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http://dx.doi.org/10.5762/KAIS.2020.21.11.102

SNP-based Genetic Diversity and Relationships Analysis of the Korean Native Black Goat and Crossbred Goat  

Lee, Sang-Hoon (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA)
Lee, Jinwook (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA)
Lee, Eun-Do (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA)
Kim, Seungchang (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA)
Lee, Sung-Soo (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA)
Kim, Kwan-Woo (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.21, no.11, 2020 , pp. 102-108 More about this Journal
Abstract
This study was conducted to investigate the genetic diversity and genetic taxonomic relationships between Korean native black goat (KNBG) populations and crossbred goats. The 45,658 common single nucleotide polymorphisms present in the KNBG strain and crossbred goat were used for the analysis. The expected and observed heterozygosity (which can be indicators of genetic diversity) were in the order of crossbred, Gyeongsang National University, Jangsu, then the Tongyeong strains. The variance component represents the degree of genetic diversity between groups. The highest variance (19.98 %) was between the Dangjin and Gyeongsang National University strains. The lowest variance (8.87 %) was between the Jangsu and Tongyeong strains. In addition, the genetic distance between the populations showed that Jangsu and Tongyeong formed one branch (they were very similar genetically). The Dangjin and the Gyeongsang National University strains appeared to form a second branch. Furthermore, the crossbred formed one branch with the Dangjin and the Gyeongsang National University strains. Therefore, the results of this study can be used as basic data to reduce unnecessary inbreeding and genetic resource flow between the KNBG populations. The basic data indicates the uniqueness of the genetic resources of the domestic lineage. These findings provide a basis for differentiating KNBG and Crossbred goats to use to improve the desirable characteristics of this species.
Keywords
Genetic Diversity; Genetic Distance; Korean Native Black Goat; Crossbred Goat; SNP;
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