撒坝猪ESR和FSH-β基因多态性及其与产仔数的关联分析

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在对762头撒坝猪的ESR和FSH-β基因多态性进行检测的基础上,系统地分析了两个基因座位的基因型及其合并基因型产仔数的影响。结果表明,撒坝猪ESR基因座位的BB基因型和B等位基因的频率最高,FSH-β基因座位的AA基因型和A等位基因的频率最高。在初产胎次的产仔数上,ESR基因以AA型最多(P〈0.05或P〈0.01),FSH-β基因则以BB型最多(P〈0.05或P〈0.01),呈现显著的加性遗传效应(P〈0.05);在经产胎次的产仔数上,ESR基因以AB型最高(P〈0.05),表现出显著的显性遗传效应(
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