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Correlation Analysis on early Productivity of Milk and 305 Days' Milk Production of Holsteins
Author(s): 
Pages: 37-38
Year: Issue:  1
Journal: CHINA DAIRY CATTLE

Keyword:  奶牛早期产奶性能305天产奶量相关分析;
Abstract: 利用SPSS统计分析软件对乌鲁木齐农垦乳业集团五一奶牛场1989~1996年894头次奶牛产犊胎次、产犊年份、90天产奶量、最高日单产与305天产奶量的相关分析,建立回归方程,进行显著性检验,结果均极显著(p<0.01).
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