Genetic Diversity and Relationships of Korean Chicken Breeds Based on 30 Microsatellite Markers

  • Suh, Sangwon (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Sharma, Aditi (Hanwoo Experiment Station) ;
  • Lee, Seunghwan (Hanwoo Experiment Station) ;
  • Cho, Chang-Yeon (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Kim, Jae-Hwan (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Choi, Seong-Bok (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Kim, Hyun (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Seong, Hwan-Hoo (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Yeon, Seong-Hum (Hanwoo Experiment Station) ;
  • Kim, Dong-Hun (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Ko, Yeoung-Gyu (Hanwoo Experiment Station)
  • Received : 2014.01.06
  • Accepted : 2014.06.03
  • Published : 2014.10.01


The effective management of endangered animal genetic resources is one of the most important concerns of modern breeding. Evaluation of genetic diversity and relationship of local breeds is an important factor towards the identification of unique and valuable genetic resources. This study aimed to analyze the genetic diversity and population structure of six Korean native chicken breeds (n = 300), which were compared with three imported breeds in Korea (n = 150). For the analysis of genetic diversity, 30 microsatellite markers from FAO/ISAG recommended diversity panel or previously reported microsatellite markers were used. The number of alleles ranged from 2 to 15 per locus, with a mean of 8.13. The average observed heterozygosity within native breeds varied between 0.46 and 0.59. The overall heterozygote deficiency ($F_{IT}$) in native chicken was $0.234{\pm}0.025$. Over 30.7% of $F_{IT}$ was contributed by within-population deficiency ($F_{IS}$). Bayesian clustering analysis, using the STRUCTURE software suggested 9 clusters. This study may provide the background for future studies to identify the genetic uniqueness of the Korean native chicken breeds.


Grant : Cooperative Research Program for Agriculture Science & Technology Development

Supported by : Rural Development Administration


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