为探索牦牛（Bos grunniens）杂交后代（犏牛）雄性不育的分子机制,比较了牦牛及其杂交后代睾丸中两种精蛋白（Prm）基因的表达。从成年牦牛（n=1......

Primers based upon the mitochondrial genome sequences of Bos taurus were used to amplify and sequence the complete mitoc......

Selecting 6 heads of new yak strains(the offspring of reciprocal cross of F1 produced by wild yak male mated with domest......