While the average intraspecific variation in the pcox1 sequence was (2.72%) for T. canis from different geographical origins, interspecific differences were 11.38% between T. canis and T.

• 结果显示；犬弓首蛔虫种群内的pcox1 序列差异为2.；72%25；与马来西亚弓首蛔虫种群间的序列差异为11