各地人体或动物旋毛虫，其形态相似，但生物学性状不尽相同［１，２］，因此有人认为用株或隔离群区别各地旋毛虫［３］。斋藤奖等［４］曾将中国长春（犬）旋毛虫与世界各地旋毛虫进行了同工酶及杂交对比研究，认为长春旋毛虫属于波兰—美国—泰国群，与日本旋毛虫关系较... Trichinella spiralis around the human body or animal, its morphology is similar, but the biological traits are not the same [1, 2], so some people think that the use of strains or isolates around Trichinella [3]. Saito Prize et al. [4] conducted a comparative study on isozymes and crossbreeding of Trichinella spiralis in China and Trichinella in different parts of the world. It is believed that Trichinella spiralis belongs to the Polish-US-Thailand group and has a higher correlation with Trichinella spiralis. ..