P0114
Association Between the SNPs within TCR-Beta Gene Related Coccidiosis Resistance and Growth Performance in Chickens

So-Young Choi , Kangwon National University, Chuncheon, Korea, Republic of (South)
Sung-Jin Lee , Kangwon national university, chuncheon, Korea, Republic of (South)
Min-Wook Hong , Kangwon National University, Chuncheon, Korea, Republic of (South)
Song-Yi Yang , Kangwon national university, South Korea, Korea, Republic of (South)
Yeong Ho Hong , Chung-Ang University, Anseong, Korea, Republic of (South)
It was reported that the T cell receptor-beta (TCR-beta) gene has effects on the resistance to coccidiosis in chickens. The aim of this study was to analysis the association between the SNPs of TCR-beta and growth performance in Korean domestic chickens. Three SNPs (A88G, A434T, C561T) genotyped by high resolution melting method and the association analysis between these genotypes and body weight in 798 chickens was conducted by SPSS. The SNPs were significantly related with the chicken growth, respectively (p<0.05). It was revealed that A alleles of A88G and A434G, and T allele of C561T SNP reported as the resistance markers for coccidiosis were showed the positive effect for chicken body weight gain in the birds. These results suggest that the SNPs within the TCR-beta gene could be the genetic marker for coccidiosis resistance and body weight traits in chickens.

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