南德温肉牛杂交改良效果测定  

Determination of Improved-crossing Effect of South Devon

作　　者：辛梅英 

机构地区：[1]甘肃省甘南州畜牧科学研究所,甘南747000

出　　处：《青海畜牧兽医杂志》2010年第1期16-17,共2页Chinese Qinghai Journal of Animal and Veterinary Sciences

摘　　要：用南德温牛(细管冻精)授配甘南州舟曲县当地黄牛,测定其后代体尺、体重等主要生长发育指标。结果表明:南德温×当地黄牛组犊牛初生、六月龄、12月龄的体尺、体重明显高于当地黄牛组。南德温作为父本改良当地黄牛,效果非常明显,可以作为舟曲县及类似生态环境的地区黄牛改良中推广应用。The native yellow - cattle in Zhouqu county of Gannan prefecture was inseminated by straw freeze - semen of south Deven and the main growth and development indexes such body size, body weight and so on were determinated for they crossing offsprings. The results showed that the body size and body weight of crossing offspring at the birth, the age of sex months and the age of twelve months were significantly more than those of native yellow - cattle, There was the very obvious effect of improved native yellowcattle with South Devon as paternity,The improving native yellow -cattle with South Devon as paternity should be spreaded in Zhouqu county and the region of similar ecological environment.

关 键 词：南德温 杂交改良 生长发育指标 

分 类 号：S858.23[农业科学—临床兽医学]