Phylogeny and population genetics of three geese breeds. (A) The neighbor-joining phylogenetic tree of 141 geese was constructed based on 10,459,469 SNPs. (B) Two-dimensional principal component analysis (PCA) plot of three geese breeds. (C) Genetic structure of three geese breeds according to ADMIXTURE, with K = 2–3. (D) The total length of runs of homozygosity (ROH) of each breed. (E) The inbreeding coefficient (F) of each breed. (F) Linkage disequilibrium (LD) analysis for three geese breeds. Abbreviations: FCG, Fengcheng gray goose; GFW, Guangfeng white goose; LXW, Lingxian white goose.