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Phylogenetic relationship and population structure of Beijing Black and other eight breeds tested in this study. BJB, Beijing Black pig; HN, Huainan pig; MS, Mashen pig; LT, Lantang pig; LC, Luchuan pig; MIN, Min pig; DU, Duroc; LD, Landrace; LW, Large White. (A) Neighbor-joining phylogenetic tree constructed from SNV data among nine populations. (B) Principle component analysis for the first two PCs of 90 pigs. (C) ADMIXTURE analysis with four presumed ancestral groups (K = 4).
