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Utilization of commercial female data in maternal genetic improvement programs

机译:利用母体遗传改善计划中的商业女性数据

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Maternal performance is encompassed in several of the key profitability drivers in commercial swine units. Purebred breeders and commercial breeding stock companies strive ro improve reproductive performance in their maternal lines through genetic selection programs implemented in their nucleus herds. Maternal breeds or lines are crossed at the multiplication level to maximize heterosis in the resulting parent-stock female. The genes of genetically superior animals are passed to the multiplication level and ultimately the commercial level as quickly as possible to reduce genetic lag.
机译:母性业绩包括在商业猪单元中的几个主要盈利司机中。纯种育种者和商业养殖股份公司努力通过在其核群中实施的遗传选择计划来提高其母体线的生殖性能。母体品种或线在繁殖水平上交叉,以最大化所得父母股的杂种优势。基因上优异的动物的基因被传递到繁殖水平,最终尽快尽快降低遗传滞后。

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