Journal of Food, Agriculture and Environment

Molecular diversity of different chicken populations based on nucleotide sequencing

Author(s):

Raed M. Al-Atiyat ^{1, 2}*, Alaeldein M. Abudabos ¹

Recieved Date: 2014-01-12, Accepted Date: 2014-04-10

Abstract:

The aim of this study was to describe molecular genetic diversity of indigenous chickens and Lohmann, Hubbard and Ross broiler chickens based on nucleotide DNA sequencing. Sixteen individuals of the four populations were sequenced for haplotype of 470 bp using T7 promoter. A high level of molecular genetic variation was observed within haplotypes of indigenous chickens from different localities in Jordan. This might be due to no selection practices and production purposes performed assuming that indigenous chickens are more for egg production rather than meat. In fact, haplotypes of broiler chickens only showed low molecular genetic variation within individuals. On the other hand, the results of this study suggest that the haplotypic diversity of chicken DNA sequence was high because different breeds of broiler chickens were used. Broiler chickens shared haplotypes, which were grouped together in the evolutionary trees and had common ancestry origin. The indigenous chickens were separately clustered in one group. The commercial broiler individuals were clustered together in a group as a clade of the three broiler populations. Finally, molecular pairwaise differences coefficients (FST) were significant, allowing one to quickly perceive genetic affinities between the studied populations. The FST for indigenous chickens and Hubbard, Lohmann and Ross broiler chickens were 0.447, 0.430 and 0.571, respectively.

Keywords:

Molecular diversity, DNA sequence, indigenous and broiler chickens

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Agriculture
Pages: 379-382

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