放牧条件下萨福克羊与藏羊杂交试验

Crossbreeding Experiment between Suffolk and Tibetan Sheep Under Pasturing Condition

萨福克公羊与藏母羊的杂交试验结果表明 :在高寒牧区放牧条件下 ,萨藏F1 的断奶体重和 8月龄体重均极显著高于藏羊 (P <0 .0 1) ;4月龄和 8月龄的体长、胸围、管围、尻宽、胸深、胸宽等指标均显著高于藏羊 (P <0 .0 1)。F1 表现出良好的适应能力和明显的肉用性能特点。

The experiment results of crossbreeding between Suffolk and Tibetan sheep showed that the weaning weight and the body weight of Suffolk x Tibetan F 1 at the age of eight months were very sigmificantly more than there of Tibetan sheep (P<0.01);under alpine cold pasturing condition;the body length,chest girth,cannon circumference,thurl width,chest depth and chest width of F 1 at age of four and eight monts were more than those of Tibetan sheep(P<0.01 or P<0.05).The Suffolk x Tibetan F 1 had a strongly adaptability to environment and the character of mutton type.