RELATIONSHIP OF AGE AT 1ST CALVING, DAYS OPEN, DAYS DRY, AND HERD-LIFE TO A PROFIT FUNCTION FOR DAIRY-CATTLE

被引：131

作者：

GILL, GS

ALLAIRE, FR

机构：

[1] OHIO STATE UNIV,DEPT DAIRY SCI,COLUMBUS,OH 43210

[2] OHIO AGR RES & DEV CTR,COLUMBUS,OH 43210

来源：

JOURNAL OF DAIRY SCIENCE | 1976年 / 59卷 / 06期

关键词：

D O I：

10.3168/jds.S0022-0302(76)84333-0

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：1131 / 1139

页数：9

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