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Study on Suitable Generation of Upgrading in Simmental Grossbred Using Linear Model
Author(s): 
Pages: 34-35
Year: Issue:  4
Journal: CHINA DAIRY CATTLE

Keyword:  西门塔尔牛杂交代次线性模型;
Abstract: 利用最小二乘线性模型对西门塔尔杂种母牛各杂交代次的产奶量及其产犊效果进行评估,确定了在丰定县饲养条件下的西门塔尔杂种母牛适宜级进杂交代数为3代,从而为西门塔尔母牛产奶和产犊的综合利用,以及西门塔尔牛的杂交改良奠定了理论基础.
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