规模化奶牛场生产性能测定影响因素分析

China Dairy Cattle(2019)

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Abstract
本试验旨在分析场、年份、季节对奶牛乳脂率、乳蛋白率、体细胞评分(SCS)的影响,使用SAS8.1软件对呼图壁奶牛场50956条生产性能测定(DHI)记录进行最小二乘方差分析.结果表明,场、年份、季节对乳脂率、乳蛋白率和体细胞评分均有极显著影响(P<0.01).
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