Methods 258 snail sample of 6 species were digested by false gastric juice and Angiostrongylus cantonensis grub were separated and detected under microscope.

• 方法从深圳市区流通市场随机抽取6个种属258份食用螺样品,对其进行人工消化处理后镜检分离广州管圆线虫感染期幼虫,并计算感染率和感染强度。