杂交繁育在奶牛生产中的应用与探讨

被引：4

作者：

王婷 ^{[1
]}

初芹 ^{[2
]}

刘林 ^{[1
]}

王雅春 ^{[1
]}

张沅 ^{[1
]}

机构：

[1] 中国农业大学动物科技学院

[2] 北京市农林科学院畜牧兽医研究所

来源：

中国畜牧杂志 | 2010年 / 46卷 / 03期

关键词：

杂交; 杂种优势; 经济性状; 奶牛;

D O I：

暂无

中图分类号：

S823.2 [];

学科分类号：

090501 ;

摘要：

在奶牛业长期发展和选育过程中,对奶牛单产的片面追求,导致奶成分比例降低,牛群健康、繁殖等次级性状下降。因此提高群体的综合生产性能及经济效益已成为目前奶牛生产的首要问题。杂交繁育能够结合不同品种的优点、利用杂种优势,提高奶牛群总体经济效益,因而备受奶牛业的关注。本文从不同重要经济性状角度介绍了奶业发达国家对奶牛杂交繁育的研究结果,并探讨了奶牛杂交繁育体系在我国的应用。

引用

页码：53 / 57

页数：5

共 9 条

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