在(zai)各(ge)種(zhong)家(jia)畜(chu)中(zhong),牛(niu)難(nan)產(chan)較(jiao)為(wei)多(duo)見(jian)。這(zhe)是(shi)因(yin)為(wei)牛(niu)的(de)骨(gu)盆(pen)軸(zhou)比(bi)較(jiao)彎(wan)曲(qu),不(bu)利(li)於(yu)胎(tai)兒(er)通(tong)過(guo)。此(ci)外(wai),胎(tai)兒(er)過(guo)大(da),胎(tai)兒(er)姿(zi)勢(shi)不(bu)正(zheng),胎(tai)位(wei)不(bu)正(zheng)都(dou)會(hui)導(dao)致(zhi)母(mu)牛(niu)難(nan)產(chan)。一(yi)旦(dan)發(fa)生(sheng)難(nan)產(chan),極(ji)易(yi)引(yin)起(qi)犢(du)牛(niu)死(si)亡(wang),也(ye)常(chang)危(wei)及(ji)母(mu)牛(niu)生(sheng)命(ming)。
預防措施:一yi是shi不bu要yao給gei青qing年nian母mu牛niu配pei種zhong過guo早zao,以yi免mian在zai分fen娩mian時shi因yin骨gu盆pen狹xia窄zhai等deng情qing況kuang造zao成cheng難nan產chan。二er是shi在zai母mu牛niu妊ren娠shen期qi間jian,要yao保bao證zheng供gong足zu胎tai兒er和he母mu牛niu的de營ying養yang需xu要yao。三san是shi要yao讓rang妊ren娠shen母mu牛niu適shi當dang運yun動dong,以yi利li於yu分fen娩mian時shi胎tai兒er的de轉zhuan位wei。適shi當dang運yun動dong還hai可ke防fang止zhi胎tai衣yi不bu下xia以yi及ji子zi宮gong複fu位wei不bu全quan等deng疾ji病bing。四si是shi臨lin產chan時shi對dui分fen娩mian正zheng常chang與yu否fou要yao作zuo出chu早zao期qi診zhen斷duan。從cong母mu牛niu開kai始shi努nu責ze到dao胎tai膜mo露lu出chu或huo排pai出chu胎tai水shui期qi間jian進jin行xing檢jian查zha。羊yang膜mo未wei破po時shi,隔ge著zhe羊yang膜mo(不要過早撕破)檢查;yangmoyiposhi,shenruyangmoqiangchuzhentaier,ruguomodaotaiershizhengsheng,qianzhibuweizhengchang,takeziranmianchu。ruguofaxiantaierfanchang,jiuyinglijijiaozheng,bimiannanchan。
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