IMMEDIATE EFFECTS OF CHANGING HERD SIZE UPON MILK-PRODUCTION AND OTHER DAIRY-HERD IMPROVEMENT MEASURES OF MANAGEMENT

被引：4

作者：

BROWN, CA ^{[1
]}

WHITE, JM ^{[1
]}

机构：

[1] VIRGINIA POLYTECH INST & STATE UNIV,DEPT DAIRY SCI,BLACKSBURG,VA 24061

来源：

JOURNAL OF DAIRY SCIENCE | 1973年 / 56卷 / 06期

关键词：

D O I：

10.3168/jds.S0022-0302(73)85252-X

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：799 / 804

页数：6

共 14 条

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[2]

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[4]

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DAVIS, RF ;

PLOWMAN, RD .

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[7] ESTIMATIONS OF CERTAIN ENVIRONMENTAL INFLUENCES ON MILK PRODUCTION BASED UPON DAIRY HERD IMPROVEMENT ASSOCIATION DATA [J].

MCKINNEY, WH ;

WELCH, HK ;

FOSGATE, OT .

JOURNAL OF DAIRY SCIENCE, 1965, 48 (03) :361-+

[8] DAIRY HERD IMPROVEMENT ASSOCIATION YEARLY HERD AVERAGES .2. PREDICTING INCOME OVER FEED COST [J].

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[9] DAIRY HERD IMPROVEMENT ASSOCIATION HERD AVERAGES .3. CHARACTERISTICS OF HERDS AT DIFFERENT PRODUCTION LEVELS [J].

MILLER, RH .

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[10]

MILLER RH, 1968, ARS44205 DAIR HERD I

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