{"meta":{"id":"https:\/\/api.iclient.ifeng.com\/ipadtestdoc?aid=ucms_7wKZ9uaLEVH","type":"doc","o":"1","documentId":"ucms_7wKZ9uaLEVH"},"body":{"newStatus":"1","documentId":"ucms_7wKZ9uaLEVH","staticId":"ucms_7wKZ9uaLEVH","title":"养兔技术|四季家兔的繁殖特点","shareTitle":"养兔技术|四季家兔的繁殖特点","thumbnail":"http:\/\/d.ifengimg.com\/w150_h106_q100\/x0.ifengimg.com\/ucms\/2020_19\/4EB9967B769D4F7FE6ACA3CAB90155CCE746EF7C_w640_h359.jpg","source":"毛氏部落","author":"","editorcode":"weMedia","editTime":"2020-05-09 11:23:53","updateTime":"2020\/05\/09 11:23:53","wapurl":"http:\/\/\/\/feng.ifeng.com\/c\/7wKZ9uaLEVH","introduction":"","wwwurl":"http:\/\/\/\/feng.ifeng.com\/c\/7wKZ9uaLEVH","commentsUrl":"ucms_7wKZ9uaLEVH","commentCount":0,"text":"
1、春季繁殖特点<\/p>
春季气候温和,饲草丰富,公兔性欲旺盛,母兔配种受胎率高,是肉兔配种繁殖的好季节。公兔在春季的射精量和精子密度最高,母兔发情率高达80%以上,情期配种受胎率高达90%左右,平均窝产仔7~8只。所以饲养户要抓住这一有利时机,搞好繁殖工作。但是,我国南方由于春季正值雨季,湿度过大,仔兔易患病,故繁殖时一定要做好防湿和防病工作。<\/p>
<\/p>
2、夏季繁殖特点<\/p>
夏季气候炎热,高温多湿,肉兔食欲减退,体质较弱,性机能不强,配种受胎率低,产仔少。夏季公兔精子活力下降,密度降低,畸形精子数量增加。母兔的发情率只有20%~40%,受胎率为30%~40%,平均每窝产仔数为3~5只,而且成活率也很低。若母兔在夏季体况较好又有遮阴防暑条件,温度低于32℃的地区,仍可适当安排配种繁殖。<\/p>
<\/p>
3、秋季繁殖特点<\/p>
秋季气候温和,饲料充足并且营养丰富,公、母兔体质开始恢复,性欲渐趋旺盛,母兔受胎率高,产仔数多,是肉兔繁殖的好季节。9~11月时公兔性欲旺盛,精子活力增加密度增大。母兔发情率为80%左右,配种受胎率为65%左右,平均窝产仔6~7只。秋季是肉兔换毛季节,营养消耗大,对配种繁殖有影响,但要加强饲养管理就可避免。公兔因夏季休闲后可能会出现暂时性不育,所以首次配种必须进行复配。<\/p>
<\/p>
4、冬季繁殖特点<\/p>
冬季气温较低,青绿饲料缺乏,营养水平下降,种兔体质瘦弱,母兔发情不正常,配种受胎率较低,仔兔如无保温设备极易冻死。公兔一般在12月至第二年的2月,性欲不强,精子活力、密度正常。母兔发情率为60%~70%,配种受胎率为50%~60%,平均窝产仔6~7只。但是冬季如有丰富的饲料,又有良好的保暖条件,仍可获得较好的繁殖效果。<\/p>","img":[{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/B9DF8DE4143547D53BC3441C5C91AD65D8B8FC78_size39_w640_h434.jpeg","size":{"width":"640","height":"434"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/7582DE5AA18AD8938C9E13ADE0BA40C1CEAF8F5A_size44_w640_h438.jpeg","size":{"width":"640","height":"438"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/B2A043B356DC7AAA1328020B63E94FC62687296E_size50_w640_h400.jpeg","size":{"width":"640","height":"400"}}],"summary":"1、春季繁殖特点春季气候温和,饲草丰富,公兔性欲旺盛,母兔配种受胎率高,是肉兔配种繁殖的好季节。公兔在春季的射精量和精子密度最高,母兔发情率高达80%以上,情期","sharesummary":"1、春季繁殖特点春季气候温和,饲草丰富,公兔性欲旺盛,母兔配种受胎率高,是肉兔配种繁殖的好季节。公兔在春季的射精量和精子密度最高,母兔发情率高达80%以上,情期","commentType":"0","wemediaEAccountId":"1370496","showclient":"0","shareurl":"https:\/\/ishare.ifeng.com\/c\/s\/v002gmxMeIb3mXW4fdWkkAaZ1CfgJY0rnHDC9ZSr--xBUtuI__","praise":"3","like_num":"3"}}