数字农科院2.0

京海黄鸡MC4R基因多态性及其与生长性能的关联分析

文献类型： 中文期刊

作者： 陶勇;李国辉;王金玉;胡玉萍;张根喜;陈宽维

作者机构：

关键词： 京海黄鸡;MC4R基因;PCR-SSCP;生长性状

期刊名称：中国家禽

ISSN： 1004-6364

年卷期： 2008 年 30 卷 05 期

页码： 21-23

收录情况： 北大核心

摘要： 研究以140只京海黄鸡为试验材料,以MC4R为候选基因,采用PCR-SSCP和DNA测序技术分析了MC4R基因在京海黄鸡群体中的多态性。结果表明:MC4R基因编辑区第662bp处有G→C碱基的点突变,在京海黄鸡中检测到AA、AB、BB3种基因型,A等位基因的频率为0.929,B等位基因的频率为0.071。经过基因型与生长性能的关联分析得知:不同基因型与京海黄鸡4、8、12周龄体重差异显著(P<0.05),与16周龄体重差异极显著(P<0.01)。由此推测,MC4R基因可能对于鸡生长性能具有很大的影响或与控制生长性能的主基因连锁。

分类号： S831

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