POLYMORPHISMS OF GROWTH HORMONE GENE IN HARINGHATA BLACK CHICKEN

POLYMORPHISMS OF GROWTH HORMONE GENE IN HARINGHATA BLACK CHICKEN

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The present study was carried out with an aim to investigate the here genetic variability of growth hormone gene in Haringhata Black chicken.Blood samples were collected from 82 experimental birds and genomic DNA was extracted using the modified high salt method.Amplification of specific DNA fragment of intron 4 of growth hormone gene yielded a product size of 713 bp and was analyzed for polymorphism using PCR-SSCP technique.The banding pattern of present investigation revealed two SSCP variants AA and BB genotype in all experimental transpharm online shopping birds.In the analysed flock of Haringhata Black Chicken, the genotype frequencies were found to be 0.

915 for AA and 0.085 for BB genotype.The frequencies of A and B alleles were 0.915 and 0.085 respectively which indicated A allele was predominant in the studied Haringhata Black Chicken population of the farm.

The Chi Square Test revealed that studied population was not in accordance with Hardy Weinberg equilibrium with respect to intron 4 of Growth hormone gene.