Effect of timing of insemination and estrous synchronization method on AI pregnancy rates in beef heifers

被引:0
|
作者
Dorsey, B. R. [1 ]
Hall, J. B. [1 ]
Whittier, W. D. [1 ]
Swecker, W. S. [1 ]
机构
[1] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA
关键词
heifers; estous synchronization; AI;
D O I
暂无
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
引用
收藏
页码:255 / 256
页数:2
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