摘要
2002年互助县引进蓝白花牛细管冻精对青海黄牛进行改良,2003年产蓝杂牛133头。据测定,杂种牛初生重平均为37.51kg,青海黄牛初生重15.00kg,相对提高150.60%;6月龄体重为133.82kg,比同龄青海黄牛提高148.27%;12月龄体重为262.27kg,比同龄青海黄牛提高185.70%。杂种牛表现出了较强的杂种优势,杂交效果显著。
The straw frozen semen of Blue-White bear cattle introduced into Huzhu county was used to improve Qinghai yellow cattle in 2002. The 133 crossbreeding cattle of Qinghai yellow cattle crossed with Blue-White bear cattle were reproduced in 2003. The average birth weight of crossbreeding cattle was 37.51kg, and increased 150.60% than that of Qinghai yellow cattle （15.00kg）. The body weight at the age of six and twelve months of crossbreeding catthe was 133.82kg and 262.27kg, and increased 148.27% and 185.70% than that of contemporary Qinghai yellow cattle resp. There was a sighificant crossbreeding effect and move strong hybrid vigor expressed in the crossbreeding cattle.
出处
《青海畜牧兽医杂志》
2005年第6期4-5,共2页
Chinese Qinghai Journal of Animal and Veterinary Sciences
关键词
蓝白花
肉牛
杂交改良
青海黄牛
Blue-White beef cattle
Crossbreeding and improvement
Qinghai yellow cattle
