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：

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

页码：747 / 756

页数：10

共 36 条

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