广东小耳花猪新品系主要繁殖性能遗传参数估计

Pigs and Poultry(2019)

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Abstract
为对广东小耳花猪新品系繁殖性能选育提供遗传参数数据支撑,本研究采用多性状动物模型对广东小耳花猪新品系2548窝总产仔数、产活仔数及产死胎数遗传力及性状间的遗传相关、表型相关进行估计.结果表明,广东小耳花猪新品系总产仔数、产活仔数和产死胎数的遗传力分别为0.16、0.16和0.09;总产仔数与产活仔数的遗传相关为0.92、表型相关为0.83;产死胎数与总产仔数、产活仔数遗传相关分别为0.41和-0.03,表型相关分别为0.38和-0.16.
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