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http://dx.doi.org/10.5187/JAST.2003.45.4.523

Association of Genetic Polymorphisms of Estrogen Receptor with Litter Size using PCR-RFLP in Yorkshire Swine  

Kim, J.E. (Dept. of Animal Science Faculty of Agricultural Sciences university of British Columbia 2357 Main Mall, Vancouver, BC Canada V6T IZ4)
Song, W.C. (Division of Biotechnology and Genetic Enginnering, College of Life and Environmental Sciences Korea University)
Choi, B.D. (Division of Biotechnology and Genetic Enginnering, College of Life and Environmental Sciences Korea University)
Kho, Y. (Division of Biotechnology and Genetic Enginnering, College of Life and Environmental Sciences Korea University)
Park, S.S. (Graduate School of Biotechnology, Korea university)
Hong, K.C. (Division of Biotechnology and Genetic Enginnering, College of Life and Environmental Sciences Korea University)
Publication Information
Journal of Animal Science and Technology / v.45, no.4, 2003 , pp. 523-528 More about this Journal
Abstract
This study was performed to investigate a possible association of the porcine estrogen receptor(ER) locus with the total number of born(TNB) and number of born alive(NBA) in Yorkshire pigs. Using DNAs extracted from 242 Yorkshire pigs, the ER genotype was determined by PvuII PCR-RFLP. The ER allele frequencies of two types of A and B were 0.39 and 0.61, respectively. The least squares means of the litter size by ER genotype was evaluated. The TNB and NBA were found to be associated with an specific ER allele. The genotype at the porcine ER locus has an application potential for marker-assisted selection for litter size in pigs.
Keywords
Estrogen receptor locus; RFLP; Litter size; Yorkshire pig;
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