BIASES IN MODIFIED CONTEMPORARY COMPARISONS DUE TO YEAR OF CALVING

被引：4

作者：

NORMAN, HD

CASSELL, BG

POWELL, RL

机构：

来源：

JOURNAL OF DAIRY SCIENCE | 1978年 / 61卷 / 01期

关键词：

D O I：

10.3168/jds.S0022-0302(78)83558-9

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：109 / 113

页数：5

共 10 条

[1] MODIFIED CONTEMPORARY COMPARISON AS A PREDICTOR FOR FUTURE DAUGHTERS [J].

CASSELL, BG ;

NORMAN, HD .

JOURNAL OF DAIRY SCIENCE, 1977, 60 (07) :1152-1162

[2] STABILITY OF PROOFS FOR HOLSTEIN BULLS SAMPLED UNDER LIMITED AND MULTI-HERD CONDITIONS [J].

CASSELL, BG ;

LOSEE, EA ;

NORMAN, HD ;

DICKINSON, FN .

JOURNAL OF DAIRY SCIENCE, 1976, 59 (12) :2095-2103

[3]

Dickinson F. N., 1976, United States Department of Agriculture, Agricultural Research Service Production Research Report, P18

[4]

EVERETT RW, 1973, PROBLEMS HERDMATE CO

[5]

KEOWN JF, 1976, HOARDS DAIRYMAN, V121, P984

[6] VARIATION IN GENETIC MERIT OF SIRES OF HERDMATES OF FIRST LACTATION COWS [J].

MCDANIEL, BT ;

NORMAN, HD ;

DICKINSON, FN .

JOURNAL OF DAIRY SCIENCE, 1974, 57 (10) :1234-1244

[7] MODIFIED CONTEMPORARY AND HERDMATE COMPARISONS IN SIRE SUMMARY [J].

NORMAN, HD ;

POWELL, RL ;

DICKINSON, FN .

JOURNAL OF DAIRY SCIENCE, 1976, 59 (12) :2155-2161

[8] REGRESSION OF DAUGHTER AND HERDMATE MILK YIELD ON GENETIC VALUE OF HERDMATES SIRES [J].

NORMAN, HD ;

MCDANIEL, BT ;

DICKINSON, FN .

JOURNAL OF DAIRY SCIENCE, 1972, 55 (12) :1735-1740

[9] BIAS OF SIRE EVALUATIONS FOR NATURAL SERVICE SIRES AND AGE OF SIRE [J].

ROTHSCHILD, MF ;

HENDERSON, CR ;

EVERETT, RW .

JOURNAL OF DAIRY SCIENCE, 1976, 59 (12) :2091-2094

[10]

1975, ARS44161 US DEP AGR

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