Genetic Diversity and Population Structure in Native Chicken Populations from Myanmar, Thailand and Laos by Using 102 Indels Markers

  • Maw, A.A. (University of Veterinary Science) ;
  • Kawabe, Kotaro (Natural Science Centre for Research and Education, Kagoshima University) ;
  • Shimogiri, T. (Faculty of Agriculture, Kagoshima University) ;
  • Rerkamnuaychoke, W. (Faculty of Veterinary Medicine, Kasetsart University) ;
  • Kawamoto, Y. (Faculty of Agriculture, University of Ryukyus) ;
  • Masuda, S. (Liberal Arts Education Centre, Aso Campus, Tokai University) ;
  • Okamoto, S. (Faculty of Agriculture, Kagoshima University)
  • Received : 2014.03.24
  • Accepted : 2014.07.08
  • Published : 2015.01.01


The genetic diversity of native chicken populations from Myanmar, Thailand, and Laos was examined by using 102 insertion and/or deletion (indels) markers. Most of the indels loci were polymorphic (71% to 96%), and the genetic variability was similar in all populations. The average observed heterozygosities ($H_O$) and expected heterozygosities ($H_E$) ranged from 0.205 to 0.263 and 0.239 to 0.381, respectively. The coefficients of genetic differentiation (Gst) for all cumulated populations was 0.125, and the Thai native chickens showed higher Gst (0.088) than Myanmar (0.041) and Laotian (0.024) populations. The pairwise Fst distances ranged from 0.144 to 0.308 among populations. A neighbor-joining (NJ) tree, using Nei's genetic distance, revealed that Thai and Laotian native chicken populations were genetically close, while Myanmar native chickens were distant from the others. The native chickens from these three countries were thought to be descended from three different origins (K = 3) from STRUCTURE analysis. Genetic admixture was observed in Thai and Laotian native chickens, while admixture was absent in Myanmar native chickens.


Indels Markers;Genetic Admixture;Genetic Diversity;Native Chicken


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