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Identification Of Quantitative Trait Loci Affecting Female Reproductive Traits In A Multigeneration Meishan-White Composite Swine Population, G. A. Rohrer, J. J. Ford, T. H. Wise, J. L. Vallet, R. K. Christenson
Identification Of Quantitative Trait Loci Affecting Female Reproductive Traits In A Multigeneration Meishan-White Composite Swine Population, G. A. Rohrer, J. J. Ford, T. H. Wise, J. L. Vallet, R. K. Christenson
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
A multigeneration crossbred Meishan- White composite resource population was used to identify quantitative trait loci (QTL) for age at first estrus (AP) and the components of litter size: ovulation rate (OR; number of ova released in an estrous period) and uterine capacity (UC). The population was established by reciprocally mating Meishan (ME) and White composite (WC) pigs. Resultant F1 females were mated to either ME or WC boars to produce backcross progeny (BC) of either ¾ WC ¼ ME or ¼ WC ¾ ME. To produce the next generation (F3) , ¾ WC ¼ ME animals were mated …