1.注意選種和合理配種
嚴格按選種要求選擇符合種用的公、母兔,要防止近交,公母兔保持適當的比例。一般商品兔場和農戶,公母比例為1:8~1:10,種兔場純繁以1:5~1:6適宜。在配種時要注意公兔的配種強度,合理安排公兔的配種次數。
2.加強配種公母兔的營養
從配種前兩周起到整個配種期,公母兔都應加強營養,尤其是蛋白質和維生素的供給要充足。
3.適時配種
包括安排適時配種季節和配種時間。雖然兔可以四季繁殖產仔,但盛夏氣候炎熱,多有“夏季不孕”現象發生,即公兔性欲降低,精液品質下降,母兔多數不願接受交配,即使配上,產弱仔、sitaiyejiaoduo。fanzhiyibanbuyizaishengxiaji,chunqiuliangjishifanzhidehaojijie,dongjirengkequdejiaohaodexiaoguo,danxuzhuyifanghanbaowen。shishipeizhong,chuanpaihaojijiewai,mutufaqingqineihaiyaoxuanzezuijiapeizhongshiqi,jifaqingzhongqi,yinbudahonghuozhehanshuiliangduo、特別濕潤時配種。
4.人工催情
在實際生產中遇到有些母兔長期不發情,拒絕交配而影響繁殖,除加強飼養管理外,還可采用激素、性誘等人工催情方法。激素催情可用孕馬血清促性腺激素等誘導段情,促排卵素3號對促使母兔發情、排卵也有較好效果。性誘催情對長期不發情或拒絕配種的母兔,可采用關養或將母兔放入公兔籠內,讓其追、爬胯後捉回母兔,經2~3次後就能誘發母兔分泌性激素,促使其發情、排卵。
5.重複配種和雙重配種
zhongfupeizhongshizhidiyicipeizhonghou,zaiyongtongyizhigongtuzhongpei。zhongfupeizhongkezengjiashoujingjihui,tigaoshoutailvhefangzhijiayun,youqishichangshijianweipeiguozhongdegongtu,bixushixingzhongfupeizhong。zheleigongtudiyicishechudejingyezhong,sijingzijiaoduo。shuangzhongpeizhongshizhidiyicipeizhonghouzaiyonglingyizhigongtujiaopei,shuangzhongpeizhongzhishiyiyushangpintushengchan,buyiyongyuzhongtushengchan,yifangnonghunxueyuan。shuangzhongpeizhongkebimianyingongtuyuanyineryinqidebuyun,kemingxiantigaoshoutailvhechanzaishu。zaishishizhongxuzhuyi,yaodengdiyizhigongtuqiweixiaoshihouzaiyulingyizhigongtujiaopei,fouze,yinmutushenshangyouqitagongtudeqiweierkenengyinqidouou,budanbunengshunlipeizhong,haikenengyaoshangmutu。
6.配種後及時檢胎,減少空懷。
7.正確采取頻密繁殖法
頻密繁殖又稱“配血窩”或“血配”,jimutuzaichanzaidangtianhuodiertianjiupeizhong,miruyuhuaiyuntongshijinxing。caiyongcifa,fanzhisudukuai,danyouyuburuhehuaiyuntongshijinxing,yisunhuaimututikuang,zhongtuliyongnianxiansuoduan,zirantaotailvgao,xuyaolianghaodesiyangguanliheyingyangshuiping。yinci,caiyongpinmifanzhishengchanshangpintu,yidingyaoyongyouzhidesiliaomanzumutuhezaitudeyingyangxuyao,jiaqiangsiyangguanli,duimutudingqichengzhong,yidanfaxiantizhongmingxianjianqingshi,jiutingzhixuepei。zaishengchanzhong,yinggenjumututikuang、飼養條件,將頻密繁殖、半頻密繁殖(產後7~14天配種)和延期繁殖(斷奶後再配種)三種方法交替采用。
8.創造良好的環境,保持適當的光照強度和光照時間
做好保胎接產工作,懷孕期間不喂黴爛變質、冰凍和打過農藥的飼料,防止驚擾,不讓母兔受到驚嚇,以免引起流產。
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