ẢNH HƯỞNG CỦA ĐA HÌNH GEN PIT1 ĐẾN TÍNH TRẠNG NĂNG SUẤT CỦA GIỐNG GÀ TÀU VÀNG

The current study was undertaken to identify the polymorphism of PIT1 gene and its association with growth yield and egg traits in Tau vang chicken. In total, 200 blood samples were randomly collected and a set of specific primer pairs were used for amplification of target genomic DNA at each locus and identification of polymorphisms by PCR-RFLP method. A polymorphism in intron 5 of gene was found with highest frequency in AB genotype (52%) and alen frequencies of A and B were 51% and 49% respectively. In addition, the BB chicken yielded more growth than those with AA and AB genotype. The number of eggs in the chicken genome BB (32.71 eggs) is higher than the chicken genotype AA (29.36 eggs) and BB (31.03 eggs), but the weight volume of chicken eggs AA (49.89g) genotype is higher as compared with chicken AB (48.40 g) and BB (46.25g), genotype (P <0.05). In brief, it is suggested that the PIT1 locus can be of valuable parameter for selection of productive performance in Tau vang chicken.