德系西门塔尔牛与奶牛杂交效果观察
Henan journal of animal husbandry and veterinary medicine（2015）
Abstract
为观察德系西门塔尔牛的杂交效果,用德系西门塔尔牛对荷斯坦奶牛进行人工授精,对杂交F1代牛的外貌特征、生长发育等进行观察.F1代牛具有耐粗饲、发病低、生长速度快、适应性强等优点,经济效益明显,适合推广.
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