Fig. 1
Map of sampling locations for this study. Both maps illustrate the geographical points where the samples of the 25 Russian sheep breeds were collected for this study. The coarse wool breeds are in blue; the semi-fine and fine wool breeds are in red and green colors, respectively. The numbers for the breeds are as follows: 1. Andean Black, 2. Buubei, 3. Edilbai, 4. Kalmyk, 5. Karakul, 6. Karachaev, 7. Kuchugur, 8. Lezgin, 9. Romanov, 10. Tushin, 11. Tuva, 12. Altai Mountain, 13. Kuibyshev, 14. North-Caucasian, 15. Russian Longhaired, 16. Tsigai, 17. Baikal fine-fleeced, 18. Dagestan Mountain, 19. Groznensk, 20. Kulundin, 21. Manych Merino, 22. Salsk, 23. Soviet Merino, 24. Stavropol, 25. Volgograd. For a description of the sheep breeds (see Additional file 1: Table S1, Additional file 2: Table S2)