母牛难产发生情况调查

Investigation on Dystocia Incidence of Cows

本文通过对张掖市百万头肉牛基地母牛难产情况的调查,初步查明引起母牛难产主要由配种过早,饲养管理不当,母牛配种前患病,配种人员技术不熟练等因素导致,并对引起难产的发病原因进行了分析,对母牛难产的有效防治提供了预防上的依据。

The paper preliminarily investigated that the main reasons causing cow Dystocia was mating too early, improper management, illness before cow mating, unskilled technology through the survey on the cow Dystocia situations of million beef cattle base in Zhangye city. It also analyzed the pathogenesis of cau- sing Dy 1 of Dystocia.