The polymorphism information content(PIC) of each site was abundant in 4 populations , the minimumPIC was 0.6 . The PIC for Borderdale , Poll Dorset , xiaoweihan sheep and menggu sheep was 0.823 ,0.838 , 0.825 , 0.835 respectively.

• 四个绵羊群体的不同位点的多态信息含量(PIC)普遍较高；基本上都在0.；6以上。 波德代羊、陶赛特羊、小尾寒羊和蒙古羊的平均杂和度分别为0