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Groenen, M., Cheng, H.H., Bumstead, N., Benkel, B.F., Briles, B.F., Burke, T., Burt, D.W., Crittenden, L.B., Dodgson, J., Hillel, J., Lamont, S., de Leon, A.P, Soller, M., Takahash, H. and Vigna, A. (2000) A Consensus Linkage Map of the Chicken Genome. Genome Research, 10, 173-174.

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• TITLE: Genetic Diversity of Indigenous Chicken (Gallus Gallus domesticus) from Ecozones of Egypt and Kingdom of Saudi Arabia

  AUTHORS: Ayman Sabry, Alaa Ahmed Mohamed, Mohamed Hassen

  KEYWORDS: Ecotypes, Genetic Diversity, Microsatellite, Polymorphic Information Content, Hardy Weinberg Expectation

  JOURNAL NAME: Open Journal of Applied Sciences, Vol.11 No.6, June 30, 2021

  ABSTRACT: Genetic diversity of two chicken ecotypes from Ismailia-Egypt (ISM) and Taif-Saudi Arabia (TA) was evaluated using 39 microsatellites. DNA was extracted from blood of 25 chickens/ecotype. The number of alleles was 157 and 138, the number of alleles/locus averaged 4.2±2.2 and 3.6±1.6, and the highest number of private alleles was 9 and 5 for ISM and TA, respectively. Percentage of shared alleles between the two ecotypes was 45%. This panel of markers is reasonably informative as the mean polymorphic information content for ISM and TA was 0.47±0.21, and 0.41±0.2. Similar average of observed heterozygosity was attained for both ecotypes. Conversely, averages of expected heterozygosity differed between two ecotypes, 0.52±0.23 vs. 0.45±0.21 for ISM and TA. 8 and 12 loci have significantly deviated from HWE of ISM and TA. Estimate of genetic distance was 0.2 and FST index was 0.29. Results showed only 6% of genetic diversity is shared between these two ecotypes.