1996年 1 0月至 1 999年 8月对福建 6 8个欧鳗养殖场进行了欧鳗寄生虫病初步调查 ,结果表明 :欧鳗寄生虫病流行范围广、周期长 ,共查出 1 3种寄生虫为原虫 8种 ,蠕虫 5种。其中车轮虫、两极虫、小瓜虫和拟指环虫危害最为严重 ,阳性检出率分别高达 78%、 76 %、 5 7.1 %和 33.5 %。 From January 1996 to August 1999, 68 eel anguilla farms in Fujian Province were investigated for their parasitosis. The results showed that the prevalence of parasitosis in the European eel ranged from long to long and a total of 13 The parasite is protozoa 8 kinds, 5 kinds of worms. Among them, the rotifers, the two polar worms, the small melons and the pests were intended to be the hardest hit, the positive detection rates were as high as 78%, 76%, 51.1% and 33.5% respectively.