摘要
引进努比亚种公羊与本地萨能山羊进行杂交改良试验,得出,努比亚杂交山羊组合的产羔总数高于本地羊组合,且成活率较努比亚组合高29.4%。杂交羔羊3月龄内日增重较努比亚山羊组合高2.31%。且杂交羔羊不同阶段体重及日增重均高于本地山羊指标。
The introduction of Nubia goats and local Saanen goats were tested for crossbreeding improvement.The results showed that the total number of lambs of the Nubia crossbred goat combination was higher than that of the native goat combination,and the survival rate was 29.4%higher than that of the Nubia combination.The daily gain of crossbred lambs was 2.31%higher than that of Nubia goat combination within 3 months of age.In addition,the body weight and daily gain of crossbred lambs at different stages were higher than those of local goats.
作者
李卫东
马永国
唐春霞
LI Wei-dong;MA Yong-guo;TANG Chun-xia(Animal Husbandry Technology Promotion Station of Gansu Province,Dingxi Gansu 743000,China)
出处
《畜牧兽医杂志》
2022年第4期1-2,5,共3页
Journal of Animal Science and Veterinary Medicine
关键词
杂交
生产性能
观测
crossbred
production performance
observation
