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Analysis of Factors Influencing Calving Interval of Holstein in Xinjiang
Author(s): 
Pages: 30-32
Year: Issue:  10
Journal: China Dairy Cattle

Abstract: 为了探讨各种因素对新疆地区荷斯坦牛产犊间隔的影响,本文采用SAS8.1软件对影响产犊间隔的因素进行最小二乘方差分析.不同场地对产犊间隔的影响不显著(P>0.05);不同胎次对产犊间隔有显著的影响(P<0.05).产犊间隔随胎次增加有延长的趋势;不同产犊季节对产犊间隔有极显著的影响(P<0.01),冬春季节的产犊间隔明显高于夏秋季节;不同产奶量对产犊间隔有极显著的影响(P<0.01),产犊间隔随着产...
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