Genetic parameters and genome-wide association analysis of service sire effects on litter size and its relationship with boar semen quality in three terminal sire lines.

Abstract excerpt

BACKGROUND: Reproductive performance is key to efficient and profitable pig production. In selecting boars to enhance overall male reproductive success, the paternal genetic influence on litter size is of particular interest, in addition to semen quality improvement in terminal sire lines. Few studies have investigated the impact of service sire effects on litter size in swine. Previous models often treated the...

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