所谓“四虫病”,指的是铁锚虫病、鳃蛆虫病、红线虫病及绦虫病。这4种鱼病四季流行,8月份左右(尤其是铁锚虫和鳃蛆虫病)常呈高峰。 (一)铁锚虫病的诊治 铁锚虫病也叫锚头蚤病、针虫病,由于铁锚虫寄生鱼体而致发。患鱼体表上寄生着好象船上铁锚样的 The so-called “four insect disease”, refers to the iron anchor disease, gill maggots disease, red nematode disease and taeniasis. These four kinds of fish disease epidemic in four seasons, around August (especially iron anchor and gill maggots) often the peak. (A) the diagnosis and treatment of iron anchor disease Iron anchor disease also called anchor head flea disease, needle and worm disease, due to the iron anchor parasitic fish caused hair. Fish parasitic on the surface of the boat as if the anchor-like