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Population structure analysis of Yeonsan Ogye using microsatellite markers
Sung Hyun Cho1, Seung-Sook Lee2, Prabuddha Manjula1
1Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134, Korea.
Journal of Animal Science and Technology
|May 14, 2021
Summary
Genetic diversity in the Korean Yeonsan Ogye (YO) chicken was analyzed using microsatellite markers. The study identified three distinct ancestry groups, crucial for developing a conservation breeding plan.
Area of Science:
- Animal Genetics
- Conservation Biology
- Poultry Science
Background:
- The Yeonsan Ogye (YO) chicken is a Korean natural heritage breed.
- The current YO population lacks systematic selection and breeding, potentially impacting genetic diversity.
Purpose of the Study:
- To assess the genetic diversity of the Yeonsan Ogye chicken population.
- To determine the optimal number of population subdivisions for breeding.
- To inform the development of a pedigree-based breeding plan for YO conservation.
Main Methods:
- Analysis of genetic diversity using 12 polymorphic microsatellite (MS) markers.
- Genotype data from 509 YO birds.
- K-mean cluster analysis to identify population structure.
Main Results:
- High genetic diversity indicated by average polymorphic information content (0.586) and expected heterozygosity (0.642).
- K-mean cluster analysis revealed three distinct ancestry groups within the YO population.
- Identification of potential candidate individuals for breeding based on genetic distance.
Conclusions:
- The current YO population exhibits significant genetic diversity.
- Subdividing the population into three groups is optimal for breeding strategies.
- A future breeding plan incorporating pedigree information from selected founders is recommended for YO conservation.
