中文摘要：

研究了安义瓦灰鸡IGF-1基因的多态性,检测到该基因第1外显子有1处突变,表现为3种基因型,其中AA基因型的频率最高,BB基因型的频率最低,A等位基因的频率远高于B。多态信息含量分析表明,该位点属于中度多态位点。

英文摘要：

The polymorphism of IGF-1 gene in Anyi tile -like gray chicken was studied.One mutation in the first exon of IGF-1 gene was found, which showed three genotypes.AA genotype was the most common, whereas BB genotype was the least popular.The gene frequency of A allele was significantly higher than that of B allele .Analysis of polymorphism information content showed that the locus belonged to intermediate polymorphism locus .