AGES AT CALVING AND CALVING INTERVALS FOR DAIRY-CATTLE IN THE UNITED-STATES

被引：33
|
作者：
NIEUWHOF, GJ
POWELL, RL
NORMAN, HD
机构：
[1] UNIV MARYLAND,DEPT ANIM SCI,COLLEGE PK,MD 20742
[2] USDA ARS,BELTSVILLE AGR RES CTR,ANIM IMPROVEMENT PROGRAMS LAB,BELTSVILLE,MD 20705
来源：
JOURNAL OF DAIRY SCIENCE | 1989年 / 72卷 / 03期
关键词：
D O I：
10.3168/jds.S0022-0302(89)79160-8
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
收藏
页码：685 / 692
页数：8
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