COMPARISON OF MATES OF SIRES USED ARTIFICIALLY AND NATURALLY IN MICHIGAN DHIA HOLSTEIN HERDS

被引:7
作者
BEAL, VC
MADDEN, DE
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D O I
10.3168/jds.S0022-0302(59)90567-3
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:315 / 318
页数:4
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RENDEL, JM .
JOURNAL OF AGRICULTURAL SCIENCE, 1954, 44 (02) :184-192
[2]  
SNEDECOR GW, 1946, STATISTICAL METHODS
[3]  
WADELL LH, 1957, THESIS MICHIGAN STAT