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目的了解海口市区菜市场鳙鱼和罗非鱼肠道内含有剑水蚤的情况。方法用生理盐水涂片法和离心沉淀法镜检海口市区菜市场鳙鱼和罗非鱼两种淡水鱼肠道中的剑水蚤。结果鳙鱼肠道内剑水蚤的检出率为2.12%(28/1 319),罗非鱼肠道内剑水蚤的检出率为2.45%(11/449),鳙鱼春季检出率高于秋季检出率(P<0.05),旱季总检出率高于雨季总检出率(P<0.05),鳙鱼旱季检出率高于雨季检出率(P<0.05)。结论海口市区居民食用菜市场鳙鱼和罗非鱼应当妥善清理鱼肠和烹煮淡水鱼进而预防寄生虫病。
Objective To understand the situation of sword daphni in the intestinal tract of anchovy and tilapia in the vegetable market of Haikou city. Methods Sphingidae in the intestine of two freshwater fish such as anchovy and tilapia in the vegetable market of Haikou were examined by using normal saline smear method and centrifugal sedimentation method. Results The detection rate of Daphnia magna was 2.12% (28/1 319) in the intestine, the detection rate was 2.45% (11/449) in the intestine of Tilapia, and the detection rate was high in spring The detection rate in dry season was higher than that in rainy season (P <0.05). The detection rate in dry season was higher than that in rainy season (P <0.05). Conclusion In Haikou urban residents, the market of anchovies and tilapia for food markets should properly clean the intestines and cook freshwater fish so as to prevent parasitic diseases.