A study of oestrous behaviour and oestrus detection methods in a large commercial dairy herd. I. The relative efficiency of methods of oestrus detection.
作者信息
Williamson N B, Morris R S, Blood D C, Cannon C M
出版信息
Vet Rec. 1972 Jul 15;91(3):50-8. doi: 10.1136/vr.91.3.50.
PMID:5073596
Abstract
摘要
Zotero 插件