EFFECTS OF TWINNING ON REPRODUCTIVE EFFICIENCY IN A HOLSTEIN-FRIESIAN HERD

被引：47

作者：

ERB, RE

MORRISON, RA

机构：

来源：

关键词：

D O I：

10.3168/jds.S0022-0302(59)90604-6

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：512 / 519

页数：8

共 22 条

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[2]

CHAPMAN AB, 1938, P AM SOC ANIM PROD, P303

[3]

CLAPP H., 1934, Cornell Veterinarian, V24, P309

[4]

CLONINGER WH, 1957, J DAIRY SCI, V40, P630

[5]

ERB R. E., 1958, JOUR AMER VET MED ASSOC, V133, P489

[6] ESTRUS AFTER CONCEPTION IN A HERD OF HOLSTEIN-FRIESIAN CATTLE [J].

ERB, RE ;

MORRISON, RA .

ERB, RE ;

HOLTZ, EW .

[8] EFFECT OF MUMMIFIED FETUSES ON THE PROLIFICACY OF HOLSTEINS [J].

ERB, RE ;

MORRISON, RA .

[9]

ERB RE, 1958, WASHINGTON AGR EXPT, V583

[10]

ERB RE, 1954, 35TH P ANN M WEST DI