The genetic structure of the goat breeds belonging to Northwest part of Fertile Crescent
2020
Gül, Sabri | Yilmaz, Onur | Gündüz, Zühal | Keskin, Mahmut | İbrahim Cemal, | Ata, Nezih | Önel, Süleyman Ercüment
The present study was performed to reveal genetic diversity and population structure of four native Turkish goat breeds (Hatay, Kilis, Shami and Hair), raised in Hatay and Kilis provinces located in northwest part of Fertile Crescent, using twenty-two microsatellite markers. Animal material for the study was consisted of 246 goats from Hair (60), Shami (62), Kilis (64) and Hatay (60) breeds. A total of 458 alleles were detected from twenty-two markers studied. Results obtained for the mean number of alleles (20.82), expected heterozygosity (0.89) and polymorphic information content (0.88) indicated that the total analyzed population is characterized by noticeable genetic variability. The value obtained for the global coefficient of gene differentiation showed that the majority of the total genetic variation is due to individual differences (97.50%). Clustering analysis divided native goat breeds raised in Fertile Crescent into two clusters. The first cluster was consisted by Kilis and Hatay goat breeds, the second cluster was formed by Shami and Hair goat breeds. Results indicated that Kilis goat and Hatay goats are genetically closer than the other studied breeds. The results obtained from the present study will be helpful for constructing suitable selection program for indigenous goat breeds studied. On the other hand, obtained information on genetic relationships between other goat breeds raised in the region and Hatay goat is very valuable to be registered as a national breed.
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