Results showed that BSR and genetic diversity indexes were 0.718, 3.664, respectively, which indicated genetic structure of the Nipponia Nippon was simple and poor genetic variations exists in the Nipponia Nippon group from Yangxian.

• 利用RMAPD技术对43只人工饲养的朱?的遗传多态性分析表明，朱?种群平均带纹相似率为0.；718，遗传多样性指数为3