[Sources of environmental variation affecting the milk production and the parturition interval in Holstein cows]
1989
Ortiz Ortiz, J.R.
AGROVOC关键词
书目信息
页码
100 p.
其它主题
Zone temperee; Elevage intensif
语言
西班牙语; 卡斯蒂利亚语
注释
12 graphs; 21 tables; 67 ref; Summary (Es) *Colegio de Postgraduados Montecillo, Mex. (Mexico)
类型
Thesis; Summary; Non-Conventional
团体作者
Colegio de Postgraduados, Montecillo (Mexico). Centro de Ganaderia
1992-08-15
AGRIS AP