highly significantp <0.01
Fu's F S value was -7.484 for the fifteen Tibetan sheep populations, of which Ganan Oula sheep, Qiaoke sheep, Huoba sheep, Gangba sheep, Ganjia sheep, Qinghai Oula sheep, Qilian White Tibetan sheep, and Tianjun White Tibetan sheep were highly significant ( p <0.01 or p <0.001).