陶赛特与本地改良绵羊F1生长发育指标测定

在放牧条件下,测定陶赛特×半细毛杂种羊F1羊出生时4月龄和6月龄的生长发育指标。结果表明;F1羔羊出生重、4月龄活重和6月龄活重分别为4.01kg、21.75kg和27.24kg,较当地羊提高0.69、3.57、和4.22kg(P<0.01)。杂F1羔羊的体高、体长、胸围、胸宽、管围和尻宽均高于同龄当地羊(P<0.01)。

Determination of Growth and Development Indexes for F1 of Dorset with Native Improved Sheep

The growth and development indexes of F1 of Dorset with smifine-wool hybrid sheep were determined at the birth,the age of four months and six months under grazing condition.The results showed that the birth weight,the weight at the age of four months and the weight at the age of six months of F1 lamb were 4.01,21.75 and 27.24kg,which increased 0.69,3.57 and 4.22kg than that of native sheep,respestively(P<0.01),The withers height,body length,chest girth,chest width,cannon circumference and thurl width of F1 were better than those of contemporary native sheep(P<0.01).