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目的 :为了解五华县淡水鱼类寄生虫感染情况。方法 :从五华县城菜市场购买鲩鱼、泥鳅、鳝鱼 ,剖杀后分离肌肉和肝脏待检。肌肉和肝脏剁碎后用 5 - 6倍体积的人工胃液消化 ,消化物反复沉淀数次 ,然后弃去上清液 ,取沉淀物置镜下检查。结果 :从 34个鳝鱼肝脏中发现棘颚口线虫第 3期幼虫 2条 ;从泥鳅肌肉中分离到一种寄生性线虫 ,其感染率为 6 4 % ,每条泥鳅的平均感染度为 2 4 .9,用该泥鳅饲喂大鼠 ,结果在这些大鼠的脑组织分离到这种寄生性线虫 ,但该寄生虫的确切虫种归属仍有待进一步确定。结论 :五华县淡水鱼类中存在一定程度的包括棘颚口线虫在内的寄生虫感染。
Objective: To understand Wuhua County freshwater fish parasitic infections. Methods: Buy fish, loach, eel from the Wuhua food market, after separation of muscle and liver to be seized. Muscle and liver minced 5 - 6 times the volume of artificial gastric juice digestion, digestion repeated sedimentation several times, and then discard the supernatant, the precipitate was placed under the microscope. Results: There were 2 larvae of stage 3 in the liver of 34 eel livers. One parasitic nematode was isolated from muscle of loach and the infection rate was 64%. The average infection rate of each loach was 2 4.9 The rats were fed with the loach and the parasitic nematodes were isolated from the brains of these rats, but the exact species of the parasite remains to be determined. Conclusion: There are some parasitic infections in Wuhua freshwater fish, including Sparry’s jaw nematodes.