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Issue:
nai niu qu jiao fang fa
Pages:
61
Year:
2010
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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