cite_ref-Zafalon_95-0" class="reference"><a href="#cite_note-Zafalon-95"><span class="cite-bracket">[</span>95<span class="cite-bracket">]</span></a></sup> </p><p>Unlike dogs and humans, cats metabolize vitamin D2 and vitamin D3 slightly differently. A dose of Vitamin D2 is approximately 70% as effective as the same amount of vitamin D3.<sup id="cite_ref-96" class="reference"><a href="#cite_note-96"><span class="cite-bracket">[</span>96<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Vitamin_E">Vitamin E</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=31" title="Edit section: Vitamin E"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Vitamin_E" title="Vitamin E">Vitamin E</a></div> <p><a href="/wiki/Vitamin_E" title="Vitamin E">Vitamin E</a> as an antioxidant in gastrointestinal health cat food diets can have a positive effect of improving the animal's immune function and prevent against infections.<sup id="cite_ref-[10]_97-0" class="reference"><a href="#cite_note-[10]-97"><span class="cite-bracket">[</span>97<span class="cite-bracket">]</span></a></sup> Vitamin E is a free radical scavenger that functions as a chain-breaking antioxidant to prevent free radical damage of cell membranes.<sup id="cite_ref-[6]_91-1" class="reference"><a href="#cite_note-[6]-91"><span class="cite-bracket">[</span>91<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-[11]_98-0" class="reference"><a href="#cite_note-[11]-98"><span class="cite-bracket">[</span>98<span class="cite-bracket">]</span></a></sup> Vitamin E aids in protecting cells from highly reactive oxygen species within the lungs, muscles, skin, brain, tissues and red blood cells.<sup id="cite_ref-[7]_99-0" class="reference"><a href="#cite_note-[7]-99"><span class="cite-bracket">[</span>99<span class="cite-bracket">]</span></a></sup> Supplementation of vitamin E in the diet benefits the immune system and improves resistance to infections and diseases.<sup id="cite_ref-[7]_99-1" class="reference"><a href="#cite_note-[7]-99"><span class="cite-bracket">[</span>99<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/National_Research_Council_(United_States)" class="mw-redirect" title="National Research Council (United States)">National Research Council</a> (NRC) suggested a ratio of vitamin E to polyunsaturated fatty acids be 0.6:1 to ensure enough vitamin E to combat any free radicals.<sup id="cite_ref-[9]_100-0" class="reference"><a href="#cite_note-[9]-100"><span class="cite-bracket">[</span>100<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Polyunsaturated_fatty_acids" class="mw-redirect" title="Polyunsaturated fatty acids">Polyunsaturated fatty acids</a> (PUFA) are prone to oxidative destruction in cellular membranes and increase the requirement for antioxidants.<sup id="cite_ref-[7]_99-2" class="reference"><a href="#cite_note-[7]-99"><span class="cite-bracket">[</span>99<span class="cite-bracket">]</span></a></sup> </p><p>Vitamin E is an essential nutrient which needs to be included in the feline diet in order to protect the lipid components within cellular membranes of various tissues in the body.<sup id="cite_ref-:143_74-8" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> Vitamin E is able to accomplish this through working with selenium and acting as an antioxidant to prevent free radicals from interacting with these fatty acid membrane components, resulting in reduced levels of <a href="/wiki/Oxidative_stress" title="Oxidative stress">oxidative stress</a>.<sup id="cite_ref-:55_85-1" class="reference"><a href="#cite_note-:55-85"><span class="cite-bracket">[</span>85<span class="cite-bracket">]</span></a></sup> This is particularly important in the skin as various oxidative environmental components can have very damaging effects if not protected by vitamin E.<sup id="cite_ref-:55_85-2" class="reference"><a href="#cite_note-:55-85"><span class="cite-bracket">[</span>85<span class="cite-bracket">]</span></a></sup> The nutrient profiles developed by AAFCO currently advise a minimum dry matter inclusion of 40 IU/kg of vitamin E in the diet of cats throughout all stages of development.<sup id="cite_ref-:832_90-2" class="reference"><a href="#cite_note-:832-90"><span class="cite-bracket">[</span>90<span class="cite-bracket">]</span></a></sup> Lipid metabolism is also a major contributor of free radicals, leading to an increased dietary requirement of vitamin E as the levels of polyunsaturated fatty acids in the diet increase.<sup id="cite_ref-:143_74-9" class="reference"><a href="#cite_note-:143-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> Ingredients such as wheat germ as well as certain plant oils contain high levels of active vitamin E and are commonly added to feline diets which are carefully stored in order to prevent oxidative destruction of vitamin E prior to consumption.<sup id="cite_ref-:55_85-3" class="reference"><a href="#cite_note-:55-85"><span class="cite-bracket">[</span>85<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-chan2_51-2" class="reference"><a href="#cite_note-chan2-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Fiber">Fiber</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=32" title="Edit section: Fiber"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The addition of <a href="/wiki/Dietary_fiber" title="Dietary fiber">fiber</a> at optimal levels in a diet is essential for the normal function and health of the <a href="/wiki/Gastrointestinal_tract" title="Gastrointestinal tract">gastrointestinal tract</a>.<sup id="cite_ref-book_20-4" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Cats are to occasionally consume plant material, mainly leaves, in response to a diet deficient in fiber.<sup id="cite_ref-101" class="reference"><a href="#cite_note-101"><span class="cite-bracket">[</span>101<span class="cite-bracket">]</span></a></sup> </p><p>Dietary fibers are plant <a href="/wiki/Carbohydrates" class="mw-redirect" title="Carbohydrates">carbohydrates</a> which cannot be digested by mammalian <a href="/wiki/Enzymes" class="mw-redirect" title="Enzymes">enzymes</a>.<sup id="cite_ref-book_20-5" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> These structural plant carbohydrates include <a href="/wiki/Pectin" title="Pectin">pectin</a>, <a href="/wiki/Lignin" title="Lignin">lignin</a>, <a href="/wiki/Cellulose" title="Cellulose">cellulose</a>, <a href="/wiki/Hemicellulose" title="Hemicellulose">hemicellulose</a>, muclinage, and gums.<sup id="cite_ref-book_20-6" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Different types of fibers have varying levels of <a href="/wiki/Solubility" title="Solubility">solubility</a> and <a href="/wiki/Fermentation" title="Fermentation">fermentation</a>; this ranges from pectin which is highly fermentable, to <a href="/wiki/Beet_pulp" title="Beet pulp">beet pulp</a> which is moderately fermentable, to cellulose which is non-fermentable.<sup id="cite_ref-book_20-7" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Non-fermentable fibers helps with satiety, maintenance of a normal intestinal transit time and gastrointestinal motility as well as increasing diet bulk.<sup id="cite_ref-book_20-8" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Fermentable fibers, on the other hand, are fermented to <a href="/wiki/Short-chain_fatty_acid" title="Short-chain fatty acid">short-chain fatty acids</a> by bacteria in the colon and have variable effects on <a href="/wiki/Gastric_emptying" class="mw-redirect" title="Gastric emptying">gastric emptying</a>.<sup id="cite_ref-book_20-9" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Moderately soluble fibers have been linked to increased colon weight as well as an increased mucosal surface area for absorption of nutrients.<sup id="cite_ref-book_20-10" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>Fiber, though it is not an essential nutrient, is important for a healthy gastrointestinal tract.<sup id="cite_ref-book_20-11" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> The microbes found in the cat's large intestine have the ability to ferment dietary fibers to short-chain fatty acids.<sup id="cite_ref-book_20-12" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Cells of the gastrointestinal tract are constantly dying and being replaced by new cells, which requires a lot of energy.<sup id="cite_ref-book_20-13" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> The fatty acids produced are used as energy sources for these <a href="/wiki/Epithelial_cells" class="mw-redirect" title="Epithelial cells">epithelial cells</a> which line the gastrointestinal tract.<sup id="cite_ref-book_20-14" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> As a result of the presence of energy from the fatty acids, colonic <a href="/wiki/Cell_proliferation" title="Cell proliferation">cell proliferation</a> is increases.<sup id="cite_ref-book_20-15" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>Short-chain fatty acids production from dietary fibers have many other advantageous effects on the gastrointestinal tract.<sup id="cite_ref-book_20-16" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-vitro_102-0" class="reference"><a href="#cite_note-vitro-102"><span class="cite-bracket">[</span>102<span class="cite-bracket">]</span></a></sup> They increase motility by stimulating rhythmic contractions of the distal portion of the small intestine, which potentially decreases fermentation in the small intestine while increasing it in the large intestine for further fatty acid absorption.<sup id="cite_ref-book_20-17" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Blood flow to the colon also increases with the presence of short-chain fatty acids.<sup id="cite_ref-book_20-18" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> These fatty acids also increase sodium absorption which helps maintain normal <a href="/wiki/Electrolyte" title="Electrolyte">electrolyte</a> and <a href="/wiki/Fluid_balance" title="Fluid balance">fluid balance</a> in the intestine, reducing the risk for diarrhea .<sup id="cite_ref-book_20-19" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> These <a href="/wiki/Homeostatic" class="mw-redirect" title="Homeostatic">homeostatic</a> conditions of the intestinal tract promote the growth of beneficial bacteria while inhibiting the proliferation of pathogenic ones.<sup id="cite_ref-book_20-20" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> A healthy and balanced gut <a href="/wiki/Microbiome" title="Microbiome">microbiome</a> is important for maintaining a healthy digestive tract.<sup id="cite_ref-book_20-21" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>Fibers promote bacterial growth and activity in the large intestine.<sup id="cite_ref-book_20-22" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> It is essential for a healthy gastrointestinal tract to have a healthy and stable <a href="/wiki/Gut_microbiota" title="Gut microbiota">gut microbiota</a>.<sup id="cite_ref-meta_103-0" class="reference"><a href="#cite_note-meta-103"><span class="cite-bracket">[</span>103<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/Microorganisms" class="mw-redirect" title="Microorganisms">microorganisms</a> present in the colon are responsible for the fermentation of the fiber into short-chain fatty acids and for the production of some <a href="/wiki/Vitamins" class="mw-redirect" title="Vitamins">vitamins</a>.<sup id="cite_ref-book_20-23" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-disease_104-0" class="reference"><a href="#cite_note-disease-104"><span class="cite-bracket">[</span>104<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Prebiotics">Prebiotics</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=33" title="Edit section: Prebiotics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Prebiotics" class="mw-redirect" title="Prebiotics">Prebiotics</a> are short-chain carbohydrates classified as fibers with an added aspect as they selectively promote the growth of beneficial bacteria.<sup id="cite_ref-book_20-24" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-FOS_105-0" class="reference"><a href="#cite_note-FOS-105"><span class="cite-bracket">[</span>105<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-disease_104-1" class="reference"><a href="#cite_note-disease-104"><span class="cite-bracket">[</span>104<span class="cite-bracket">]</span></a></sup> By promoting the health and proliferation of beneficial bacteria, they suppress the growth of pathogenic ones by outcompeting them.<sup id="cite_ref-disease_104-2" class="reference"><a href="#cite_note-disease-104"><span class="cite-bracket">[</span>104<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Inulin" title="Inulin">inulin</a>, <a href="/wiki/Galactooligosaccharides" class="mw-redirect" title="Galactooligosaccharides">galactooligosaccharides</a>, <a href="/wiki/Lactulose" title="Lactulose">lactulose</a>, <a href="/wiki/Fructooligosaccharides" class="mw-redirect" title="Fructooligosaccharides">fructooligosaccharides</a> (FOS) and mannanoligosaccharides (MOS) are all examples of prebiotics.<sup id="cite_ref-book_20-25" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Probiotics">Probiotics</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=34" title="Edit section: Probiotics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Probiotic" title="Probiotic">Probiotics</a> (live microbes) are becoming increasingly popular in the diets of felines.<sup id="cite_ref-[16]_106-0" class="reference"><a href="#cite_note-[16]-106"><span class="cite-bracket">[</span>106<span class="cite-bracket">]</span></a></sup> They are included in the diet to increase the number of bacteria and microbes that are normally present in a healthy gut.<sup id="cite_ref-[16]_106-1" class="reference"><a href="#cite_note-[16]-106"><span class="cite-bracket">[</span>106<span class="cite-bracket">]</span></a></sup> Probiotics are considered a supplement rather than part of nutrition.<sup id="cite_ref-[16]_106-2" class="reference"><a href="#cite_note-[16]-106"><span class="cite-bracket">[</span>106<span class="cite-bracket">]</span></a></sup> Therefore, there are no strict regulations to the amount of probiotics that should be included in foods.<sup id="cite_ref-[16]_106-3" class="reference"><a href="#cite_note-[16]-106"><span class="cite-bracket">[</span>106<span class="cite-bracket">]</span></a></sup> </p><p>The function of probiotics goes beyond basic nutrition and has many benefits to the health of the organism.<sup id="cite_ref-[16]_106-4" class="reference"><a href="#cite_note-[16]-106"><span class="cite-bracket">[</span>106<span class="cite-bracket">]</span></a></sup> The use of probiotics can help in the prevention and treatment of certain diseases or disorders of felines.<sup id="cite_ref-[17]_107-0" class="reference"><a href="#cite_note-[17]-107"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup> Examples include prevention of allergies, diarrhea, symptoms relating to stress, etc.<sup id="cite_ref-[17]_107-1" class="reference"><a href="#cite_note-[17]-107"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup> The health of the cats is very much dependent on the fermentation that occurs through gut biota.<sup id="cite_ref-[17]_107-2" class="reference"><a href="#cite_note-[17]-107"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup> The gut biota has an important role in the metabolism, absorption, and protective functions of the gastro intestinal tract.<sup id="cite_ref-[17]_107-3" class="reference"><a href="#cite_note-[17]-107"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup> Felines have different gut bacteria than canines.<sup id="cite_ref-[17]_107-4" class="reference"><a href="#cite_note-[17]-107"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup> However, the most common biota that are found in both felines and canines are <a href="/wiki/Bacillota" title="Bacillota">Bacillota</a>, <a href="/wiki/Bacteroidota" title="Bacteroidota">Bacteroidota</a>, <a href="/wiki/Pseudomonadota" title="Pseudomonadota">Pseudomonadota</a>, and <a href="/wiki/Fusobacteriota" title="Fusobacteriota">Fusobacteriota</a>.<sup id="cite_ref-[17]_107-5" class="reference"><a href="#cite_note-[17]-107"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup> Although these are the most common types of gut biota found in felines, there are variances between independent cats.<sup id="cite_ref-[17]_107-6" class="reference"><a href="#cite_note-[17]-107"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup> Each cat has their own unique and independent number and type of gut microbes.<sup id="cite_ref-[17]_107-7" class="reference"><a href="#cite_note-[17]-107"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Antioxidants">Antioxidants</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=35" title="Edit section: Antioxidants"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Antioxidant" title="Antioxidant">Antioxidant</a></div> <p><a href="/wiki/Nutraceuticals" class="mw-redirect" title="Nutraceuticals">Nutraceuticals</a> such as <a href="/wiki/Antioxidants" class="mw-redirect" title="Antioxidants">antioxidants</a> are considered to be additives of gastrointestinal diets to prevent digestive upset.<sup id="cite_ref-book_20-26" class="reference"><a href="#cite_note-book-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Antioxidants have the ability to remove free radicals from the body which can cause damage to cell membranes, and are involved in chronic degenerative diseases.<sup id="cite_ref-[7]_99-3" class="reference"><a href="#cite_note-[7]-99"><span class="cite-bracket">[</span>99<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Free_radicals" class="mw-redirect" title="Free radicals">Free radicals</a> amplify inflammation by causing release of pro-inflammatory <a href="/wiki/Cytokines" class="mw-redirect" title="Cytokines">cytokines</a>.<sup id="cite_ref-[6]_91-2" class="reference"><a href="#cite_note-[6]-91"><span class="cite-bracket">[</span>91<span class="cite-bracket">]</span></a></sup> Free radicals can be caused by many factors such as stress, disease and age.<sup id="cite_ref-[7]_99-4" class="reference"><a href="#cite_note-[7]-99"><span class="cite-bracket">[</span>99<span class="cite-bracket">]</span></a></sup> Some oxygen-derived free radicals can produce ischemia in the small bowel and stomach of cats.<sup id="cite_ref-[8]_108-0" class="reference"><a href="#cite_note-[8]-108"><span class="cite-bracket">[</span>108<span class="cite-bracket">]</span></a></sup> Combinations of antioxidants have been reported to improve serum vitamin status, suppress <a href="/wiki/Lipid_peroxidation" title="Lipid peroxidation">lipid peroxidation</a> and distributes the effects of exercise on the immune system.<sup id="cite_ref-[9]_100-1" class="reference"><a href="#cite_note-[9]-100"><span class="cite-bracket">[</span>100<span class="cite-bracket">]</span></a></sup> The most common antioxidants found in cat gastrointestinal diets are vitamin E and vitamin C. </p> <div class="mw-heading mw-heading3"><h3 id="Taurine">Taurine</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=36" title="Edit section: Taurine"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Cats have a <a href="/wiki/Sulfinoalanine_decarboxylase" title="Sulfinoalanine decarboxylase">sulfinoalanine decarboxylase</a> deficiency, preventing the synthesis of <a href="/wiki/Taurine" title="Taurine">taurine</a> from cysteine.<sup id="cite_ref-109" class="reference"><a href="#cite_note-109"><span class="cite-bracket">[</span>109<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Food_allergy">Food allergy</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=37" title="Edit section: Food allergy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Allergies_in_cats" title="Allergies in cats">Allergies in cats</a></div> <p>Food allergy is a non-seasonal disease with skin and/or gastrointestinal disorders. The main complaint is excessive scratching (<a href="/wiki/Pruritus" class="mw-redirect" title="Pruritus">pruritus</a>) which is usually resistant to treatment by <a href="/wiki/Glucocorticoid" title="Glucocorticoid">steroidal</a> <a href="/wiki/Anti-inflammatory" title="Anti-inflammatory">anti-inflammatory</a> <a href="/wiki/Medication" title="Medication">drugs</a>. The exact prevalence of food allergy in cats remains unknown. In 20 to 30% of the cases, cats have concurrent allergic diseases (<a href="/wiki/Atopy" title="Atopy">atopy</a>/flea-allergic <a href="/wiki/Dermatitis" title="Dermatitis">dermatitis</a>). A reliable diagnosis can only be made with <a href="/wiki/Elimination_diet" title="Elimination diet">dietary elimination-challenge trials</a>. <a href="/wiki/Allergy_testing" class="mw-redirect" title="Allergy testing">Allergy testing</a> is necessary for the identification of the causative food component(s). Therapy consists of avoiding the offending food component(s).<sup id="cite_ref-110" class="reference"><a href="#cite_note-110"><span class="cite-bracket">[</span>110<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Recalls_and_contaminants">Recalls and contaminants</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=38" title="Edit section: Recalls and contaminants"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/2007_pet_food_recalls" title="2007 pet food recalls">2007 pet food recalls</a></div> <p>The broad <a href="/wiki/Product_recall" title="Product recall">pet food recalls</a> starting in March 2007 came in response to reports of <a href="/wiki/Renal_failure" class="mw-redirect" title="Renal failure">renal failure</a> in pets consuming mostly wet pet foods made with <a href="/wiki/Gluten" title="Gluten">wheat gluten</a> from a single <a href="/wiki/People%27s_Republic_of_China" class="mw-redirect" title="People's Republic of China">Chinese</a> company beginning in February 2007. Overall, several major companies recalled more than 100 brands of pet foods with most of the recalled product coming from Menu Foods. The most likely cause according to the FDA is the presence of <a href="/wiki/Melamine" title="Melamine">melamine</a> in the wheat gluten of the affected foods. Melamine is known to falsely inflate the protein content rating of substances in laboratory tests. The economic impact on the pet food market was extensive, with Menu Foods alone losing roughly $30 million from the recall. Some companies were not affected and utilized the situation to generate sales for alternative pet foods.<sup id="cite_ref-111" class="reference"><a href="#cite_note-111"><span class="cite-bracket">[</span>111<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Bisphenol_A">Bisphenol A</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=39" title="Edit section: Bisphenol A"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A 2004 study reported that food packaged in cans coated with <a href="/wiki/Bisphenol_A" title="Bisphenol A">bisphenol A</a> is correlated with the development of <a href="/wiki/Feline_hyperthyroidism" title="Feline hyperthyroidism">hyperthyroidism</a> in cats.<sup id="cite_ref-112" class="reference"><a href="#cite_note-112"><span class="cite-bracket">[</span>112<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Environmental_impact">Environmental impact</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=40" title="Edit section: Environmental impact"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Overfishing" title="Overfishing">Overfishing</a></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Environmental_effects_of_meat_production" class="mw-redirect" title="Environmental effects of meat production">Environmental effects of meat production</a></div> <p>In a study on the impacts of the pet food industry on world fish and seafood supplies, researchers estimate that 2.48 million metric tonnes of fish are used by the cat food industry each year.<sup id="cite_ref-113" class="reference"><a href="#cite_note-113"><span class="cite-bracket">[</span>113<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-114" class="reference"><a href="#cite_note-114"><span class="cite-bracket">[</span>114<span class="cite-bracket">]</span></a></sup> It was suggested that there needs to be "a more objective and pragmatic approach to the use of a limited and decreasing biological resource, for human benefit." <a href="/wiki/Marine_conservation" title="Marine conservation">Marine conservation</a> activist <a href="/wiki/Paul_Watson" title="Paul Watson">Paul Watson</a> argues that the reduction in <a href="/wiki/Forage_fish" title="Forage fish">forage fish</a> such as those commonly used in cat food (sardines, herring, anchovy etc.) negatively affects fish higher up the food chain like cod, tuna and swordfish, not to mention marine mammals and birds.<sup id="cite_ref-115" class="reference"><a href="#cite_note-115"><span class="cite-bracket">[</span>115<span class="cite-bracket">]</span></a></sup> </p><p>Based on 2004 numbers, cats in the US consume the caloric equivalent of what 192,000 (<a href="/wiki/Demographics_of_the_United_States#Vital_statistics" title="Demographics of the United States">0.0655%</a>) Americans consume. While pet food is made predominantly using byproducts from human food production, the increase in popularity of human-grade and byproduct-free pet food means there is increasing pressure on the overall meat supply.<sup id="cite_ref-116" class="reference"><a href="#cite_note-116"><span class="cite-bracket">[</span>116<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (October 2023)">page needed</span></a></i>]</sup> </p><p>AAFCO recommends 26% crude protein for feline diets on a dry matter basis.<sup id="cite_ref-:05_32-1" class="reference"><a href="#cite_note-:05-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> High animal protein in cat food has increased in popularity due to consumer demand for natural diets, in which protein content is usually much higher than the AAFCO minimum levels.<sup id="cite_ref-:34_117-0" class="reference"><a href="#cite_note-:34-117"><span class="cite-bracket">[</span>117<span class="cite-bracket">]</span></a></sup> This trend has led to a higher need for animal protein, which may have a detrimental effect on sustainability.<sup id="cite_ref-118" class="reference"><a href="#cite_note-118"><span class="cite-bracket">[</span>118<span class="cite-bracket">]</span></a></sup> </p><p>In 2015, there were an estimated 77.8 million dogs and 85.6 million cats in the USA.<sup id="cite_ref-:12_119-0" class="reference"><a href="#cite_note-:12-119"><span class="cite-bracket">[</span>119<span class="cite-bracket">]</span></a></sup> The consumer desire to feed their pets premium foods which advertise healthy and human-grade ingredients, coupled with more pet ownership, requires more meat; this could require more land for raising livestock.<sup id="cite_ref-:12_119-1" class="reference"><a href="#cite_note-:12-119"><span class="cite-bracket">[</span>119<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-120" class="reference"><a href="#cite_note-120"><span class="cite-bracket">[</span>120<span class="cite-bracket">]</span></a></sup> In a study conducted by Okin in 2017, he suggests that if a quarter of all animal protein used in the food of American pets was human-grade, it would be equivalent to the energy needs of 5 million Americans.<sup id="cite_ref-:12_119-2" class="reference"><a href="#cite_note-:12-119"><span class="cite-bracket">[</span>119<span class="cite-bracket">]</span></a></sup> Okin uses an estimate of 33% of an animal's energy needs is derived from animal products; however, this is conservative in that many diets now have more than 33% of their diet in animal protein alone.<sup id="cite_ref-:12_119-3" class="reference"><a href="#cite_note-:12-119"><span class="cite-bracket">[</span>119<span class="cite-bracket">]</span></a></sup> </p><p>Lowering protein levels in feline diets may help to improve the sustainability of both the human and pet <a href="/wiki/Food_system" title="Food system">food system</a> by decreasing pressure on livestock agriculture and ultimately improving environmental effects.<sup id="cite_ref-:11_121-0" class="reference"><a href="#cite_note-:11-121"><span class="cite-bracket">[</span>121<span class="cite-bracket">]</span></a></sup> Other ways to improve sustainability include using <a href="/wiki/Animal_product" title="Animal product">animal byproducts</a> (organs not eaten by humans),<sup id="cite_ref-cum_122-0" class="reference"><a href="#cite_note-cum-122"><span class="cite-bracket">[</span>122<span class="cite-bracket">]</span></a></sup> plant (mainly pea) proteins, and <a href="/wiki/Insect_based_pet_food" class="mw-redirect" title="Insect based pet food">insect proteins</a>.<sup id="cite_ref-123" class="reference"><a href="#cite_note-123"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> In addition, feeding less food to an animal helps reduce the carbon footprint and chances of obesity.<sup id="cite_ref-cum_122-1" class="reference"><a href="#cite_note-cum-122"><span class="cite-bracket">[</span>122<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Nutrient_chart">Nutrient chart</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=41" title="Edit section: Nutrient chart"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable"> <caption><span class="anchor" id="CFNP"></span> <a href="/wiki/Association_of_American_Feed_Control_Officials" title="Association of American Feed Control Officials">Association of American Feed Control Officials</a> (AAFCO) Cat Food Nutrient Profiles,<sup id="cite_ref-a_124-0" class="reference"><a href="#cite_note-a-124"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> 2014<sup id="cite_ref-aafco2014_125-0" class="reference"><a href="#cite_note-aafco2014-125"><span class="cite-bracket">[</span>124<span class="cite-bracket">]</span></a></sup> with Role of Vitamins & Minerals <sup id="cite_ref-CFNPFD_73-1" class="reference"><a href="#cite_note-CFNPFD-73"><span class="cite-bracket">[</span>73<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th><a href="/wiki/Nutrient" title="Nutrient">Nutrient</a></th> <th>Units<br />(Dry<br />Matter Basis)</th> <th>Growth and<br />reproduction<br />minimum</th> <th>Adult<br />maintenance<br />minimum<sup id="cite_ref-126" class="reference"><a href="#cite_note-126"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup></th> <th>Maximum</th> <th class="unsortable">Functions</th> <th class="unsortable">Signs of deficiency/Excess </th></tr> <tr bgcolor="FFFFDD"> <td><a href="/wiki/Protein" title="Protein">Protein</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>30.0</td> <td>26.0</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Arginine" title="Arginine">Arginine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>1.24</td> <td>1.04</td> <td></td> <td></td> <td> <ul><li>Deficiency <ul><li><a href="/wiki/Hyperammonemia" title="Hyperammonemia">Hyperammonemia</a></li> <li>Symptoms include <a href="/wiki/Lethargy" title="Lethargy">lethargy</a>, vomiting, <a href="/wiki/Ataxia" title="Ataxia">ataxia</a>, <a href="/wiki/Hyperesthesia" title="Hyperesthesia">hyperesthesia</a> and can be serious enough to induce death and <a href="/wiki/Coma" title="Coma">coma</a><sup id="cite_ref-:0_127-0" class="reference"><a href="#cite_note-:0-127"><span class="cite-bracket">[</span>125<span class="cite-bracket">]</span></a></sup></li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Histidine" title="Histidine">Histidine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.33</td> <td>0.31</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Isoleucine" title="Isoleucine">Isoleucine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.56</td> <td>0.52</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Leucine" title="Leucine">Leucine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>1.28</td> <td>1.24</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Lysine" title="Lysine">Lysine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>1.20</td> <td>0.83</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Methionine" title="Methionine">Methionine</a> + <a href="/wiki/Cystine" title="Cystine">cystine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>1.10</td> <td>0.40</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Methionine" title="Methionine">Methionine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.62</td> <td>0.20</td> <td>1.50</td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Phenylalanine" title="Phenylalanine">Phenylalanine</a> + <a href="/wiki/Tyrosine" title="Tyrosine">tyrosine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>1.92</td> <td>1.53</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Phenylalanine" title="Phenylalanine">Phenylalanine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.52</td> <td>0.42</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Threonine" title="Threonine">Threonine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.73</td> <td>0.73</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Tryptophan" title="Tryptophan">Tryptophan</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.25</td> <td>0.16</td> <td>1.7 </td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Valine" title="Valine">Valine</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.64</td> <td>0.62</td> <td></td> <td></td> <td> </td></tr> <tr bgcolor="FFFFDD"> <td><a href="/wiki/Fat" title="Fat">Fat</a> <sup id="cite_ref-b_128-0" class="reference"><a href="#cite_note-b-128"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>9.0</td> <td>9.0</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Linoleic_acid" title="Linoleic acid">Linoleic acid</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.5</td> <td>0.5</td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Alpha-Linolenic_acid" class="mw-redirect" title="Alpha-Linolenic acid">alpha-Linolenic acid</a> </td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a> </td> <td>0.02 </td> <td><abbr title="not determined">ND</abbr> </td> <td> </td> <td> </td> <td> </td></tr> <tr> <td><a href="/wiki/Arachidonic_acid" title="Arachidonic acid">Arachidonic acid</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.02</td> <td>0.02</td> <td></td> <td> <ul><li>Liver health<sup id="cite_ref-:012_129-0" class="reference"><a href="#cite_note-:012-129"><span class="cite-bracket">[</span>126<span class="cite-bracket">]</span></a></sup></li> <li>Kidney health<sup id="cite_ref-:012_129-1" class="reference"><a href="#cite_note-:012-129"><span class="cite-bracket">[</span>126<span class="cite-bracket">]</span></a></sup></li> <li>Adrenal gland health<sup id="cite_ref-:012_129-2" class="reference"><a href="#cite_note-:012-129"><span class="cite-bracket">[</span>126<span class="cite-bracket">]</span></a></sup></li> <li>Skin health<sup id="cite_ref-:012_129-3" class="reference"><a href="#cite_note-:012-129"><span class="cite-bracket">[</span>126<span class="cite-bracket">]</span></a></sup></li></ul> </td> <td> <ul><li>Deficiency <ul><li>Lack of inflammatory response<sup id="cite_ref-:72_130-0" class="reference"><a href="#cite_note-:72-130"><span class="cite-bracket">[</span>127<span class="cite-bracket">]</span></a></sup></li> <li>Improper blood clotting<sup id="cite_ref-:72_130-1" class="reference"><a href="#cite_note-:72-130"><span class="cite-bracket">[</span>127<span class="cite-bracket">]</span></a></sup></li> <li>Malfunction of reproductive and gastrointestinal systems<sup id="cite_ref-:4_131-0" class="reference"><a href="#cite_note-:4-131"><span class="cite-bracket">[</span>128<span class="cite-bracket">]</span></a></sup></li> <li>Thickening of skin<sup id="cite_ref-:4_131-1" class="reference"><a href="#cite_note-:4-131"><span class="cite-bracket">[</span>128<span class="cite-bracket">]</span></a></sup></li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Eicosapentaenoic_acid" title="Eicosapentaenoic acid">EPA</a> + <a href="/wiki/Docosahexaenoic_acid" title="Docosahexaenoic acid">DHA</a> </td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a> </td> <td>0.012 </td> <td><abbr title="not determined">ND</abbr> </td> <td> </td> <td> </td> <td> </td></tr> <tr bgcolor="FFFFDD"> <td style="text-align:left" colspan="7"><a href="/wiki/Dietary_minerals" class="mw-redirect" title="Dietary minerals">Minerals</a> </td></tr> <tr> <td><a href="/wiki/Calcium" title="Calcium">Calcium</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>1.0</td> <td>0.6</td> <td></td> <td style="text-align: left;"> <ul><li>Formation of bones and teeth</li> <li>Blood coagulation</li> <li>Nerve impulse transmission</li> <li>Muscle contraction</li> <li>Cell signaling</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Nutritional secondary hyperparathyroidism</li> <li>loss of bone mineral content, which can lead to collapse and curvature of lumbar vertebrae and pelvic bones</li> <li>bone pain, which can progress to pathological fractures</li></ul></li> <li>Excess <ul><li>Depressed food intake</li> <li>Decreased growth</li> <li>Increased bone mineral density</li> <li>Increased need for magnesium</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Phosphorus" title="Phosphorus">Phosphorus</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.8</td> <td>0.5</td> <td></td> <td style="text-align: left;"> <ul><li>Skeletal structure</li> <li>DNA and RNA structure</li> <li>Energy metabolism</li> <li>Locomotion</li> <li>Acid-base balance</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Hemolytic anemia</li> <li>Locomotor disturbances</li> <li>Metabolic acidosis</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Potassium" title="Potassium">Potassium</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.6</td> <td>0.6</td> <td></td> <td style="text-align: left;"> <ul><li>Acid-base balance</li> <li>Nerve-impulse transmission</li> <li>Enzymatic reactions</li> <li>Transport functions</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Anorexia</li> <li>Retarded growth</li> <li>Neurological disorders, including ataxia and severe muscle weakness</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Sodium" title="Sodium">Sodium</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.2</td> <td>0.2</td> <td></td> <td style="text-align: left;"> <ul><li>Acid-base balance</li> <li>Regulation of osmotic pressure</li> <li>Nerve impulse generation and transmission</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Anorexia</li> <li>Impaired growth</li> <li>Excessive thirst and drinking</li> <li>Excessive urination</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Chlorine" title="Chlorine">Chlorine</a> / <a href="/wiki/Chloride" title="Chloride">Chloride</a></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.3</td> <td>0.3</td> <td></td> <td style="text-align: left;"> <ul><li>Acid-base balance</li> <li>Osmolarity of extracellular fluids</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Increased sodium concentration in renal fluid</li> <li>Excess potassium excretion</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Magnesium" title="Magnesium">Magnesium</a> <sup id="cite_ref-c_132-0" class="reference"><a href="#cite_note-c-132"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.08</td> <td>0.04</td> <td></td> <td style="text-align: left;"> <ul><li>Enzyme functions</li> <li>Muscle and nerve-cell membrane stability</li> <li>Hormone secretion and function</li> <li>Mineral structure of bones and teeth</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Poor growth</li> <li>Overextension of the carpal joints</li> <li>Muscle twitching</li> <li>Convulsions</li></ul></li> <li>Excess <ul><li>Urinary tract stone formation in the presence of high pH</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Iron" title="Iron">Iron</a> <sup id="cite_ref-d_133-0" class="reference"><a href="#cite_note-d-133"><span class="cite-bracket">[</span>e<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>80.0</td> <td>80.0</td> <td></td> <td style="text-align: left;"> <ul><li>Hemoglobin and myoglobin synthesis</li> <li>Energy metabolism</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Poor growth</li> <li>Pale mucous membranes</li> <li>Lethargy</li> <li>Weakness</li> <li>Diarrhea</li></ul></li> <li>Excess <ul><li>Vomiting and diarrhea</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Copper" title="Copper">Copper</a> (extruded food) <sup id="cite_ref-e_134-0" class="reference"><a href="#cite_note-e-134"><span class="cite-bracket">[</span>f<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>15.0</td> <td>5.0</td> <td></td> <td rowspan="2" style="text-align: left;"> <ul><li>Connective tissue formation</li> <li>Iron metabolism</li> <li>Blood cell formation</li> <li>Melanin pigment formation</li> <li>Myelin formation</li> <li>Defense against oxidative damage</li></ul> </td> <td rowspan="2" style="text-align: left;"> <ul><li>Deficiency <ul><li>Reduced weight gain</li> <li>Longer time to conceive</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Copper" title="Copper">Copper</a> (canned food) <sup id="cite_ref-e_134-1" class="reference"><a href="#cite_note-e-134"><span class="cite-bracket">[</span>f<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>8.4</td> <td>5.0</td> <td> </td></tr> <tr> <td><a href="/wiki/Manganese" title="Manganese">Manganese</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>7.6</td> <td>7.6</td> <td></td> <td style="text-align: left;"> <ul><li>Enzyme functions</li> <li>Bone development</li> <li>Neurological function</li></ul> </td> <td style="text-align: left;"> <p>No studies of deficiency in cats </p> </td></tr> <tr> <td><a href="/wiki/Zinc" title="Zinc">Zinc</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>75</td> <td>75</td> <td>2000 (removed in 2014)<sup id="cite_ref-CFNPNP_135-0" class="reference"><a href="#cite_note-CFNPNP-135"><span class="cite-bracket">[</span>129<span class="cite-bracket">]</span></a></sup></td> <td style="text-align: left;"> <ul><li>Enzyme reactions</li> <li>Cell replication</li> <li>Protein and carbohydrate metabolism</li> <li>Skin function</li> <li>Wound healing</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Skin lesions</li> <li>Growth retardation</li> <li>Testicular damage</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Iodine" title="Iodine">Iodine</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>1.8</td> <td>0.6</td> <td>9.0 </td> <td style="text-align: left;"> <ul><li>Thyroid hormone synthesis</li> <li>Cell differentiation</li> <li>Growth and development of puppies</li> <li>Regulation of metabolic rate</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Enlargement of thyroid glands</li></ul></li> <li>Excess <ul><li>Excessive tearing, salivation, and nasal discharge</li> <li>Dandruff</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Selenium" title="Selenium">Selenium</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>0.3</td> <td>0.3</td> <td></td> <td style="text-align: left;"> <ul><li>Defense against oxidative damage</li> <li>Immune response</li></ul> </td> <td style="text-align: left;"> <p>No studies of deficiency in cats </p> </td></tr> <tr bgcolor="FFFFDD"> <td style="text-align:left" colspan="7"><a href="/wiki/Vitamins" class="mw-redirect" title="Vitamins">Vitamins</a> </td></tr> <tr> <td><a href="/wiki/Vitamin_A" title="Vitamin A">Vitamin A</a></td> <td><a href="/wiki/International_units" class="mw-redirect" title="International units">IU</a>/kg</td> <td>6668</td> <td>3332</td> <td>333,300</td> <td style="text-align: left;"> <ul><li>Vision</li> <li>Growth</li> <li>Immune function</li> <li>Fetal development</li> <li>Cellular differentiation</li> <li>Transmembrane protein transfer</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Conjunctivitis</li> <li>Cataracts, retinal degeneration, and other eye problems</li> <li>Weight loss</li> <li>Muscle weakness</li> <li>Reproductive and developmental disorders</li></ul></li> <li>Excess <ul><li>Skeletal lesions in kittens, particularly outgrowths of the cervical vertebrae</li> <li>Osteoporosis</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Vitamin_D" title="Vitamin D">Vitamin D</a></td> <td><a href="/wiki/International_units" class="mw-redirect" title="International units">IU</a>/kg</td> <td>280</td> <td>280</td> <td>30,080</td> <td style="text-align: left;"> <ul><li>Maintenance of mineral status</li> <li>Skeletal structure</li> <li>Muscle contraction</li> <li>Blood clotting</li> <li>Nerve conduction</li> <li>Cell signaling</li> <li>Phosphorus balance</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Rickets</li> <li>Abnormalities in skeletal development</li> <li>Progressive paralysis</li> <li>Ataxia</li> <li>Lack of grooming</li> <li>Reduction in body weight and food intake</li></ul></li> <li>Excess <ul><li>Anorexia</li> <li>Vomiting</li> <li>Lethargy</li> <li>Calcification of soft tissues</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Vitamin_E" title="Vitamin E">Vitamin E</a> <sup id="cite_ref-f_136-0" class="reference"><a href="#cite_note-f-136"><span class="cite-bracket">[</span>g<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/International_units" class="mw-redirect" title="International units">IU</a>/kg</td> <td>40</td> <td>40</td> <td></td> <td style="text-align: left;"> <ul><li>Defense against oxidative damage via free radical scavenging</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Anorexia</li> <li>Depression</li> <li>Pain sensitivity in abdomen</li> <li>Fat tissue pathology</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Vitamin_K" title="Vitamin K">Vitamin K</a> <sup id="cite_ref-g_137-0" class="reference"><a href="#cite_note-g-137"><span class="cite-bracket">[</span>h<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>0.1</td> <td>0.1</td> <td></td> <td style="text-align: left;"> <ul><li>Activation of clotting factors, bone proteins, and other proteins</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Prolonged blood clotting times</li> <li>Hemorrhaging</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Vitamin_B1" class="mw-redirect" title="Vitamin B1">Vitamin B1</a> / <a href="/wiki/Thiamine" title="Thiamine">Thiamine</a> <sup id="cite_ref-h_138-0" class="reference"><a href="#cite_note-h-138"><span class="cite-bracket">[</span>i<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>5.6</td> <td>5.6</td> <td></td> <td style="text-align: left;"> <ul><li>Energy and carbohydrate metabolism</li> <li>Activation of ion channels in neural tissue</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Neurological impairments including altered reflexes and convulsive seizures</li> <li>Heart-rate disorders</li> <li>Pathological changes in the central nervous system</li> <li>Severe learning deficits</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Riboflavin" title="Riboflavin">Riboflavin</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>4.0</td> <td>4.0</td> <td></td> <td style="text-align: left;"> <ul><li>Enzyme functions</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Cataracts</li> <li>Fatty livers</li> <li>Testicular atrophy</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Pantothenic_acid" title="Pantothenic acid">Pantothenic acid</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>5.75</td> <td>5.75</td> <td></td> <td style="text-align: left;"> <ul><li>Energy metabolism</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Stunted growth</li> <li>Fatty changes in liver</li> <li>Small bowel lesions</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Niacin_(nutrient)" class="mw-redirect" title="Niacin (nutrient)">Niacin</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>60</td> <td>60</td> <td></td> <td style="text-align: left;"> <ul><li>Enzyme functions</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Anorexia</li> <li>Weight loss</li> <li>Elevated body temperature</li> <li>Fiery red tongue, with ulceration and congestion</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Vitamin_B6" title="Vitamin B6">Vitamin B6</a> / <a href="/wiki/Pyridoxine" title="Pyridoxine">Pyridoxine</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>4.0</td> <td>4.0</td> <td></td> <td style="text-align: left;"> <ul><li>Glucose generation</li> <li>Red blood cell function</li> <li>Niacin synthesis</li> <li>Nervous system function</li> <li>Immune response</li> <li>Hormone regulation</li> <li>Gene activation</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Stunted growth</li> <li>Convulsive seizures</li> <li>Kidney lesions</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Folic_Acid" class="mw-redirect" title="Folic Acid">Folic Acid</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>0.8</td> <td>0.8</td> <td></td> <td style="text-align: left;"> <ul><li>Amino acid and nucleotide metabolism</li> <li>Mitochondrial protein synthesis</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Decreased growth rate</li> <li>increased iron levels in blood</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Biotin" title="Biotin">Biotin</a> <sup id="cite_ref-i_139-0" class="reference"><a href="#cite_note-i-139"><span class="cite-bracket">[</span>j<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>0.07</td> <td>0.07</td> <td></td> <td> <ul><li>Supports both pregnancy and lactation<sup id="cite_ref-140" class="reference"><a href="#cite_note-140"><span class="cite-bracket">[</span>130<span class="cite-bracket">]</span></a></sup></li> <li>Carbohydrate, protein and fat metabolism<sup id="cite_ref-:3_141-0" class="reference"><a href="#cite_note-:3-141"><span class="cite-bracket">[</span>131<span class="cite-bracket">]</span></a></sup></li> <li>Maintenance of blood glucose<sup id="cite_ref-:3_141-1" class="reference"><a href="#cite_note-:3-141"><span class="cite-bracket">[</span>131<span class="cite-bracket">]</span></a></sup></li></ul> </td> <td> <ul><li>Deficiency <ul><li>Weight loss<sup id="cite_ref-:1_142-0" class="reference"><a href="#cite_note-:1-142"><span class="cite-bracket">[</span>132<span class="cite-bracket">]</span></a></sup></li> <li>Secretions from the nose, mouth (saliva) and eyes begin to dry out<sup id="cite_ref-:1_142-1" class="reference"><a href="#cite_note-:1-142"><span class="cite-bracket">[</span>132<span class="cite-bracket">]</span></a></sup></li> <li>Alopecia<sup id="cite_ref-:2_143-0" class="reference"><a href="#cite_note-:2-143"><span class="cite-bracket">[</span>133<span class="cite-bracket">]</span></a></sup></li> <li>Dermatitis around the mouth<sup id="cite_ref-:2_143-1" class="reference"><a href="#cite_note-:2-143"><span class="cite-bracket">[</span>133<span class="cite-bracket">]</span></a></sup></li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Vitamin_B12" title="Vitamin B12">Vitamin B12</a></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>0.02</td> <td>0.02</td> <td></td> <td style="text-align: left;"> <ul><li>Enzyme functions</li></ul> </td> <td style="text-align: left;"> <ul><li>Deficiency <ul><li>Weight loss</li> <li>Vomiting</li> <li>Diarrhea</li> <li>Intestinal disorders</li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Choline" title="Choline">Choline</a> <sup id="cite_ref-j_144-0" class="reference"><a href="#cite_note-j-144"><span class="cite-bracket">[</span>k<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Kg#SI_multiples" class="mw-redirect" title="Kg">mg</a>/kg</td> <td>2400</td> <td>2400</td> <td></td> <td></td> <td> <ul><li>Deficiency <ul><li>Fatty liver in kittens<sup id="cite_ref-SRM_145-0" class="reference"><a href="#cite_note-SRM-145"><span class="cite-bracket">[</span>134<span class="cite-bracket">]</span></a></sup></li> <li>Lower motivation to eat in kittens<sup id="cite_ref-SRM_145-1" class="reference"><a href="#cite_note-SRM-145"><span class="cite-bracket">[</span>134<span class="cite-bracket">]</span></a></sup></li> <li>Decreased growth rate in kittens<sup id="cite_ref-SRM_145-2" class="reference"><a href="#cite_note-SRM-145"><span class="cite-bracket">[</span>134<span class="cite-bracket">]</span></a></sup></li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Taurine" title="Taurine">Taurine</a> (extruded food) </td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a> </td> <td>0.10 </td> <td>0.10 </td> <td> </td> <td rowspan="2"> <ul><li>Vision<sup id="cite_ref-taurine_146-0" class="reference"><a href="#cite_note-taurine-146"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup></li> <li>Digestion<sup id="cite_ref-taurine_146-1" class="reference"><a href="#cite_note-taurine-146"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup></li> <li>Heart muscle function<sup id="cite_ref-taurine_146-2" class="reference"><a href="#cite_note-taurine-146"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup></li> <li>Normal pregnancy<sup id="cite_ref-taurine_146-3" class="reference"><a href="#cite_note-taurine-146"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup></li> <li>Fetal development<sup id="cite_ref-taurine_146-4" class="reference"><a href="#cite_note-taurine-146"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup></li> <li>Immunity<sup id="cite_ref-taurine_146-5" class="reference"><a href="#cite_note-taurine-146"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup></li></ul> </td> <td rowspan="2"> <ul><li>Deficiency <ul><li>Cardiovascular and reproductive problems<sup id="cite_ref-taurine_146-6" class="reference"><a href="#cite_note-taurine-146"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup></li> <li>Developmental problems in the central nervous system<sup id="cite_ref-taurine_146-7" class="reference"><a href="#cite_note-taurine-146"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup></li> <li>Retinal degeneration<sup id="cite_ref-taurine_146-8" class="reference"><a href="#cite_note-taurine-146"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup></li></ul></li></ul> </td></tr> <tr> <td><a href="/wiki/Taurine" title="Taurine">Taurine</a> (canned food)</td> <td><a href="/wiki/%25" class="mw-redirect" title="%">%</a></td> <td>0.20</td> <td>0.20</td> <td> </td></tr></tbody></table> <dl><dt>Notes<sup id="cite_ref-CFNPNP_135-1" class="reference"><a href="#cite_note-CFNPNP-135"><span class="cite-bracket">[</span>129<span class="cite-bracket">]</span></a></sup></dt></dl> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-a-124"><span class="mw-cite-backlink"><b><a href="#cite_ref-a_124-0">^</a></b></span> <span class="reference-text"> Presumes an <a href="/wiki/Energy_density" title="Energy density">energy density</a> of 4.0 <a href="/wiki/Calorie" title="Calorie">kcal</a>/<a href="/wiki/Gram_(unit)" class="mw-redirect" title="Gram (unit)">g</a> ME, based on the <i>modified</i> <a href="/wiki/Atwater_system" title="Atwater system"><i>Atwater</i></a> values of 3.5, 8.5, and 3.5 <a href="/wiki/Calorie" title="Calorie">kcal</a>/<a href="/wiki/Gram_(unit)" class="mw-redirect" title="Gram (unit)">g</a> for <a href="/wiki/Protein" title="Protein">protein</a>, <a href="/wiki/Fat" title="Fat">fat</a>, and <a href="/wiki/Carbohydrate" title="Carbohydrate">carbohydrate</a> (nitrogen-free extract, NFE), respectively [Regulation PF9]. Rations greater than 4.5 kcal/g should be corrected for <a href="/wiki/Energy_density" title="Energy density">energy density</a>; rations less than 4.0 kcal/g should <i>not</i> be corrected for energy.</span> </li> <li id="cite_note-126"><span class="mw-cite-backlink"><b><a href="#cite_ref-126">^</a></b></span> <span class="reference-text">Recommended concentrations for maintenance of body weight at an average caloric intake for cats of a given optimal weight.</span> </li> <li id="cite_note-b-128"><span class="mw-cite-backlink"><b><a href="#cite_ref-b_128-0">^</a></b></span> <span class="reference-text"> Although a true requirement for <a href="/wiki/Fat" title="Fat">fat</a> per se has not been established, the minimum level was based on recognition of fat as a source of <a href="/wiki/Essential_fatty_acids" class="mw-redirect" title="Essential fatty acids">essential fatty acids</a>, as a carrier of <a href="/wiki/Fat-soluble_vitamins" class="mw-redirect" title="Fat-soluble vitamins">fat-soluble vitamins</a>, to enhance palatability, and to supply an adequate <a href="/wiki/Caloric_density" class="mw-redirect" title="Caloric density">caloric density</a>.</span> </li> <li id="cite_note-c-132"><span class="mw-cite-backlink"><b><a href="#cite_ref-c_132-0">^</a></b></span> <span class="reference-text"> If the mean <a href="/wiki/Urine_pH" class="mw-redirect" title="Urine pH">urine pH</a> of cats fed <i><a href="/wiki/Ad_libitum" title="Ad libitum">ad libitum</a></i> is not below 6.4, the risk of <a href="/w/index.php?title=Struvite_urolithiasis&action=edit&redlink=1" class="new" title="Struvite urolithiasis (page does not exist)">struvite urolithiasis</a> increases as the <a href="/wiki/Magnesium" title="Magnesium">magnesium</a> content of the diet increases.</span> </li> <li id="cite_note-d-133"><span class="mw-cite-backlink"><b><a href="#cite_ref-d_133-0">^</a></b></span> <span class="reference-text"> Because of very poor <a href="/wiki/Bioavailability" title="Bioavailability">bioavailability</a>, <a href="/wiki/Iron" title="Iron">iron</a> from <a href="/wiki/Ferrous_carbonate" class="mw-redirect" title="Ferrous carbonate">carbonate</a> or <a href="/wiki/Ferrous_oxide" class="mw-redirect" title="Ferrous oxide">oxide</a> sources that are added to the diet should not be considered as components in meeting the minimum nutrient level.</span> </li> <li id="cite_note-e-134"><span class="mw-cite-backlink">^ <a href="#cite_ref-e_134-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-e_134-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"> Because of very poor bioavailability, <a href="/wiki/Copper" title="Copper">copper</a> from <a href="/wiki/Cupric_oxide" class="mw-redirect" title="Cupric oxide">oxide</a> sources that are added to the diet should not be considered as components in meeting the minimum nutrient level.</span> </li> <li id="cite_note-f-136"><span class="mw-cite-backlink"><b><a href="#cite_ref-f_136-0">^</a></b></span> <span class="reference-text"> Add 10 <a href="/wiki/International_units" class="mw-redirect" title="International units">IU</a> <a href="/wiki/Vitamin_E" title="Vitamin E">vitamin E</a> above minimum level per gram of <a href="/wiki/Fish_oil" title="Fish oil">fish oil</a> per kilogram of diet.</span> </li> <li id="cite_note-g-137"><span class="mw-cite-backlink"><b><a href="#cite_ref-g_137-0">^</a></b></span> <span class="reference-text"> <a href="/wiki/Vitamin_K" title="Vitamin K">Vitamin K</a> does not need to be added unless diet contains greater than 25% fish on a dry matter basis.</span> </li> <li id="cite_note-h-138"><span class="mw-cite-backlink"><b><a href="#cite_ref-h_138-0">^</a></b></span> <span class="reference-text"> Because processing may destroy up to 90% of the <a href="/wiki/Thiamine" title="Thiamine">thiamine</a> in the diet, allowance in formulation should be made to ensure the minimum nutrient level is met after processing.</span> </li> <li id="cite_note-i-139"><span class="mw-cite-backlink"><b><a href="#cite_ref-i_139-0">^</a></b></span> <span class="reference-text"> <a href="/wiki/Biotin" title="Biotin">Biotin</a> does not need to be added unless diet contains <a href="/wiki/Antimicrobial" title="Antimicrobial">antimicrobial</a> or <a href="/wiki/Antivitamin" class="mw-redirect" title="Antivitamin">antivitamin</a> compounds.</span> </li> <li id="cite_note-j-144"><span class="mw-cite-backlink"><b><a href="#cite_ref-j_144-0">^</a></b></span> <span class="reference-text"> (Removed in 2014) <a href="/wiki/Methionine" title="Methionine">methionine</a> may substitute <a href="/wiki/Choline" title="Choline">choline</a> as <a href="/wiki/Choline#Function" title="Choline">methyl donor</a> at a rate of 3.75 parts for 1 part <a href="/wiki/Choline" title="Choline">choline</a> by weight when methionine exceeds 0.62%.</span> </li> </ol></div></div> <p>The European Union does not use a unified nutrient requirement.<sup id="cite_ref-147" class="reference"><a href="#cite_note-147"><span class="cite-bracket">[</span>136<span class="cite-bracket">]</span></a></sup> A manufacturer committee called FEDIAF (European Pet Food Industry Federation) makes recommendations for cats and dogs that members follow.<sup id="cite_ref-148" class="reference"><a href="#cite_note-148"><span class="cite-bracket">[</span>137<span class="cite-bracket">]</span></a></sup> Both AAFCO and FEDIAF publish in two formats: one in the amount-per-kilogram form above, another in an amount-per-unit-energy format.<sup id="cite_ref-aafco2014_125-1" class="reference"><a href="#cite_note-aafco2014-125"><span class="cite-bracket">[</span>124<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=42" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Category:Cat_food_brands" title="Category:Cat food brands">Cat food brands</a></li> <li><a href="/wiki/Pet_food" title="Pet food">Pet food</a></li> <li><a href="/wiki/Dog_food" title="Dog food">Dog food</a></li> <li><a href="/wiki/Dental_health_diets_for_cats" title="Dental health diets for cats">Dental health diets for cats</a></li> <li><a href="/wiki/Pet_store" title="Pet store">Pet store</a></li> <li><a href="/wiki/Senior_cat_diet" title="Senior cat diet">Senior cat diet</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cat_food&action=edit&section=43" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFKnightLeitsberger2016" class="citation journal cs1">Knight, Andrew; Leitsberger, Madelaine (21 September 2016). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5035952">"Vegetarian versus Meat-Based Diets for Companion Animals"</a>. <i>Animals</i>. <b>6</b> (9): 57. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.3390%2Fani6090057">10.3390/ani6090057</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/2076-2615">2076-2615</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5035952">5035952</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/27657139">27657139</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Animals&rft.atitle=Vegetarian+versus+Meat-Based+Diets+for+Companion+Animals&rft.volume=6&rft.issue=9&rft.pages=57&rft.date=2016-09-21&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC5035952%23id-name%3DPMC&rft.issn=2076-2615&rft_id=info%3Apmid%2F27657139&rft_id=info%3Adoi%2F10.3390%2Fani6090057&rft.aulast=Knight&rft.aufirst=Andrew&rft.au=Leitsberger%2C+Madelaine&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC5035952&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACat+food" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">Howell E. <i>Food Enzymes for Health & Longevity</i> Woodstock Valley, CT, US: Omangod Press. xx. 1980.</span> </li> <li id="cite_note-perry-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-perry_3-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external autonumber" href="http://www.preciouspets.org/truth.htm">[1]</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20121010124024/http://www.preciouspets.org/truth.htm">Archived</a> 10 October 2012 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> | Perry T. What's really for dinner? The truth about commercial pet food. The Animals' Agenda. 1996. Nov. - Dec.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.museumoflondon.org.uk/discover/cats-in-museums-feline-history-london">"Cats in the collection: a feline history of London"</a>. Museum of London<span class="reference-accessdate">. Retrieved <span class="nowrap">10 March</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Cats+in+the+collection%3A+a+feline+history+of+London&rft.pub=Museum+of+London&rft_id=https%3A%2F%2Fwww.museumoflondon.org.uk%2Fdiscover%2Fcats-in-museums-feline-history-london&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACat+food" class="Z3988"></span></span> </li> <li id="cite_note-:18-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-:18_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:18_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20200813121442/https://www.museumoflondonprints.com/image/68598/john-galt-cats-meat-man-c-1901">"Cats' Meat Man: c. 1901"</a>. Museum of London. Archived from <a rel="nofollow" class="external text" href="http://www.museumoflondonprints.com/image/68598/john-galt-cats-meat-man-c-1901">the original</a> on 13 August 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">2 October</span> 2012</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Cats%27+Meat+Man%3A+c.+1901&rft.pub=Museum+of+London&rft_id=http%3A%2F%2Fwww.museumoflondonprints.com%2Fimage%2F68598%2Fjohn-galt-cats-meat-man-c-1901&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACat+food" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMayhew2010" class="citation book cs1">Mayhew, Henry (2010). <i>London Labour and the London Poor, Volume 1</i>. Oxford University Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780199566082" title="Special:BookSources/9780199566082"><bdi>9780199566082</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=London+Labour+and+the+London+Poor%2C+Volume+1&rft.pub=Oxford+University+Press&rft.date=2010&rft.isbn=9780199566082&rft.aulast=Mayhew&rft.aufirst=Henry&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACat+food" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWalton2014" class="citation web cs1">Walton, Geri (23 April 2014). <a rel="nofollow" class="external text" href="https://www.geriwalton.com/cats-meat-sellers/">"Cats' Meat Sellers in the 1800s"</a>. <i>Unique histories from the 18th and 19th centuries</i><span class="reference-accessdate">. Retrieved <span class="nowrap">10 March</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Unique+histories+from+the+18th+and+19th+centuries&rft.atitle=Cats%27+Meat+Sellers+in+the+1800s&rft.date=2014-04-23&rft.aulast=Walton&rft.aufirst=Geri&rft_id=https%3A%2F%2Fwww.geriwalton.com%2Fcats-meat-sellers%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACat+food" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHartwell" class="citation web cs1">Hartwell, Sarah. <a rel="nofollow" class="external text" href="http://messybeast.com/cats-meat-man.htm">"The Cat's Meat Man"</a>. <i>Messybeast Cats</i><span class="reference-accessdate">. Retrieved <span class="nowrap">10 March</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Messybeast+Cats&rft.atitle=The+Cat%27s+Meat+Man&rft.aulast=Hartwell&rft.aufirst=Sarah&rft_id=http%3A%2F%2Fmessybeast.com%2Fcats-meat-man.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACat+food" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://designyoutrust.com/2019/07/amazing-vintage-photographs-of-cats-meat-sellers-in-london-in-the-early-20th-century/">"Amazing Vintage Photographs Of Cat's Meat Sellers In London In The Early 20th Century"</a>. <i>Design You Trust</i><span class="reference-accessdate">. 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A. (June 2008). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2387258">"Dry foods and risk of disease in cats"</a>. <i>Canadian Veterinary Journal</i>. <b>49</b> (6): 561–563. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2387258">2387258</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/18624064">18624064</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Canadian+Veterinary+Journal&rft.atitle=Dry+foods+and+risk+of+disease+in+cats&rft.volume=49&rft.issue=6&rft.pages=561-563&rft.date=2008-06&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC2387258%23id-name%3DPMC&rft_id=info%3Apmid%2F18624064&rft.aulast=Buffington&rft.aufirst=C.+A.&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC2387258&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACat+food" class="Z3988"></span> – disputes the claim that dry food is harmful</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20081017172555/http://www.api4animals.org/facts.php?p=359&more=1">Get The Facts – What's Really In Pet Food</a> from <a href="/wiki/Animal_Protection_Institute" title="Animal Protection Institute">Animal Protection Institute</a></li></ul> <div class="navbox-styles"><style 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colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Domestic_cat" title="Template:Domestic cat"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Domestic_cat" title="Template talk:Domestic cat"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Domestic_cat" title="Special:EditPage/Template:Domestic cat"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Domestic_cats" style="font-size:114%;margin:0 4em"><a href="/wiki/Cat" title="Cat">Domestic cats</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Felinology" title="Felinology">Felinology</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cat_anatomy" title="Cat anatomy">Anatomy</a></li> <li><a href="/wiki/Cat_genetics" title="Cat genetics">Genetics</a></li> <li><a href="/wiki/Dwarf_cat" title="Dwarf cat">Dwarf cat</a></li> <li><a href="/wiki/Kitten" title="Kitten">Kitten</a></li> <li><a href="/wiki/Odd-eyed_cat" title="Odd-eyed cat">Odd-eyed cat</a></li> <li><a href="/wiki/Squitten" title="Squitten">Squitten</a></li> <li><span class="nobold"><a href="/wiki/Cat_coat_genetics" title="Cat coat genetics">Coat genetics</a></span></li> <li><a href="/wiki/Bicolor_cat" title="Bicolor cat">Bicolor cat</a></li> <li><a href="/wiki/Black_cat" title="Black cat">Black cat</a></li> <li><a href="/wiki/Calico_cat" title="Calico cat">Calico cat</a></li> <li><a href="/wiki/Tabby_cat" title="Tabby cat">Tabby cat</a></li> <li><a href="/wiki/Tortoiseshell_cat" title="Tortoiseshell cat">Tortoiseshell cat</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cat_health" title="Cat health">Health</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aging_in_cats" title="Aging in cats">Aging</a></li> <li><a href="/wiki/Onychectomy" title="Onychectomy">Declawing</a></li> <li><a class="mw-selflink selflink">Diet</a> <ul><li><a href="/wiki/Dental_health_diets_for_cats" title="Dental health diets for cats">dental health</a></li> <li><a href="/wiki/Senior_cat_diet" title="Senior cat diet">senior</a></li></ul></li> <li><a href="/wiki/Feline_vaccination" title="Feline vaccination">Vaccination</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cat_behavior" title="Cat behavior">Behavior</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cat%E2%80%93dog_relationship" title="Cat–dog relationship">Cat–dog relationship</a></li> <li><a href="/wiki/Cat_communication" title="Cat communication">Catfight</a></li> <li><a href="/wiki/Catnip" title="Catnip">Catnip</a> <ul><li><a href="/wiki/Valerian_(herb)" title="Valerian (herb)">valerian</a></li></ul></li> <li><a href="/wiki/Cat_communication" title="Cat communication">Communication</a> <ul><li><a href="/wiki/Meow" title="Meow">Meow</a></li> <li><a href="/wiki/Purr" title="Purr">Purr</a></li></ul></li> <li><a href="/wiki/Kneading_(cats)" title="Kneading (cats)">Kneading</a></li> <li><a href="/wiki/Cat_intelligence" title="Cat intelligence">Intelligence</a></li> <li><a href="/wiki/Cat_play_and_toys" title="Cat play and toys">Play and toys</a></li> <li><a href="/wiki/Cat_righting_reflex" title="Cat righting reflex">Righting reflex</a></li> <li><a href="/wiki/Cat_senses" title="Cat senses">Senses</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Human_interaction_with_cats" title="Human interaction with cats">Human–cat<br />interaction</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ailurophobia" title="Ailurophobia">Ailurophobia</a></li> <li><a href="/wiki/Cat_caf%C3%A9" title="Cat café">Cat cafés</a></li> <li><a href="/wiki/Category:Cat_killers" title="Category:Cat killers">Cat killers</a></li> <li><a href="/wiki/Cat_massage" title="Cat massage">Cat massage</a></li> <li><a href="/wiki/Cat_meat" title="Cat meat">Cat meat</a></li> <li><a href="/wiki/Cat-scratch_disease" title="Cat-scratch disease">Cat-scratch disease</a></li> <li><a href="/wiki/Cat_show" title="Cat show">Cat show</a></li> <li><a href="/wiki/Cats_in_ancient_Egypt" title="Cats in ancient Egypt">Cats in ancient Egypt</a></li> <li><a href="/wiki/Cultural_depictions_of_cats" title="Cultural depictions of cats">Cultural depictions</a> <ul><li><a href="/wiki/List_of_fictional_felines" title="List of fictional felines">fictional</a></li> <li><a href="/wiki/Cats_and_the_Internet" title="Cats and the Internet">Internet</a></li></ul></li> <li><a href="/wiki/Dog-like_cat" title="Dog-like cat">Dog-like cat</a></li> <li><a href="/wiki/Feral_cat" title="Feral cat">Feral cat</a></li> <li><a href="/wiki/Islam_and_cats" title="Islam and cats">Cats and Islam</a></li> <li><a href="/wiki/Lolcat" title="Lolcat">Lolcat</a></li> <li><a href="/wiki/National_Cat_Day" title="National Cat Day">National Cat Day</a></li> <li><a href="/wiki/Pet" title="Pet">Pet cat</a></li> <li><a href="/wiki/Working_cat" title="Working cat">Working cat</a> <ul><li><a href="/wiki/Bodega_cat" title="Bodega cat">Bodega cat</a></li> <li><a href="/wiki/Farm_cat" title="Farm cat">Farm cat</a></li> <li><a href="/wiki/Library_cat" title="Library cat">Library cat</a></li> <li><a href="/wiki/Ship%27s_cat" title="Ship's cat">Ship's cat</a></li></ul></li> <li><a href="/wiki/Feline_zoonosis" title="Feline zoonosis">Zoonosis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cat_registry" title="Cat registry">Registries</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/American_Cat_Fanciers_Association" title="American Cat Fanciers Association">American Cat Fanciers Association</a></li> <li><a href="/wiki/Associazione_Nazionale_Felina_Italiana" title="Associazione Nazionale Felina Italiana">Associazione Nazionale Felina Italiana</a></li> <li><a href="/wiki/Canadian_Cat_Association" title="Canadian Cat Association">Canadian Cat Association</a></li> <li><a href="/wiki/Cat_Aficionado_Association" title="Cat Aficionado Association">Cat Aficionado Association</a></li> <li><a href="/wiki/Cat_Fanciers%27_Association" title="Cat Fanciers' Association">Cat Fanciers' Association</a></li> <li><a href="/wiki/F%C3%A9d%C3%A9ration_Internationale_F%C3%A9line" title="Fédération Internationale Féline">Fédération Internationale Féline</a></li> <li><a href="/wiki/Governing_Council_of_the_Cat_Fancy" title="Governing Council of the Cat Fancy">Governing Council of the Cat Fancy</a></li> <li><a href="/wiki/New_Zealand_Cat_Fancy" title="New Zealand Cat Fancy">New Zealand Cat Fancy</a></li> <li><a href="/wiki/Southern_Africa_Cat_Council" title="Southern Africa Cat Council">Southern Africa Cat Council</a></li> <li><a href="/wiki/The_International_Cat_Association" title="The International Cat Association">The International Cat Association</a></li> <li><a href="/wiki/World_Cat_Congress" title="World Cat Congress">World Cat Congress</a></li> <li><a href="/wiki/World_Cat_Federation" title="World Cat Federation">World Cat Federation</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Breeds<br />(<a href="/wiki/List_of_cat_breeds" title="List of cat breeds">full list</a>)<br />(<a href="/wiki/List_of_experimental_cat_breeds" title="List of experimental cat breeds">experimental</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Fully<br />domestic</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abyssinian_cat" title="Abyssinian cat">Abyssinian</a></li> <li><a href="/wiki/American_Curl" title="American Curl">American Curl</a></li> <li><a href="/wiki/American_Shorthair" title="American Shorthair">American Shorthair</a></li> <li><a href="/wiki/Balinese_cat" title="Balinese cat">Balinese</a></li> <li><a href="/wiki/Brazilian_Shorthair" title="Brazilian Shorthair">Brazilian Shorthair</a></li> <li><a href="/wiki/British_Shorthair" title="British Shorthair">British Shorthair</a></li> <li><a href="/wiki/Birman" title="Birman">Birman</a></li> <li><a href="/wiki/Bombay_cat" title="Bombay cat">Bombay</a></li> <li><a href="/wiki/Burmese_cat" title="Burmese cat">Burmese</a></li> <li><a href="/wiki/Burmilla" title="Burmilla">Burmilla</a></li> <li><a href="/wiki/California_Spangled" title="California Spangled">California Spangled</a></li> <li><a href="/wiki/Chartreux" title="Chartreux">Chartreux</a></li> <li><a href="/wiki/Dragon_Li" title="Dragon Li">Chinese Li Hua</a></li> <li><a href="/wiki/Colorpoint_Shorthair" title="Colorpoint Shorthair">Colorpoint Shorthair</a></li> <li><a href="/wiki/Cornish_Rex" title="Cornish Rex">Cornish Rex</a></li> <li><a href="/wiki/Cymric_cat" title="Cymric cat">Cymric</a></li> <li><a href="/wiki/Devon_Rex" title="Devon Rex">Devon Rex</a></li> <li><a href="/wiki/Donskoy_cat" title="Donskoy cat">Donskoy</a></li> <li><a href="/wiki/Egyptian_Mau" title="Egyptian Mau">Egyptian Mau</a></li> <li><a href="/wiki/European_Shorthair" title="European Shorthair">European Shorthair</a></li> <li><a href="/wiki/Exotic_Shorthair" title="Exotic Shorthair">Exotic Shorthair</a></li> <li><a href="/wiki/Foldex_cat" title="Foldex cat">Foldex</a></li> <li><a href="/wiki/German_Rex" title="German Rex">German Rex</a></li> <li><a href="/wiki/Himalayan_cat" title="Himalayan cat">Himalayan</a></li> <li><a href="/wiki/Japanese_Bobtail" title="Japanese Bobtail">Japanese Bobtail</a></li> <li><a href="/wiki/Javanese_cat" title="Javanese cat">Javanese</a></li> <li><a href="/wiki/Khao_Manee" title="Khao Manee">Khao Manee</a></li> <li><a href="/wiki/Korat" title="Korat">Korat</a></li> <li><a href="/wiki/Kurilian_Bobtail" title="Kurilian Bobtail">Kurilian Bobtail</a></li> <li><a href="/wiki/Lykoi" title="Lykoi">Lykoi</a></li> <li><a href="/wiki/Maine_Coon" title="Maine Coon">Maine Coon</a></li> <li><a href="/wiki/Manx_cat" title="Manx cat">Manx</a></li> <li><a href="/wiki/Munchkin_cat" title="Munchkin cat">Munchkin</a></li> <li><a href="/wiki/Neva_Masquerade" title="Neva Masquerade">Neva Masquerade</a></li> <li><a href="/wiki/Norwegian_Forest_cat" class="mw-redirect" title="Norwegian Forest cat">Norwegian Forest</a></li> <li><a href="/wiki/Ocicat" title="Ocicat">Ocicat</a></li> <li><a href="/wiki/Ojos_Azules" title="Ojos Azules">Ojos Azules</a></li> <li><a href="/wiki/Oriental_Shorthair" title="Oriental Shorthair">Oriental Shorthair</a></li> <li><a href="/wiki/Persian_cat" title="Persian cat">Persian</a></li> <li><a href="/wiki/Peterbald" title="Peterbald">Peterbald</a></li> <li><a href="/wiki/Pixie-bob" title="Pixie-bob">Pixie-bob</a></li> <li><a href="/wiki/Ragdoll" title="Ragdoll">Ragdoll</a></li> <li><a href="/wiki/Ragamuffin_cat" title="Ragamuffin cat">Ragamuffin</a></li> <li><a href="/wiki/Russian_Blue" title="Russian Blue">Russian Blue</a></li> <li><a href="/wiki/Scottish_Fold" title="Scottish Fold">Scottish Fold</a></li> <li><a href="/wiki/Selkirk_Rex" title="Selkirk Rex">Selkirk Rex</a></li> <li><a href="/wiki/Siamese_cat" title="Siamese cat">Siamese</a></li> <li><a href="/wiki/Siberian_cat" title="Siberian cat">Siberian</a></li> <li><a href="/wiki/Singapura_cat" title="Singapura cat">Singapura</a></li> <li><a href="/wiki/Snowshoe_cat" title="Snowshoe cat">Snowshoe</a></li> <li><a href="/wiki/Somali_cat" title="Somali cat">Somali</a></li> <li><a href="/wiki/Sphynx_cat" title="Sphynx cat">Sphynx</a></li> <li><a href="/wiki/Thai_cat" title="Thai cat">Thai</a></li> <li><a href="/wiki/Traditional_Persian" title="Traditional Persian">Traditional Persian</a></li> <li><a href="/wiki/Tonkinese_cat" title="Tonkinese cat">Tonkinese</a></li> <li><a href="/wiki/Toyger" title="Toyger">Toyger</a></li> <li><a href="/wiki/Turkish_Angora" title="Turkish Angora">Turkish Angora</a></li> <li><a href="/wiki/Turkish_Van" title="Turkish Van">Turkish Van</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Hybrid</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bengal_cat" title="Bengal cat">Bengal</a></li> <li><a href="/wiki/Chausie" title="Chausie">Chausie</a></li> <li><a href="/wiki/Highlander_cat" title="Highlander cat">Highlander</a></li> <li><a href="/wiki/Savannah_cat" title="Savannah cat">Savannah</a></li> <li><a href="/wiki/Serengeti_cat" title="Serengeti cat">Serengeti</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Landrace" title="Landrace">Landraces</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aegean_cat" title="Aegean cat">Aegean</a></li> <li><a href="/wiki/Cyprus_cat" title="Cyprus cat">Cyprus</a></li> <li><a href="/wiki/Kellas_cat" title="Kellas cat">Kellas</a></li> <li><a href="/wiki/Sokoke" title="Sokoke">Sokoke</a></li> <li><a href="/wiki/Van_cat" title="Van cat">Van</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_feline_diseases" title="List of feline diseases">Diseases and<br />disorders</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Feline_acne" title="Feline acne">Acne</a></li> <li><a href="/wiki/Feline_asthma" title="Feline asthma">Asthma</a></li> <li><a href="/wiki/Feline_calicivirus" title="Feline calicivirus">Calicivirus</a></li> <li><a href="/wiki/Congenital_sensorineural_deafness_in_cats" title="Congenital sensorineural deafness in cats">Congenital sensorineural deafness</a></li> <li><a href="/wiki/Feline_corneal_sequestrum" title="Feline corneal sequestrum">Feline corneal sequestrum</a></li> <li><a href="/wiki/Cat_flea" title="Cat flea">Flea</a></li> <li><a href="/wiki/Coccidia" title="Coccidia">Coccidia</a></li> <li><a href="/wiki/Dirofilaria_immitis" title="Dirofilaria immitis">Heartworm</a></li> <li><a href="/wiki/Feline_hepatic_lipidosis" title="Feline hepatic lipidosis">Hepatic lipidosis</a></li> <li><a href="/wiki/Hypertrophic_cardiomyopathy#Related_disorders" title="Hypertrophic cardiomyopathy">Hypertrophic cardiomyopathy</a></li> <li><a href="/wiki/Feline_immunodeficiency_virus" title="Feline immunodeficiency virus">Immunodeficiency virus</a></li> <li><a href="/wiki/Feline_infectious_peritonitis" title="Feline infectious peritonitis">Infectious peritonitis</a></li> <li><a href="/wiki/Feline_leukemia_virus" title="Feline leukemia virus">Leukemia virus</a></li> <li><a href="/wiki/Feline_lower_urinary_tract_disease" title="Feline lower urinary tract disease">Lower urinary tract disease</a></li> <li><a href="/wiki/Carnivore_protoparvovirus_1" title="Carnivore protoparvovirus 1">Panleukopenia</a></li> <li><a href="/wiki/Giardiasis" title="Giardiasis">Giardiasis</a></li> <li><a href="/wiki/Polydactyl_cat" title="Polydactyl cat">Polydactyly</a></li> <li><a href="/wiki/Rabies_in_animals" title="Rabies in animals">Rabies</a></li> <li><a href="/wiki/Dermatophytosis" title="Dermatophytosis">Ringworm</a></li> <li><a href="/wiki/Tritrichomonas_foetus" title="Tritrichomonas foetus">Tritrichomonas foetus</a></li> <li><a href="/wiki/Toxocara_cati" title="Toxocara cati">Roundworm</a></li> <li><a href="/wiki/Cat_skin_disorders" title="Cat skin disorders">Skin disorders</a></li> <li><a href="/wiki/Tick" title="Tick">Tick</a></li> <li><a href="/wiki/Toxoplasmosis" title="Toxoplasmosis">Toxoplasmosis</a></li> <li><a href="/wiki/Feline_viral_rhinotracheitis" title="Feline viral rhinotracheitis">Viral rhinotracheitis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Category:Cats_by_country" title="Category:Cats by country">Cats by country</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cats_in_Australia" title="Cats in Australia">Australia</a></li> <li><a href="/wiki/Category:Cats_in_Canada" title="Category:Cats in Canada">Canada</a></li> <li><a href="/wiki/Category:Cats_in_Japan" title="Category:Cats in Japan">Japan</a></li> <li><a href="/wiki/Cats_in_New_Zealand" title="Cats in New Zealand">New Zealand</a></li> <li><a href="/wiki/Category:Cats_in_the_United_Kingdom" title="Category:Cats in the United Kingdom">United Kingdom</a></li> <li><a href="/wiki/Cats_in_the_United_States" title="Cats in the United States">United States</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_individual_cats" title="List of individual cats">List of individual cats</a></li> <li><a href="/wiki/List_of_longest-living_cats" title="List of longest-living cats">List of longest-living cats</a></li> <li><a href="/wiki/Category:Cat_folklore" title="Category:Cat folklore">Cats in folklore</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="font-weight:bold;"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a 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