欧拉型藏羊生长发育规律的研究

对欧拉型藏羊从初生到18月龄不同月龄体重、体尺的测定和分析表明，欧拉型藏羊在自然放牧、无补饲条件下，早期生长发育快，肉用体型较明显，10月龄体重接近40kg；6月龄后日增重随着月龄的增长呈递减趋势，10月龄以前生长发育性别间无显著差异；10月龄以后进入枯草季节，其生长发育基本处于停滞状态；18月龄时，公羊体重明显大于母羊，这与公羊在冬春季有少量补饲有直接关系。

Study on Growth and Development Regulation of Tibetan Sheep with Oura-Type

Determination and analysis of body weight and body size of Tibetan sheep with Oura-type(Oura sheep)at different month age from birth to 18 month-age showed that Oura sheep grew fast in early age with obvious meat-using body type under condition of natureal grazing and no supplementary feeding.Body weight reached to 40kg at the age 10 moths,after 6 moth-age the increasing of body weight gradually reduced.There was not significant difference between growth in male and female before 10 month-age.After 10 month-age,The growth and development of Oura sheep basically was in stagnate,stage in season of withered grass.The body weight of male sheep was obviously more than that of female sheep at age of 18 months which related with a few supplementary feeding for male.