EFFECTIVENESS OF AN AGE HERD-LEVEL ADJUSTMENT PROCEDURE FOR MILK AND FAT YIELD

被引:4
作者
LEE, AJ
HICKMAN, CG
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10.3168/jds.S0022-0302(70)86318-4
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S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
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页码:913 / &
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