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KMID : 1025520030450040523
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Journal of Animal Science and Technology
2003 Volume.45 No. 4 p.523 ~ p.528
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Association of Genetic Polymorphisms of Estrogen Receptor with Litter Size using PCR-RFLP in Yorkshire Swine
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김지은/Kim, J. E.
송원철/최봉도/고용/박성수/홍기창/Song, W. C./Choi, B. D./Kho, Y./Park, S. S./Hong, K. C.
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Abstract
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This study was performed to investigate a possible association of the poreine 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 Pvu Ⅱ 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.
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