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China/Asia On Demand
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nai niu qu jiao fang fa
Pages: 61
Year: Issue:  11
Journal: Country Agriculture Farmer

Keyword:  防止感染 奶牛场 切割器 犊牛 自育 自繁 手术 季节 角环 速度;
Abstract: <正>大部分自繁自育的奶牛场在犊牛(l至3月龄)阶段便进行去角,时间应选在天气凉爽的季节,以防止感染。手术去角步骤:将牛固定好,尤其头部,然后持电动切割器沿距角基部3cm~5cm处将角环形切下,要求速度快,手
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