搜索结果: 1-1 共查到“家畜饲养管理学 herd life”相关记录1条 . 查询时间(0.078 秒)
Relationships among milk production, reproductive traits, and herd life for Tunisian Holstein-Friesian cows
Milk production reproductive traits herd life dairy cattle.
2009/3/3
The objective of this study was to link productive life of Tunisian dairy cows to their performances of milk, fat, and protein yields and fertility traits. Data included 128,652 records collected fr...