家兔秋繁常出現母兔不發情、公兔性欲差、屢配不孕等問題,原因是什麼?怎麼解決呢?
母mu兔tu不bu發fa情qing。母mu兔tu遭zao受shou炎yan夏xia困kun擾rao,剛gang一yi擺bai脫tuo,又you入ru秋qiu毛mao脫tuo換huan期qi,加jia之zhi體ti質zhi衰shuai弱ruo,因yin而er發fa情qing會hui受shou到dao製zhi約yue。因yin此ci,應ying加jia強qiang管guan理li,增zeng加jia營ying養yang,提ti高gao蛋dan白bai水shui平ping,以yi16%~18%為宜,另補充維生素A(每公斤體重14~20微克)、維生素E(每公斤體重0.5毫克)、蛋氨酸、胱氨酸(50公斤飼料另加100克)、魚粉3%、蠶蛹粉2.5%等,同時增加光照時間,一般應達14xiaoshizuoyou,baitianbuzuwanshangbu,bingfuyirengongshulibeimao,bangzhutuohuancujinzaisheng。yibanqingkuang,huanmaojieshu,daitikuanghuifuhou,jihuiziranfaqing,fouzezaijieherengongcuiqing,ruhuhuanlongwei、按摩、挑逗、塗藥等,萬不得已,再用激素及其他藥物催情。其實用激素及其他藥物催情,並不能促進卵泡發育,所以配種效果不太好。
gongtuxingyucha。yugongtuxiajibuyuyouguan,yinci,xiajibuyu,yingqiujitiaoyang。gongtushouyanxiagaowencijiyingxiang,tizhiyidushuairuo,gaowantijisuoxiao,shengjingnenglijiangdi,daozhizanshixingbuyu。qihuifuzhizhengchangyouyigehuanmandeguocheng,tongchangxu40~60tian,shenzhihuigengchangyixie。ruguoxiajifangshujiangwensheshibudeli,meiyouyouxiaobaohu,jiuhuizhijieyingxiangqiujifanzhi,jishimutufaqing,dangongtubushi,yewufapeizhong。yinci,gongtuyingtongyangcaiquyumututongdengdebujiutiaoyangcuoshi,jianzhibuchongzhushudejidanhuang,meitianyimei,zaowanliangciwei,lianyong5~7天,或者煮熟的黃豆10~20粒。另外,配種時應采取複配或重配法,即一隻公兔交配後,過2~4小時再用同一公兔或另一公兔交配一次,可有效提高配種率。
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