VARIATIONS IN REMOVAL REASONS AND CULLING RATES WITH AGE FOR DAIRY FEMALES

被引：59

作者：

ALLAIRE, FR

STERWERF, HE

LUDWICK, TM

机构：

[1] OHIO STATE UNIV,DEPT DAIRY SCI,COLUMBUS,OH 43210

[2] OHIO AGR RES & DEV CTR,COLUMBUS,OH 43210

来源：

JOURNAL OF DAIRY SCIENCE | 1977年 / 60卷 / 02期

关键词：

D O I：

10.3168/jds.S0022-0302(77)83862-9

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：254 / 267

页数：14

共 14 条

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[6] RELATIONSHIPS AMONG HERD LIFE MILK PRODUCTION AND CALVING INTERVAL [J].

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[7]

O'CONNOR L. K., 1963, ANIM PROD, V5, P165

[8] REASONS FOR DISPOSAL OF DAIRY COWS FROM NEW YORK HERDS [J].

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[9]

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[10]

RENDEL J. M., 1950, EMPIRE JOUR EXPTL AGRIC, V18, P49

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