德国美利奴羊与酒泉土种绵羊杂交一代羊生长育肥性状观察

Germany Merino sheep and Jiuquan local sheep hybrid F1 fattening observed

利用引进的德国美利奴羊与当地土种绵羊进行杂交改良育肥试验.结果表明：德杂F1代羊的初生重、3月龄和6月龄的体重分别提高18.59％、22.15％、23.45％,均高于本地绵羊（P＜0.01）.经育肥的8～9月龄羯羊屠宰测定表明,德杂F1代的宰前活重、胴体重和净肉重分别为36.11 kg、18.72 kg和15.05 kg,均显著高于本地绵羊（P＜0.01）;屠宰率为51.84％,胴体净肉率为80.04％,眼肌面积14.68 cm2,均优于本地土种绵羊;60 d育肥期内德杂F1利润为75.1元,增收是土种绵羊的2倍.

This essay is about the introduction of German Merino sheep and local sheep crossbreeding experiment.The results show that：The F1 hybrid of German Merino sheep of birth weight,3 months and 6 months of sheep weight were increased by 18.59%,22.15%,23.45%,the frame higher than the local sheep（P〈 0.01）.By the 8-9months wether fattening measurement,the wether slaughtered showed that the F1 hybrid of German Merino sheeps liveweight,carcass weight and net meat weight is 36.11kg、18.72 kg and 15.05 kg.were significantly higher than the local sheep（P〈 0.01）.The F1 hybrid of German Merino sheep slaughter rate is 51.84%,80.04 percent of net meat rate and rib-eye area are 14.68cm2.The 60 days fattening period Germany F1 hybrid sheep profit was 75.1RMB,that income is two times for local sheep.