SURVIVAL RATE OF DAIRY-COWS AS INFLUENCED BY HERD PRODUCTION LEVEL, AGE AT 1ST CALVING, AND SIRE

被引：14

|

作者：

SYRSTAD, O

机构：

来源：

ACTA AGRICULTURAE SCANDINAVICA | 1979年 / 29卷 / 01期

关键词：

D O I：

10.1080/00015127909435207

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

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页码：42 / 44

页数：3

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