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1 引言近年来福建、广东等水产养殖海区频频暴发急性寄生虫流行病 ,调研和相关研究表明梅氏新本尼登虫 (Ｎｅｏｂｅｎｅｄｅｎｉａｍｅｌｌｅｎｉ,ＭａｃＣａｌｌｕｍ ,1 92 7)是其主要病源 .该虫分布广泛 ,寄主特异性低 ,在多种鱼类上均可寄生 ,致病力强[1] ,常引发鱼类严重?
1 Introduction In recent years, the epidemic areas of acute parasite have been frequently erupted in aquaculture areas such as Fujian and Guangdong. Investigation and related studies have shown that Neobenedenia melleni (MacCallum, 1 92 7) is the main source of the disease, Host-specific low in a variety of fish can parasitism, strong pathogenicity [1], often lead to serious fish?