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id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%B4%A1%E7%8C%AE" title="来自此IP地址的编辑列表[y]" accesskey="y"><span>贡献</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%AE%A8%E8%AE%BA%E9%A1%B5" title="对于来自此IP地址编辑的讨论[n]" accesskey="n"><span>讨论</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="站点"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="目录" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">目录</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">隐藏</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">序言</div> </a> </li> <li id="toc-持续时间" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#持续时间"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>持续时间</span> </div> </a> <ul id="toc-持续时间-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-不同的动物的妊娠期" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#不同的动物的妊娠期"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>不同的动物的妊娠期</span> </div> </a> <ul id="toc-不同的动物的妊娠期-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-相關條目" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#相關條目"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>相關條目</span> </div> </a> <ul id="toc-相關條目-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-參考資料" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#參考資料"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>參考資料</span> </div> </a> <ul id="toc-參考資料-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="目录" 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="开关目录" > <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">开关目录</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">妊娠期</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="前往另一种语言写成的文章。10种语言可用" > <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-10" 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">10种语言</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/%D9%82%D8%A7%D8%A6%D9%85%D8%A9_%D9%81%D8%AA%D8%B1%D8%A7%D8%AA_%D8%A7%D9%84%D8%AD%D9%85%D9%84_%D9%81%D9%8A_%D8%A7%D9%84%D8%AB%D8%AF%D9%8A%D9%8A%D8%A7%D8%AA" title="قائمة فترات الحمل في الثدييات – 阿拉伯语" lang="ar" hreflang="ar" data-title="قائمة فترات الحمل في الثدييات" data-language-autonym="العربية" data-language-local-name="阿拉伯语" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Per%C3%ADode_de_gestaci%C3%B3" title="Període de gestació – 加泰罗尼亚语" lang="ca" hreflang="ca" data-title="Període de gestació" data-language-autonym="Català" data-language-local-name="加泰罗尼亚语" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de badge-Q70894304 mw-list-item" title=""><a href="https://de.wikipedia.org/wiki/Tragezeit" title="Tragezeit – 德语" lang="de" hreflang="de" data-title="Tragezeit" data-language-autonym="Deutsch" data-language-local-name="德语" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%D8%AF%D8%AA_%D8%B2%D9%85%D8%A7%D9%86_%D8%A8%D8%A7%D8%B1%D8%AF%D8%A7%D8%B1%DB%8C_%D9%BE%D8%B3%D8%AA%D8%A7%D9%86%D8%AF%D8%A7%D8%B1%D8%A7%D9%86" title="مدت زمان بارداری پستانداران – 波斯语" lang="fa" hreflang="fa" data-title="مدت زمان بارداری پستانداران" data-language-autonym="فارسی" data-language-local-name="波斯语" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Draachtiid" title="Draachtiid – 西弗里西亚语" lang="fy" hreflang="fy" data-title="Draachtiid" data-language-autonym="Frysk" data-language-local-name="西弗里西亚语" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Tr%C3%A9imhse_iompair" title="Tréimhse iompair – 爱尔兰语" lang="ga" hreflang="ga" data-title="Tréimhse iompair" data-language-autonym="Gaeilge" data-language-local-name="爱尔兰语" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%97%E0%A4%B0%E0%A5%8D%E0%A4%AD_%E0%A4%95%E0%A4%BE%E0%A4%B2" title="गर्भ काल – 印地语" lang="hi" hreflang="hi" data-title="गर्भ काल" data-language-autonym="हिन्दी" data-language-local-name="印地语" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Me%C3%B0g%C3%B6ngut%C3%ADmi" title="Meðgöngutími – 冰岛语" lang="is" hreflang="is" data-title="Meðgöngutími" data-language-autonym="Íslenska" data-language-local-name="冰岛语" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Gr%C5%ABtniec%C4%ABbas_periods" title="Grūtniecības periods – 拉脱维亚语" lang="lv" hreflang="lv" data-title="Grūtniecības periods" data-language-autonym="Latviešu" data-language-local-name="拉脱维亚语" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Draagtijd" title="Draagtijd – 荷兰语" lang="nl" hreflang="nl" data-title="Draagtijd" data-language-autonym="Nederlands" data-language-local-name="荷兰语" class="interlanguage-link-target"><span>Nederlands</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q12912864#sitelinks-wikipedia" title="编辑跨语言链接" class="wbc-editpage">编辑链接</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="命名空间"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E5%A6%8A%E5%A8%A0%E6%9C%9F" title="浏览条目正文[c]" accesskey="c"><span>条目</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:%E5%A6%8A%E5%A8%A0%E6%9C%9F" rel="discussion" title="关于此页面的讨论[t]" accesskey="t"><span>讨论</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown " > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="更改语言变体" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">不转换</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-varlang-0" class="selected ca-variants-zh mw-list-item"><a href="/zh/%E5%A6%8A%E5%A8%A0%E6%9C%9F" lang="zh" hreflang="zh"><span>不转换</span></a></li><li id="ca-varlang-1" class="ca-variants-zh-Hans mw-list-item"><a href="/zh-hans/%E5%A6%8A%E5%A8%A0%E6%9C%9F" lang="zh-Hans" hreflang="zh-Hans"><span>简体</span></a></li><li id="ca-varlang-2" class="ca-variants-zh-Hant mw-list-item"><a href="/zh-hant/%E5%A6%8A%E5%A8%A0%E6%9C%9F" lang="zh-Hant" hreflang="zh-Hant"><span>繁體</span></a></li><li id="ca-varlang-3" class="ca-variants-zh-Hans-CN mw-list-item"><a href="/zh-cn/%E5%A6%8A%E5%A8%A0%E6%9C%9F" lang="zh-Hans-CN" hreflang="zh-Hans-CN"><span>大陆简体</span></a></li><li id="ca-varlang-4" class="ca-variants-zh-Hant-HK mw-list-item"><a href="/zh-hk/%E5%A6%8A%E5%A8%A0%E6%9C%9F" lang="zh-Hant-HK" hreflang="zh-Hant-HK"><span>香港繁體</span></a></li><li id="ca-varlang-5" class="ca-variants-zh-Hant-MO mw-list-item"><a href="/zh-mo/%E5%A6%8A%E5%A8%A0%E6%9C%9F" lang="zh-Hant-MO" hreflang="zh-Hant-MO"><span>澳門繁體</span></a></li><li id="ca-varlang-6" class="ca-variants-zh-Hans-MY mw-list-item"><a href="/zh-my/%E5%A6%8A%E5%A8%A0%E6%9C%9F" lang="zh-Hans-MY" hreflang="zh-Hans-MY"><span>大马简体</span></a></li><li id="ca-varlang-7" class="ca-variants-zh-Hans-SG mw-list-item"><a href="/zh-sg/%E5%A6%8A%E5%A8%A0%E6%9C%9F" lang="zh-Hans-SG" hreflang="zh-Hans-SG"><span>新加坡简体</span></a></li><li id="ca-varlang-8" class="ca-variants-zh-Hant-TW mw-list-item"><a href="/zh-tw/%E5%A6%8A%E5%A8%A0%E6%9C%9F" lang="zh-Hant-TW" hreflang="zh-Hant-TW"><span>臺灣正體</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="查看"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E5%A6%8A%E5%A8%A0%E6%9C%9F"><span>阅读</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E5%A6%8A%E5%A8%A0%E6%9C%9F&action=edit" title="编辑该页面[e]" accesskey="e"><span>编辑</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E5%A6%8A%E5%A8%A0%E6%9C%9F&action=history" title="本页面的早前版本。[h]" accesskey="h"><span>查看历史</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="页面工具"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="工具" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">工具</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" 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accesskey="p"><span>打印页面</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> 在其他项目中 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q12912864" title="链接到连接的数据仓库项目[g]" accesskey="g"><span>维基数据项目</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="页面工具"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="外观"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">外观</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">隐藏</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">维基百科，自由的百科全书</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="zh" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r84833064">.mw-parser-output .hatnote{font-size:small}.mw-parser-output div.hatnote{padding-left:2em;margin-bottom:0.8em;margin-top:0.8em}.mw-parser-output .hatnote-notice-img::after{content:"\202f \202f \202f \202f "}.mw-parser-output .hatnote-notice-img-small::after{content:"\202f \202f "}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}body.skin-minerva .mw-parser-output .hatnote-notice-img,body.skin-minerva .mw-parser-output .hatnote-notice-img-small{display:none}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><a href="/wiki/Wikipedia:%E6%B6%88%E6%AD%A7%E4%B9%89" title="Wikipedia:消歧义"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/25px-Disambig_gray.svg.png" decoding="async" width="25" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/38px-Disambig_gray.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/50px-Disambig_gray.svg.png 2x" data-file-width="220" data-file-height="168" /></a></span><style data-mw-deduplicate="TemplateStyles:r74069148">body:not(.skin-minerva) .mw-parser-output .ifmobile>.mobile{display:none}body.skin-minerva .mw-parser-output .ifmobile>.nomobile{display:inherit;display:initial}</style><span class="ifmobile"><span class="nomobile">  </span><span class="mobile"></span></span>此條目介紹的是雌性哺乳动物从受精至分娩的期間。关于計算懷孕週期，请见「<b><a href="/wiki/%E5%AD%95%E9%BD%A1" title="孕齡">孕齡</a></b>」。</div> <p><b>妊娠期</b>（gestational period，period of pregnancy）是指雌性<a href="/wiki/%E5%93%BA%E4%B9%B3%E5%8A%A8%E7%89%A9" title="哺乳动物">哺乳动物</a>从<a href="/wiki/%E5%8F%97%E7%B2%BE" title="受精">受精</a>至<a href="/wiki/%E5%88%86%E5%A8%A9" title="分娩">分娩</a>的这段时间。 <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>不同的动物的妊娠期是不同的。 </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="持续时间"><span id=".E6.8C.81.E7.BB.AD.E6.97.B6.E9.97.B4"></span>持续时间</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%A6%8A%E5%A8%A0%E6%9C%9F&action=edit&section=1" title="编辑章节：持续时间"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>大多数物种妊娠期的长短取决于胎儿出生时的体型。小型动物的妊娠期通常比大型动物短。 <sup id="cite_ref-britannica_2-0" class="reference"><a href="#cite_note-britannica-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> 例如，猫的妊娠期为58-65天，而大象的妊娠期为21个月<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> 可是，并非所有物种的妊娠期都取决于胎儿的体型，尤其是那些只在每年食物充足的繁殖期才生产的物种。<sup id="cite_ref-britannica_2-1" class="reference"><a href="#cite_note-britannica-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>各种其他因素也可以影响妊娠期的持续时间。对人类而言，男婴通常比女婴和多胎妊娠需要更长的妊娠期。<sup id="cite_ref-britannica_2-2" class="reference"><a href="#cite_note-britannica-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> 种族不同也可能改变妊娠期长短。<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> 狗的妊娠期愈长而产仔数愈少。<sup class="noprint Inline-Template" style="white-space:nowrap;">[<a href="/wiki/Wikipedia:%E6%A0%BC%E5%BC%8F%E6%89%8B%E5%86%8A/%E4%B8%8D%E8%A6%81%E6%A8%A1%E7%A8%9C%E5%85%A9%E5%8F%AF" title="Wikipedia:格式手冊/不要模稜兩可"><span title="需要解釋或改寫（2015年11月）">需要解释</span></a>]</sup><style data-mw-deduplicate="TemplateStyles:r83946278">.mw-parser-output .template-facttext{background-color:var(--background-color-neutral,#eaecf0);color:inherit;margin:-.3em 0;padding:.3em 0}</style><sup class="noprint Template-Fact"><a href="/wiki/Wikipedia:%E5%88%97%E6%98%8E%E6%9D%A5%E6%BA%90" title="Wikipedia:列明来源"><span style="white-space: nowrap;" title="来源请求。">[來源請求]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="不同的动物的妊娠期"><span id=".E4.B8.8D.E5.90.8C.E7.9A.84.E5.8A.A8.E7.89.A9.E7.9A.84.E5.A6.8A.E5.A8.A0.E6.9C.9F"></span>不同的动物的妊娠期</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%A6%8A%E5%A8%A0%E6%9C%9F&action=edit&section=2" title="编辑章节：不同的动物的妊娠期"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Animal_gestation_calendar_for_horses_-_cows_-_sheep_-_pigs_-1917.tiff" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Animal_gestation_calendar_for_horses_-_cows_-_sheep_-_pigs_-1917.tiff/lossy-page1-220px-Animal_gestation_calendar_for_horses_-_cows_-_sheep_-_pigs_-1917.tiff.jpg" decoding="async" width="220" height="139" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Animal_gestation_calendar_for_horses_-_cows_-_sheep_-_pigs_-1917.tiff/lossy-page1-330px-Animal_gestation_calendar_for_horses_-_cows_-_sheep_-_pigs_-1917.tiff.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/68/Animal_gestation_calendar_for_horses_-_cows_-_sheep_-_pigs_-1917.tiff/lossy-page1-440px-Animal_gestation_calendar_for_horses_-_cows_-_sheep_-_pigs_-1917.tiff.jpg 2x" data-file-width="538" data-file-height="339" /></a><figcaption>1917年的动物妊娠起日历。</figcaption></figure> <table class="wikitable sortable"> <tbody><tr> <th><a href="/wiki/%E5%93%BA%E4%B9%B3%E5%8A%A8%E7%89%A9" title="哺乳动物">哺乳动物</a> </th> <th data-sort-type="number">妊娠期（天） </th></tr> <tr> <td><a href="/wiki/%E7%BE%8A%E9%A9%BC" title="羊驼">羊驼</a></td> <td style="text-align: right;">335-366<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><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> </td></tr> <tr> <td><a href="/wiki/%E7%8B%92%E7%8B%92" class="mw-redirect" title="狒狒">狒狒</a></td> <td style="text-align: right;">187 </td></tr> <tr> <td><a href="/wiki/%E7%BE%8E%E6%B4%B2%E9%BB%91%E7%86%8A" title="美洲黑熊">美洲黑熊</a></td> <td style="text-align: right;">220 <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> </td></tr> <tr> <td><a href="/wiki/%E7%81%B0%E7%86%8A" title="灰熊">灰熊</a></td> <td style="text-align: right;">215 </td></tr> <tr> <td><a href="/wiki/%E5%8C%97%E6%9E%81%E7%86%8A" class="mw-redirect" title="北极熊">北极熊</a></td> <td style="text-align: right;">241 </td></tr> <tr> <td><a href="/wiki/%E7%BE%8E%E6%B4%B2%E9%87%8E%E7%89%9B" title="美洲野牛">美洲野牛</a></td> <td style="text-align: right;">217 </td></tr> <tr> <td><a href="/wiki/%E5%8F%8C%E5%B3%B0%E9%A9%BC" class="mw-redirect" title="双峰驼">双峰驼</a></td> <td style="text-align: right;">360-420 </td></tr> <tr> <td><a href="/wiki/%E7%8C%AB" title="猫">猫</a></td> <td style="text-align: right;">58–67, 平均64 </td></tr> <tr> <td><a href="/wiki/%E9%BB%91%E7%8C%A9%E7%8C%A9" title="黑猩猩">黑猩猩</a></td> <td style="text-align: right;">230–250 </td></tr> <tr> <td><a href="/wiki/%E5%8D%97%E7%BE%8E%E6%B4%B2%E6%A0%97%E9%BC%A0" class="mw-redirect" title="南美洲栗鼠">南美洲栗鼠</a></td> <td style="text-align: right;">105–115 <sup id="cite_ref-A.Rijnberk,_F.J_2005_8-0" class="reference"><a href="#cite_note-A.Rijnberk,_F.J_2005-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/%E8%8A%B1%E6%A0%97%E9%BC%A0" title="花栗鼠">花栗鼠</a></td> <td style="text-align: right;">31 </td></tr> <tr> <td><a href="/wiki/%E5%A5%B6%E7%89%9B" class="mw-redirect" title="奶牛">奶牛</a></td> <td style="text-align: right;">279–292 </td></tr> <tr> <td><a href="/wiki/%E7%99%BD%E5%B0%BE%E9%B9%BF" title="白尾鹿">白尾鹿</a></td> <td style="text-align: right;">201 </td></tr> <tr> <td><a href="/wiki/%E7%8B%97" class="mw-redirect" title="狗">狗</a></td> <td style="text-align: right;">58–65, 平均61 </td></tr> <tr> <td><a href="/wiki/%E9%A9%B4" title="驴">驴</a></td> <td style="text-align: right;">365 </td></tr> <tr> <td><a href="/wiki/%E6%B5%B7%E8%B1%A1" title="海象">海象</a></td> <td style="text-align: right;">456 </td></tr> <tr> <td><a href="/wiki/%E4%BA%9A%E6%B4%B2%E8%B1%A1" title="亚洲象">亚洲象</a></td> <td style="text-align: right;">617 </td></tr> <tr> <td><a href="/wiki/%E9%9D%9E%E6%B4%B2%E8%B1%A1" title="非洲象">非洲象</a></td> <td style="text-align: right;">645 </td></tr> <tr> <td><a href="/wiki/%E9%BA%8B%E9%B9%BF" title="麋鹿">麋鹿</a></td> <td style="text-align: right;">240–250 </td></tr> <tr> <td><a href="/wiki/%E6%AD%90%E6%B4%B2%E6%B0%B4%E9%BC%AC" title="歐洲水鼬">欧洲水鼬</a></td> <td style="text-align: right;">38-76 <sup id="cite_ref-A.Rijnberk,_F.J_2005_8-1" class="reference"><a href="#cite_note-A.Rijnberk,_F.J_2005-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/%E7%99%BD%E9%BC%AC" title="白鼬">白鼬</a></td> <td style="text-align: right;">41-42 <sup id="cite_ref-A.Rijnberk,_F.J_2005_8-2" class="reference"><a href="#cite_note-A.Rijnberk,_F.J_2005-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/%E8%B5%A4%E7%8B%90" title="赤狐">赤狐</a></td> <td style="text-align: right;">52 </td></tr> <tr> <td><a href="/wiki/%E6%B2%99%E9%BC%A0" title="沙鼠">沙鼠</a></td> <td style="text-align: right;">22-26 <sup id="cite_ref-A.Rijnberk,_F.J_2005_8-3" class="reference"><a href="#cite_note-A.Rijnberk,_F.J_2005-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/%E9%95%BF%E9%A2%88%E9%B9%BF" title="长颈鹿">长颈鹿</a></td> <td style="text-align: right;">420–450 </td></tr> <tr> <td><a href="/wiki/%E5%B1%B1%E7%BE%8A" class="mw-redirect" title="山羊">山羊</a></td> <td style="text-align: right;">145–155 </td></tr> <tr> <td><a href="/wiki/%E5%A4%A7%E7%8C%A9%E7%8C%A9" title="大猩猩">大猩猩</a></td> <td style="text-align: right;">255-260 </td></tr> <tr> <td><a href="/wiki/%E8%B1%9A%E9%BC%A0" title="豚鼠">豚鼠</a></td> <td style="text-align: right;">56-74 <sup id="cite_ref-A.Rijnberk,_F.J_2005_8-4" class="reference"><a href="#cite_note-A.Rijnberk,_F.J_2005-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/%E4%BB%93%E9%BC%A0" title="仓鼠">仓鼠</a></td> <td style="text-align: right;">16-23 </td></tr> <tr> <td><a href="/wiki/%E6%B2%B3%E9%A9%AC" title="河马">河马</a></td> <td style="text-align: right;">225–250 </td></tr> <tr> <td><a href="/wiki/%E9%A9%AC" title="马">马</a></td> <td style="text-align: right;">330–342 </td></tr> <tr> <td><a href="/wiki/%E4%BA%BA" title="人">人</a></td> <td style="text-align: right;">259-280 </td></tr> <tr> <td><a href="/wiki/%E8%A2%8B%E9%BC%A0" title="袋鼠">袋鼠</a></td> <td style="text-align: right;">42 </td></tr> <tr> <td><a href="/wiki/%E8%B1%B9" title="豹">豹</a></td> <td style="text-align: right;">92–95 </td></tr> <tr> <td><a href="/wiki/%E7%8B%AE" title="狮">狮</a></td> <td style="text-align: right;">108 </td></tr> <tr> <td><a href="/wiki/%E7%BE%8E%E6%B4%B2%E9%A9%BC" title="美洲驼">美洲驼</a></td> <td style="text-align: right;">330 </td></tr> <tr> <td><a href="/wiki/%E8%B2%82" class="mw-redirect" title="貂">貂</a></td> <td style="text-align: right;">40–75 </td></tr> <tr> <td><a href="/wiki/%E6%81%92%E6%B2%B3%E7%8C%B4" class="mw-redirect" title="恒河猴">恒河猴</a></td> <td style="text-align: right;">164 </td></tr> <tr> <td><a href="/wiki/%E9%A9%BC%E9%B9%BF" class="mw-redirect" title="驼鹿">驼鹿</a></td> <td style="text-align: right;">240–250 </td></tr> <tr> <td><a href="/wiki/%E5%B0%8F%E9%BC%A0" class="mw-redirect" title="小鼠">小鼠</a></td> <td style="text-align: right;">19 </td></tr> <tr> <td><a href="/wiki/%E7%94%B0%E9%BC%A0" title="田鼠">田鼠</a></td> <td style="text-align: right;">21 </td></tr> <tr> <td><a href="/wiki/%E9%BA%9D%E9%BC%A0" title="麝鼠">麝鼠</a></td> <td style="text-align: right;">28–30 </td></tr> <tr> <td><a href="/wiki/%E5%8C%97%E7%BE%8E%E8%B4%9F%E9%BC%A0" class="mw-redirect" title="北美负鼠">北美负鼠</a></td> <td style="text-align: right;">12–13 </td></tr> <tr> <td><a href="/wiki/%E6%B0%B4%E7%8D%BA" title="水獺">水獭</a></td> <td style="text-align: right;">60-86 </td></tr> <tr> <td><a href="/wiki/%E5%AE%B6%E7%8C%AA" class="mw-redirect" title="家猪">家猪</a></td> <td style="text-align: right;">114–116<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> </td></tr> <tr> <td><a href="/wiki/%E8%B1%AA%E7%8C%AA" class="mw-redirect" title="豪猪">豪猪</a></td> <td style="text-align: right;">210 </td></tr> <tr> <td><a href="/wiki/%E7%BE%8E%E6%B4%B2%E7%8B%AE" title="美洲狮">美洲狮</a></td> <td style="text-align: right;">90 </td></tr> <tr> <td><a href="/wiki/%E5%AE%B6%E5%85%94" title="家兔">家兔</a></td> <td style="text-align: right;">28–35, 平均31-32 <sup id="cite_ref-A.Rijnberk,_F.J_2005_8-5" class="reference"><a href="#cite_note-A.Rijnberk,_F.J_2005-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/%E6%B5%A3%E7%86%8A" title="浣熊">浣熊</a></td> <td style="text-align: right;">63 </td></tr> <tr> <td><a href="/wiki/%E5%A4%A7%E9%BC%A0" class="mw-redirect" title="大鼠">大鼠</a></td> <td style="text-align: right;">21-23 <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> </td></tr> <tr> <td><a href="/wiki/%E9%BB%91%E7%8A%80%E7%89%9B" class="mw-redirect" title="黑犀牛">黑犀牛</a></td> <td style="text-align: right;">450 </td></tr> <tr> <td><a href="/wiki/%E6%B5%B7%E8%B1%B9" title="海豹">海豹</a></td> <td style="text-align: right;">330 </td></tr> <tr> <td><a href="/wiki/%E5%8A%A0%E5%B7%9E%E6%B5%B7%E7%8D%85" title="加州海獅">加州海狮</a></td> <td style="text-align: right;">350 </td></tr> <tr> <td><a href="/wiki/%E7%BB%B5%E7%BE%8A" class="mw-redirect" title="绵羊">绵羊</a></td> <td style="text-align: right;">144–151 </td></tr> <tr> <td><a href="/wiki/%E7%81%B0%E6%9D%BE%E9%BC%A0" title="灰松鼠">灰松鼠</a></td> <td style="text-align: right;">30–40 </td></tr> <tr> <td><a href="/wiki/%E8%99%8E" title="虎">虎</a></td> <td style="text-align: right;">105–113 </td></tr> <tr> <td><a href="/wiki/%E6%8A%B9%E9%A6%99%E9%B2%B8" title="抹香鲸">抹香鲸</a></td> <td style="text-align: right;">480–590 </td></tr> <tr> <td><a href="/wiki/%E7%8B%BC" title="狼">狼</a></td> <td style="text-align: right;">60–68 </td></tr> <tr> <td><a href="/wiki/%E6%AF%9B%E9%BC%BB%E8%A2%8B%E7%86%8A" title="毛鼻袋熊">毛鼻袋熊</a></td> <td style="text-align: right;">26–28 </td></tr> <tr> <td><a href="/w/index.php?title=%E6%A0%BC%E5%85%B0%E7%89%B9%E6%96%91%E9%A9%AC&action=edit&redlink=1" class="new" title="格兰特斑马（页面不存在）">格兰特氏斑马</a></td> <td style="text-align: right;">361-390 </td></tr> </tbody></table> <div class="mw-heading mw-heading2"><h2 id="相關條目"><span id=".E7.9B.B8.E9.97.9C.E6.A2.9D.E7.9B.AE"></span>相關條目</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%A6%8A%E5%A8%A0%E6%9C%9F&action=edit&section=3" title="编辑章节：相關條目"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="ilh-all" data-orig-title="哺乳动物的妊娠" data-lang-code="en" data-lang-name="英语" data-foreign-title="Pregnancy (mammals)"><span class="ilh-page"><a href="/w/index.php?title=%E5%93%BA%E4%B9%B3%E5%8A%A8%E7%89%A9%E7%9A%84%E5%A6%8A%E5%A8%A0&action=edit&redlink=1" class="new" title="哺乳动物的妊娠（页面不存在）">哺乳动物的妊娠</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Pregnancy_(mammals)" class="extiw" title="en:Pregnancy (mammals)"><span lang="en" dir="auto">Pregnancy (mammals)</span></a></span>）</span></span></li> <li><a href="/wiki/%E6%80%80%E5%AD%95" class="mw-redirect" title="怀孕">怀孕</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="參考資料"><span id=".E5.8F.83.E8.80.83.E8.B3.87.E6.96.99"></span>參考資料</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%A6%8A%E5%A8%A0%E6%9C%9F&action=edit&section=4" title="编辑章节：參考資料"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <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"><cite class="citation web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20131113061449/http://www.accessscience.com/abstract.aspx?id=288400&referURL=http%3a%2f%2fwww.accessscience.com%2fcontent.aspx%3fid%3d288400">Gestation period</a>. McGraw-Hill's AccessScience Encyclopedia of Science & Technology Online. McGraw-Hill. <span class="reference-accessdate"> [<span class="nowrap">2015-11-21</span>]</span>. （<a rel="nofollow" class="external text" href="http://www.accessscience.com/abstract.aspx?id=288400&referURL=http%3a%2f%2fwww.accessscience.com%2fcontent.aspx%3fid%3d288400">原始内容</a>存档于2013-11-13）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%A6%8A%E5%A8%A0%E6%9C%9F&rft.atitle=Gestation+period&rft.genre=unknown&rft.jtitle=McGraw-Hill%27s+AccessScience+Encyclopedia+of+Science+%26+Technology+Online&rft_id=http%3A%2F%2Fwww.accessscience.com%2Fabstract.aspx%3Fid%3D288400%26referURL%3Dhttp%253a%252f%252fwww.accessscience.com%252fcontent.aspx%253fid%253d288400&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-britannica-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-britannica_2-0"><sup><b>2.0</b></sup></a> <a href="#cite_ref-britannica_2-1"><sup><b>2.1</b></sup></a> <a href="#cite_ref-britannica_2-2"><sup><b>2.2</b></sup></a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://www.britannica.com/EBchecked/topic/232124/gestation">gestation</a>. Britannica - The Online Encyclopedia. Encyclopædia Britannica. <span class="reference-accessdate"> [<span class="nowrap">2015-11-21</span>]</span>. （原始内容<a rel="nofollow" class="external text" href="https://web.archive.org/web/20150318223858/http://www.britannica.com/EBchecked/topic/232124/gestation">存档</a>于2015-03-18）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%A6%8A%E5%A8%A0%E6%9C%9F&rft.atitle=gestation&rft.genre=unknown&rft.jtitle=Britannica+-+The+Online+Encyclopedia&rft_id=http%3A%2F%2Fwww.britannica.com%2FEBchecked%2Ftopic%2F232124%2Fgestation&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.webcitation.org/5kwpsKDKF?url=http://encarta.msn.com/media_701500881/average_animal_gestation_periods_and_incubation_times.html">Average Animal Gestation Periods and Incubation Times</a>. MSN Encarta. Microsoft. <span class="reference-accessdate"> [<span class="nowrap">2015-11-21</span>]</span>. （<a rel="nofollow" class="external text" href="https://encarta.msn.com/media_701500881/average_animal_gestation_periods_and_incubation_times.html">原始内容</a>存档于2009-11-01）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%A6%8A%E5%A8%A0%E6%9C%9F&rft.atitle=Average+Animal+Gestation+Periods+and+Incubation+Times&rft.genre=unknown&rft.jtitle=MSN+Encarta&rft_id=http%3A%2F%2Fencarta.msn.com%2Fmedia_701500881%2Faverage_animal_gestation_periods_and_incubation_times.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></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"><cite class="citation web"><a rel="nofollow" class="external text" href="http://ije.oxfordjournals.org/cgi/content/full/33/1/107">Does gestation vary by ethnic group? A London-based study of over 122000 pregnancies with spontaneous of labour</a>. International Journal of Epidemiology. <span class="reference-accessdate"> [<span class="nowrap">2015-11-21</span>]</span>. （原始内容<a rel="nofollow" class="external text" href="https://web.archive.org/web/20100811064225/http://ije.oxfordjournals.org/cgi/content/full/33/1/107">存档</a>于2010-08-11）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%A6%8A%E5%A8%A0%E6%9C%9F&rft.atitle=Does+gestation+vary+by+ethnic+group%3F+A+London-based+study+of+over+122000+pregnancies+with+spontaneous+of+labour&rft.genre=unknown&rft.jtitle=International+Journal+of+Epidemiology&rft_id=http%3A%2F%2Fije.oxfordjournals.org%2Fcgi%2Fcontent%2Ffull%2F33%2F1%2F107&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><cite class="citation web">Paris Hill Farm. <a rel="nofollow" class="external text" href="http://www.parrishillfarm.com/alpacas101.shtml">Alpacas 101</a>. <span class="reference-accessdate"> [<span class="nowrap">2012-07-14</span>]</span>. （原始内容<a rel="nofollow" class="external text" href="https://web.archive.org/web/20120611091858/http://www.parrishillfarm.com/alpacas101.shtml">存档</a>于2012-06-11）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%A6%8A%E5%A8%A0%E6%9C%9F&rft.au=Paris+Hill+Farm&rft.btitle=Alpacas+101&rft.genre=unknown&rft_id=http%3A%2F%2Fwww.parrishillfarm.com%2Falpacas101.shtml&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></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"><cite class="citation web">Northwest Alpacas. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120721011914/http://www.alpacas.com/QnA/Breeding.aspx">Alpaca Q&A</a>. <span class="reference-accessdate"> [<span class="nowrap">2012-07-14</span>]</span>. （<a rel="nofollow" class="external text" href="http://www.alpacas.com/QnA/Breeding.aspx">原始内容</a>存档于2012-07-21）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%A6%8A%E5%A8%A0%E6%9C%9F&rft.au=Northwest+Alpacas&rft.btitle=Alpaca+Q%26A&rft.genre=unknown&rft_id=http%3A%2F%2Fwww.alpacas.com%2FQnA%2FBreeding.aspx&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></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"><cite class="citation web">University of Michigan. <a rel="nofollow" class="external text" href="http://animaldiversity.ummz.umich.edu/accounts/Ursus_americanus/">Ursus Americanus</a>. <span class="reference-accessdate"> [<span class="nowrap">2013-01-16</span>]</span>. （原始内容<a rel="nofollow" class="external text" href="https://web.archive.org/web/20121104075258/http://animaldiversity.ummz.umich.edu/accounts/Ursus_americanus/">存档</a>于2012-11-04）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%A6%8A%E5%A8%A0%E6%9C%9F&rft.au=University+of+Michigan&rft.btitle=Ursus+Americanus&rft.genre=unknown&rft_id=http%3A%2F%2Fanimaldiversity.ummz.umich.edu%2Faccounts%2FUrsus_americanus%2F&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-A.Rijnberk,_F.J_2005-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-A.Rijnberk,_F.J_2005_8-0"><sup><b>8.0</b></sup></a> <a href="#cite_ref-A.Rijnberk,_F.J_2005_8-1"><sup><b>8.1</b></sup></a> <a href="#cite_ref-A.Rijnberk,_F.J_2005_8-2"><sup><b>8.2</b></sup></a> <a href="#cite_ref-A.Rijnberk,_F.J_2005_8-3"><sup><b>8.3</b></sup></a> <a href="#cite_ref-A.Rijnberk,_F.J_2005_8-4"><sup><b>8.4</b></sup></a> <a href="#cite_ref-A.Rijnberk,_F.J_2005_8-5"><sup><b>8.5</b></sup></a></span> <span class="reference-text">Anamnese en lichamelijk onderzoek bij gezelschapsdieren, A.Rijnberk, F.J.van Sluis, 2nd print, Bohn Stafleu van Loghum, 2005, (Current Dutch veterinary examination study book for small domestic mammals)</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">Botaya, Emilio Magallón. <i>Husbandry and Management Practices in Farrowing Units: Farrowing. I</i>. Grupo Asís Biomedia, 2014.</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text">The Laboratory Rat , 2nd Edition, Eds. Mark A. Sucklow, Steven H. Weisbroth, and Craig L. Franklin. Page 151.</span> </li> </ol></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">检索自“<a dir="ltr" href="https://zh.wikipedia.org/w/index.php?title=妊娠期&oldid=82637194">https://zh.wikipedia.org/w/index.php?title=妊娠期&oldid=82637194</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:%E9%A1%B5%E9%9D%A2%E5%88%86%E7%B1%BB" title="Special:页面分类">分类</a>：<ul><li><a href="/wiki/Category:%E7%94%A2%E7%A7%91%E5%AD%B8" title="Category:產科學">產科學</a></li><li><a href="/wiki/Category:%E5%93%BA%E4%B9%B3%E5%8B%95%E7%89%A9%E7%94%9F%E6%AE%96" title="Category:哺乳動物生殖">哺乳動物生殖</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">隐藏分类：<ul><li><a 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