SEASONAL VARIATIONS IN HOURS OF DAYLIGHT ASSOCIATED WITH FERTILITY LEVEL OF CATTLE UNDER NATURAL BREEDING CONDITIONS

被引：44
作者：
MERCIER, E
SALISBURY, GW
机构：
来源：
JOURNAL OF DAIRY SCIENCE | 1947年 / 30卷 / 10期
关键词：
D O I：
10.3168/jds.S0022-0302(47)92395-3
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：747 / 756
页数：10
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