家兔的繁殖特性 特性, 繁殖

machen

< class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">1.</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">繁殖力强：</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-comfficeffice" /><o:p></o:p></SPAN></B></P>
< class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 28pt; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">多胎多产、孕期短、成熟早（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">4-5</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个月）、全年发情产仔、发情周期</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">3-5d<o:p></o:p></FONT></SPAN></P>
< class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">2.</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">诱发性排卵（刺激性）：</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 14pt; mso-char-indent-count: 1.0"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（定义）母畜卵巢中成熟的卵子在没有性刺激的情况下，不易排出，而被机体逐渐吸收，这种与一般母畜在发情的同时伴随着排卵过程的自发排卵不同的现象。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">交配刺激后</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">10h</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">后才排卵</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">3.</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">双子宫：</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 28pt; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">有左右</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个子宫，没有子宫和子宫角之分，属于最原始的双子宫类型。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">4.</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">卵子大：</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 28pt; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">目前所知哺乳动物中最大的卵子。直径</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">160um</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（发育最快、最易培养）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">5.</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">假妊娠：</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 28pt; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">母兔受到性刺激后排卵而未受精，表现出怀孕的假象。原因：不育公兔的性刺激、母兔间的相互爬跨。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">6.</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">公兔夏季不孕：</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 28pt; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">光照、气温的综合影响，公兔*****在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">7</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">月份萎缩</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">60%</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，内分泌紊乱，食欲减退，消化吸收能力减弱。（射精量少、精子密度低、活力下降、畸形多）环境温度和光照对兔子的繁殖是一个潜在的影响因素，</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">月份公兔射精量和精子密度、活力最高，而</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">7</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">月份精子浓度和活力降低，死精子和畸形的比例增高，性欲减退。兔子喜欢短的光照，由于气温光照的综合影响，公兔的*****在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">7</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">月份缩小</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><FONT face="Times New Roman">60%</FONT></SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，内分泌系统紊乱，食欲减退，消化吸收能力减弱，易造成公兔夏季不育的现象。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p></o:p></SPAN></P>

想想

谢谢!学习了!

长风破浪

支持基础知识！对我很有用的。谢谢！