南江黄羊与陕南白山羊的杂交效果

The Effect of Crossbreeding the Nanjiang Yellow Goats With the Shannan White Goats

本文总结了安康地区开展南江黄羊与陕南白山羊杂交试验的效果。统计表明 ,南江黄羊与陕南白山羊的杂交一代生长快、体格大、耐粗饲、适应性、抗病性强 ,各阶段体重均明显高于陕南白山羊 ( P<0 .0 1 )。其周岁平均体重 ( 35 .5 4± 1 .75 kg) ,全期平均日增重 ( 91 .8g)分别较陕南白山羊提高 35 .1 %和 35 .8%。其体重的杂交优势率达 2 0 .3% ,能够达到当年出栏的要求 ,且平均每只杂交一代羊较陕南白山羊经济收入增多。

The results of crossbreeding the Nenjiang Yellow Goats with she Shaannan White Goats in the Ankang area were summarized in this paper. The statistic results showed that the crossbred F 1 of the Nanjiang yellow Goats and the shaannan White Goats grew faster and were bigger, tolerated the roughage and had better adaptitility and desease resistance; the body weight during different periods was higher than the shaannan white goats apparently (P<0.01); the Yearly body weight and the average daily gain of crossbred F 1 were 35.54±1.75 kg and 91.8 g/d, which were 35.1% and 35.8% higher than the Shaannan White Goats respectively; the heterotic vigor of crossbred F 1 in body weight reached 20.3%, the body weight in the year met the market requirement and the crossbred had bigger economic benefits than the Shaannan white Goats.\;