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微卫星标记与猪部分肉质性状相关分析

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摘要 选取位于猪1、4、6号染色体上的15个微卫星座位,以湘黄猪、湘黄×长白×大白(黄长大)、大白×大围子(大围)、大围子等猪群为研究材料,进行了微卫星标记与部分肉质性状的相关性研究。微卫星座位的群体遗传学特性分析表明,各座位等位基因数在2~8个之间,平均等位基因数为5.33个;杂合度在0.504~0.839之间,平均杂合度为0.756;多态信息含量在0.375~0.808之间,平均多态信息含量为0.705。微卫星座位基因型间方差分析结果表明,微卫星ESTMS1与失水率呈极显著相关,SW1841与失水率呈显著相关;ESTMS1与熟肉率呈显著相关;SW286与水分呈显著相关;ESTMS1与粗蛋白质呈极显著相关,SW752与粗蛋白质呈显著相关;SW1311、SW1462与肌内脂肪呈极显著相关,SW871与肌内脂肪呈显著相关。其他微卫星座位未达到显著水平。
出处 《养猪》 2010年第6期30-32,共3页 Swine Production
基金 湖南省科技厅重大专项(05NK1001-01)
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