Indian Journal of Animal Research

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Indian Journal of Animal Research, volume 49 issue 6 (december 2015) : 875-877

Genetic polymorphism in the promoter of prolactin gene in layer chicken

T.K. Bhattacharya*, R.N. Chatterjee, U. Raj Kumar, K.S. Rajaravindra, M. Niranjan
1<p>Project Directorate on Poultry India&nbsp;Rajendranagar, Hyderabad-500 030, India.&nbsp;</p>

ABSTRACT

Genetic polymorphism of promoter (Fragment 1, 2 and 3) of prolactin gene in four strains of White Leghorn chicken layers i.e. IWH, IWI, IWK and layer control was identified. Two alleles (A and B) were found in all the promoter fragments of the gene. In above mentioned layer populations, A allele was predominant. The genotypic and allelic distribution was significantly differed among the populations. Different demographic and divergent parameters were estimated in all the lines. It is concluded that all 3 fragments of promoter of prolactin gene was polymorphic in four strains of White Leghorn layer populations. 

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