摘要
测定了陶赛特肉羊与4个本地绵羊品种杂种后代羊初生、3月龄、6月龄、12月龄体重,并与当地山谷藏系羊进行对比。结果表明,陶赛特肉羊杂种后代的初生重、3月龄、6月龄和12月龄体重比山谷型藏羊分别提高了0.7,9.51,12.5和9.9kg。杂种后代羊表现出较强的杂种优势,尤其是与寒藏一代的杂交效果良好。
The body weight of hybrid offsprings of Dorset mutton sheep to local four breeds of sheep at the birth, the age of three-months, sex-months and twelve-months were determined and compared with that in the local valley type of Tibetan sheep. The results showed that the body weight of hybrid offsprings of Dorset mutton sheep at the birth, the age of three-months, sex-months and twelve-months increased 0. 7,9. 51,12. 5and 9.9kg than that in valley type of Tibetan sheep , respectively. There was the strong heterosis in the hybrid offsprings and the best hybrid effect of Dorset mutton sheep to Han-Tibetan F1.
出处
《青海畜牧兽医杂志》
2009年第3期5-6,共2页
Chinese Qinghai Journal of Animal and Veterinary Sciences
关键词
陶赛特肉羊
杂种后代
体重
Dorset mutton sheep
Hybrid offstrig
Body weight