搜索结果: 1-1 共查到“家畜繁殖学 Calf”相关记录1条 . 查询时间(0.031 秒)
EVALUATION OF CROSSBRED CALF AND COW TYPES; SUBJECTIVE TRAITS
Brangus Gelbvieh crossbreeding multinomial data
2010/11/30
Data in this experiment consisted of birth weight, calving score, thickness and grade records of 600 crossbred calves. Angus, Brangus, and Gelbvieh sires were mated to purebred Hereford cows. Yearling...