Population Genetic Structure of Wild Boar And Dispersal Performance Based On Kinship Analysis In The Northern Region of South Korea

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Abstract Wild boar (Sus scrofa) is one of the most challenging mammalian species to manage in the wild because of its high reproductive rate, population density, and lack of predators in much of its range. A recent outbreak of African swine fever (ASF) and the transmission into domestic pigs in commercial farms empower the necessity of establishing management strategies of the wild boar population in the northern region of South Korea. A population genetic study, including the dispersal distance estimation of wild boars, is required to prepare fine-scale population management strategies in the region. In this study, both population structure analysis and dispersal distance estimation based on kinship were conducted using 13 microsatellite markers. The results revealed a high level of genetic diversity compared to a previous study. The population was not structured obviously, but there was a slight level of genetic differentiation between groups mainly formed by isolation by distance rather than mountain ridges. The dispersal distance estimation of Korean wild boars based on kinship analysis showed a philopatric pattern in females. However, extensive dispersal ability in both sexes was observed with a considerable proportion. The population genetic status and dispersal traits of wild boars may provide valuable data for planning detailed ASF and wild boar population management strategies in South Korea.

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