新疆石河子地区规模化奶牛场牛群结构的调查分析

Animals Breeding and Feed(2022)

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Abstract
通过调查新疆石河子地区4个规模化奶牛场的牛群结构、配种妊娠、死亡淘汰的数据,科学分析在奶牛养殖生产中,牛群结构对奶牛场利润效益的影响.结果发现,4个规模化奶牛场成年母牛和青年母牛的平均妊娠率为63.86%、64.67%,相比正常的妊娠率(成年母牛80%、青年母牛90%),分别低16.14%和25.33%.死亡淘汰率28.4%,基本属于较高的死淘范围.规模化奶牛场盈利困难,整体养殖水平都较低.
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