進入秋季,氣候涼爽,溫度適宜,草料充足,養兔場戶又忙於給兔配種繁殖,彌補炎夏休產的損失。 但(dan)母(mu)兔(tu)不(bu)發(fa)情(qing),公(gong)兔(tu)性(xing)欲(yu)差(cha),且(qie)屢(lv)配(pei)不(bu)孕(yun)等(deng)不(bu)良(liang)現(xian)象(xiang),隨(sui)之(zhi)接(jie)踵(zhong)而(er)來(lai),這(zhe)是(shi)什(shen)麼(me)原(yuan)因(yin)?如(ru)何(he)采(cai)取(qu)措(cuo)施(shi)挽(wan)救(jiu)?這(zhe)成(cheng)為(wei)當(dang)前(qian)的(de)首(shou)要(yao)問(wen)題(ti)。現(xian)根(gen)據(ju)讀(du)者(zhe)谘(zi)詢(xun),結(jie)合(he)已(yi)有(you)經(jing)驗(yan),綜(zong)合(he)撰(zhuan)文(wen),獻(xian)計(ji)獻(xian)策(ce),供(gong)朋(peng)友(you)們(men)參(can)考(kao)。母(mu)兔(tu)不(bu)發(fa)情(qing):母(mu)兔(tu)剛(gang)剛(gang)擺(bai)脫(tuo)炎(yan)夏(xia)困(kun)擾(rao),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),尚(shang)未(wei)恢(hui)複(fu),營(ying)養(yang)供(gong)應(ying)不(bu)足(zu),阻(zu)止(zhi)被(bei)毛(mao)脫(tuo)換(huan),因(yin)而(er)亦(yi)製(zhi)約(yue)發(fa)情(qing),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(yi)16—18% 為宜,另補充 VA(每公斤體重14—20 微克)、VE(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,再用激素及其它藥物催情。其實用激素或其它藥物僅能催情,而不能促進卵泡發育,所以配種效果不太好。
gongtuxingyucha,jianzhilvpeibuyun,yugongtuxiajibuyuyouguan,yinci,xiajibuyu,yingqiujitiaoyang。gongtushouyanxiagaowencijiyingxiang,tizhifeichangxuruo,gaowantijisuoxiao,shengjingnenglijiangdi,daozhizanshixingbuyu。qihuifuzhizhengchangyouyigehuanmandeguocheng,tongchangxu 40-60 tian,shenzhihuigengchangyixie。ruguoxiajifangshujiangwensheshibudeli,meiyouyouxiaobaohu,jiuhuizhijieyingxiangqiujifanzhi,jishimutufaqing,dangongtubushi,yewusuoshishi,yincigongtuyingcaiquyumututongdengdebujiutiaoyangcuoshi,jianzhibuchongzhushudejidanhuang,meitianyimei,zaowanliangciwei,lianyong5—7 天,或煮熟的黃豆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,實踐證明,可以有效提高配種效率。
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