陶寒F1羊和小尾寒羊生长发育的观察

采用随机抽样方法,对规模养殖户不同月龄陶寒F1和小尾寒羊羔羊进行生长性能测定。结果表明：在放牧加补饲的条件下进行生长发育测定，陶寒F1平均初生体高比小尾寒羊提高14.49%（P＜0.01）。4月龄体重、体高、体斜长和胸围陶寒F1分别比小尾寒羊提高9.26%、12.81%、10.68%、9.77%（P＜0.01）。6月龄陶寒F1体重比小尾寒羊提高23.11%（P＜0.01），体尺指标差异均不显著。平均日增重比小尾寒羊提高44.41%（P＜0.01）。

The Comparison of Growth of Small Tailed Han Sheep and F1 of Poll Dorset and Small Tailed Han Sheep

Small Tailed Han Sheep and F1 of Poll Dorset and Small Tailed Han Sheep in different month age were selected randomly to make comparison between their growth performances.The result showed,under the same feeding condition,the birth body height of F1 sheep is obviously higher than Small Tailed Han Sheep by 14.49%(P<0.01);The body weight,body height,body length and chest girth of F1 sheep are dominantly higher than Small Tailed Han Sheep at the fourth month after birth respectively by 9.26%,12.81%,10.68%,9.77%(P<0.01);As to the 6-month-age sheep,the body weight of F1 sheep is higher than Small Tailed Han sheep by 23.11%(P<0.01),and average daily gain of F1 sheep is higher than Small Tailed Han Sheep by 44.41%,while there is no obvious difference in body measurements between them.