malaysiensis was 1.17%, 1.00% and 0.13%, respectively. In the inter-species comparison, the differences of pnad4 gene were 13.92% between T. canis and T.

• 猫弓首蛔虫种群内pnad4的序列差异为1.；00%25；与马来西亚弓首蛔虫、牛弓首蛔虫、狮弓蛔虫平均序列差异分别是17