【摘要】 对安徽白山羊及其二元杂交 (波×安 ,萨×安 )、三元杂交 (波×萨×安 ,马×萨×安 )和级进杂交 (波×波×安 )的生长发育性能进行了研究。结果表明 ,无论是二元杂交、三元杂交还是级进杂交 ,都能提高安徽白山羊的生长发育速度。二元杂交和三元杂交组合在 6月龄前生长较快 ,6月龄后变慢 ;级进杂交在 8月龄前生长发育较快 ,8月龄后生长发育速度变慢。随着波尔山羊基因含量的增加 ,生长发育速度加快。更多还原

【Abstract】 The growth characters of Anhui White goats,two way crossbreeding (B×A and S×A),three way(B×S×A and M×S×A)and grading crossbreeding(B×B×A)were studied.The results showed as follows:(1)The growth rates of two way,three way and grading crossbreeds were higher than that of Anhui White.(2)The goats of two way and three way crossbreeds could grow quickly before 6 monthes old,but slowly after then.The growth rate of grading crossbred didnt become slow until 8 monthes old.(3)Along with the bloodline content of boer was added,the growth rate of crossbreeds was increased.更多还原