Fig. 6

Neighbor-net graph of Russian and worldwide sheep breeds based on pairwise Fst values. The branches corresponding to the Russian coarse wool, semi-fine and fine wool breeds are indicated in blue, red and green, respectively. The colors of the branches of the worldwide breeds correspond to their ancestral geographic origin and are identical to the colors in Table S3 (see Additional file 3: Table S3): green for the British Isles, black for Northern Europe, pale pink for Central Europe, cyan for Southwestern Europe, orange for Asia, yellow for Southwestern Asia, purple for Africa and gray for the Americas. For a description of the sheep breeds (see Additional file 1: Table S1, Additional file 2: Table S2)