摘要:文章从147头豫南黑猪毛囊中提取基因组DNA,采用PCR—RFLP方法检测NCOA1基因在豫南黑猪中多态性分布,并分析不同基因型与繁殖性能关系。结果表明,NCOA1基因凡甜酶切多态性对母猪繁殖性能有显著影响,在总产仔数、产活仔数、出生窝重和21日龄断奶窝重上都呈现AA〉AB〉BB趋势,豫南黑猪AA型母猪平均总产仔数、产活仔数、出生窝重和21日龄断奶窝重分别是10.271头、9.786头和12.768kg、40.559kg,比BB型高1.364头、1.274头和1.401k、4.222k。在试验猪群中,A为优势等位基因,AA基因型为优势基因型。
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