波尔山羊及其杂交改良后代体重变异研究

STUDY ON BODY WEIGHT VARIATION OF BOER GOAT AND ITS UPGRADED OFFSPRING

利用SPSS10 0统计分析软件 ,对秦皇岛市波尔山羊繁育改良研究中心 1998～ 2 0 0 1年育种记录的体重资料进行了统计分析。结果表明 ,波尔山羊及其与唐山奶山羊的级进杂交后代之间各年龄阶段的体重均存在显著差异 ;提高了本地山羊的生产性能 ;级进杂交在二三代即可进行横交固定试验 ;90～ 12

The body weight of Boer goats recorded in Qinhuangdao Boer Goat Crossbreeding and Improving Research Center was analyzed using SPSS10 0 The results showed that there were marked differences in body weight among Boer, F 1, F 2 and F 3 at different ages Production performance of native goats was improved Mating experiments between individuals of F 2 and F 3 could be carried out The growth and development rate of F 2 at 90 and 240 days came up to those of Boer goat