川东白山羊小型个体与波尔山羊和南江黄羊杂交效果初探

试验研究了以波尔山羊和南江黄羊改良川东白山羊小型个体的效果，结果表明，南江黄羊和波尔山羊与本地山羊杂交均能提高本地川东白山羊的增重性能，相比之下，波尔山羊与本地山羊杂交改良的速度更为明显，其杂交后代初生重、二月龄、六月龄和十月龄分别比南江黄羊的杂交后代提高了9.00%,26.68%，58.45%和42.58%，其屠宰率和净肉率分别高出3.75%和5.15%，这说明以波尔山羊改良川东白山羊小型个体生产性能效果最佳。

The comparsion of hybrid - effect of Chuan - Dong white small - type goat with Bore goat and Nan- Jiang yellow goat

The effects of hybrid about Chuandong white small-type goat with Bore goat and Nanjiang Yellow goat was studied .The results showed ,the performance of Chuandong white small-type goat was improved by crossing with those two breeds. The improvement with Bore goat is more distinct than that with Nanjiang yellow goat. To Bore goat ,the filial generation body-weight at birth, two months old ,six months old and ten months old is higher 9.00%, 26.68%,58.48% and 42.58% than those with Nanjiang yollow goat .The dressing percent and percent of net meat of the filial generation of Bore goat is also higher 3.75% and 5.15% than those with Nanjiang yollow goat .The study illustrated that to choose Bore goat to improve the performance of Chuandong white small-type goat is feasible .