Ru sheep, Tong sheep, Small Tailed Han sheep and Tan sheep were decreasingly affected by the bloodline of Mongolian sheep.

• (3)前人关于小尾寒羊、滩羊由蒙古羊分化而来的考证得到遗传学实验的进一步证明，湖羊、同羊、小尾寒羊和滩羊受蒙古羊血统的影响递减。