摘要
:陕西岐山农村开展利木赞牛杂交改良秦川牛 ,已配母牛 2 2 3 0头 ,已产犊 1 0 0 0多头。犊牛初生重公犊平均 3 1 .3kg ,母犊平均为 3 0 .4kg ,分别比当地秦川牛犊牛高出2 6 .7%和 2 5.1 % ;6月龄体重公犊 1 72 .6kg,母犊 1 58.9kg ,分别比当地秦川牛高出2 2 .7%和 2 5.9%。
Crossbreeding research works of Limousin and Qinchuan Cattle were carried out in Qishan county of Shaanxi province. The results indicated that difficult parturition was not observed among 1000 heads of Qinchuan cows mated with Limousin bull. Average body weight of Crossbred F 1 at birth was 31.3 kg (♂) and 30.4 kg(♀), increased by 26.% and 25.1% than those of local Qinchuan calves, respectively. Average body weight of Crossbred F 1 at 6 months old was 172.6 kg (♂) and 158.9 kg (♀), increased by 22.7% and 25.9% than that of local Qinchuan calves, respectively.
出处
《黄牛杂志》
2000年第6期19-20,共2页
Journal of Yellow Cattle Science
基金
陕西省政府资助项目
关键词
秦川牛
杂交
体重
利木赞牛
改良
Qinchuan cattle
Improving
Body weight
Limousin
