EFFECTS OF VARIOUS FACTORS ON REPRODUCTIVE EFFICIENCY

被引：30

作者：

MATSOUKAS, J ^{[1
]}

FAIRCHILD, TP ^{[1
]}

机构：

[1] UNIV NEW HAMPSHIRE,ANIM SCI DEPT,DURHAM,NH 03824

来源：

JOURNAL OF DAIRY SCIENCE | 1975年 / 58卷 / 04期

关键词：

D O I：

10.3168/jds.S0022-0302(75)84604-2

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：540 / 544

页数：5

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[3]

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[6]

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[7]

JONES IR, 1941, 395 OR AGR EXP STA B

[8]

LEWIS RC, 1950, AGR EXP STA QUART B, V32, P546

[9]

MCDANIEL BT, 1967, ARS44188 US DEP AGR

[10] SEASONAL VARIATIONS IN HOURS OF DAYLIGHT ASSOCIATED WITH FERTILITY LEVEL OF CATTLE UNDER NATURAL BREEDING CONDITIONS [J].

MERCIER, E ;

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