Abstract
This investigation was done to analyze the polymorphism of 5 SNPs in candidate genes associated with reproductive performance in crossbred pig population by PCR-RFLP. The results revealed that out of 5 SNPs genotyped, 2 were polymorphic and 3 were monomorphic. Genotypic frequency of crossbred pigs were CC (100%) for ESR1; GG (21%), GT 65%) and TT (14%) for Prei3; CC (100%) for FSHβ; AA (100%) for OPN and CC (21%), CT (63%) and TT (16%) for CDK20 SNPs, respectively. Allelic frequencies for these SNPs {ESR1 (c.1227C>T), Prei3 (T802G), FSHβ (c.930A>G), OPN (c.425G>A) and CDK20 (T96C)} were 1.00 (C), 0.53 and 0.47 (G/T), 1.00 (C), 1.00 (A) and 0.52 and 0.48 (C/T), respectively. The least squares analysis revealed that both polymorphic SNPs had non-significant effect on litter traits. The values of PIC, heterozygosity and allelic diversity indicated that crossbred population under investigation was of intermediate diversity for both polymorphic SNP loci.
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