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一、发病情况及症状2005年土门子水库网箱养殖鲤鱼共8箱,从4月末苗种投入到9月中旬,始终坚持每半月外用泼洒或挂篓消毒剂,每隔20天间隔投喂一次药饵。杀菌药和杀虫药交替使用进行预防。养殖前期并未发现鱼病。由于以往经验,秋季很少发病,忽视预防。从10月1日起发病,10月1～3日,
First, the incidence and symptoms 2005 Tumenzi cage carp cage a total of eight cases, from the end of April seed into mid-September, always insisting every half months topical sprinkling or hanging baskets disinfectant, once every 20 days feeding time Drug bait. Bactericides and insecticides are used interchangeably for prevention. Early aquaculture did not find fish disease. Due to past experience, rarely occurs in autumn, neglect prevention. From October 1 onset, October 1 to 3,