SOME CAUSES OF VARIATION IN POST-PARTUM REPRODUCTIVE ACTIVITY IN HEREFORD COWS

被引:17
作者
FOOTE, WD
HAUSER, ER
CASIDA, LE
机构
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D O I
10.2527/jas1960.191238x
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
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页码:238 / 241
页数:4
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[2]   REPEATABILITY, HERITABILITY AND THE EFFECT OF LEVEL OF MILK PRODUCTION ON THE OCCURRENCE OF 1ST ESTRUS AFTER CALVING IN DAIRY CATTLE [J].
OLDS, D ;
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JOURNAL OF ANIMAL SCIENCE, 1953, 12 (01) :10-14
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