THEORETICAL ASPECTS OF CULLING AND SELECTION IN DAIRY-CATTLE

被引：11

作者：

HILL, WG

机构：

来源：

LIVESTOCK PRODUCTION SCIENCE | 1980年 / 7卷 / 03期

关键词：

D O I：

10.1016/0301-6226(80)90109-8

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：213 / 224

页数：12

共 14 条

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BICHARD, M .

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[2] THEORETICAL ASPECTS OF CULLING AND SELECTION IN DAIRY-CATTLE [J].

HILL, WG .

LIVESTOCK PRODUCTION SCIENCE, 1980, 7 (03) :213-224

[3] SOME OPTIMUM SELECTION STRATEGIES AND AGE STRUCTURES WITH OVERLAPPING GENERATIONS [J].

HOPKINS, IR ;

JAMES, JW .

ANIMAL PRODUCTION, 1977, 25 (OCT) :111-132

[4] ECONOMIC EVALUATION OF REPLACEMENT RATES IN DAIRY HERDS .2. SELECTION OF COWS DURING THE 1ST LACTATION [J].

KORVER, S ;

RENKEMA, JA .

LIVESTOCK PRODUCTION SCIENCE, 1979, 6 (01) :29-37

[5]

MCARTHUR A T G, 1973, Proceedings of the New Zealand Society of Animal Production, V33, P141

[6] EFFECT OF FEMALE CULLING AND AGE DISTRIBUTION OF DAIRY-HERD ON PROFITABILITY [J].

PEARSON, RE ;

FREEMAN, AE .

JOURNAL OF DAIRY SCIENCE, 1973, 56 (11) :1459-1471

[7]

REDMAN JC, 1969, 1 U KENT AGR EXP STN

[8]

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

[9] ECONOMIC EVALUATION OF REPLACEMENT RATES IN DAIRY HERDS .1. REDUCTION OF REPLACEMENT RATES THROUGH IMPROVED HEALTH [J].

RENKEMA, JA ;

STELWAGEN, J .

LIVESTOCK PRODUCTION SCIENCE, 1979, 6 (01) :15-27

[10]

SMITH BJ, 1971, 745 U FLOR AGR EXP S

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