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?
mutubufaqing。mutuzaoshouyanxiakunrao,gangyibaituo,youruqiumaotuohuanqi,jiazhitizhishuairuo,yinerfaqinghuishoudaozhiyue。yinci,yingjiaqiangguanli,zengjiayingyang,tigaodanbaishuiping,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14小(xiao)時(shi)左(zuo)右(you),白(bai)天(tian)不(bu)足(zu)晚(wan)上(shang)補(bu),並(bing)輔(fu)以(yi)人(ren)工(gong)梳(shu)理(li)被(bei)毛(mao),幫(bang)助(zhu)脫(tuo)換(huan)促(cu)進(jin)再(zai)生(sheng)。一(yi)般(ban)情(qing)況(kuang),換(huan)毛(mao)結(jie)束(shu),待(dai)體(ti)況(kuang)恢(hui)複(fu)後(hou),即(ji)會(hui)自(zi)然(ran)發(fa)情(qing),否(fou)則(ze)再(zai)結(jie)合(he)人(ren)工(gong)催(cui)情(qing),如(ru)互(hu)換(huan)籠(long)位(wei)、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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