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鱼类暴发性败血症流行病一般流行于4～10月,但以5～8月为最适宜发病期。其病情来势凶猛、流行面广,加之并发细菌性烂鳃、赤皮等疾病,严重威胁渔业生产。一、病状特征该病主要症状表现为口腔、眼眶、鳃盖及鳍条充血,体表充血呈斑点状出血,鳃苍白或紫色,鳃丝肿胀,多
Epidemic fish outbreaks of sepsis generally popular in 4 to 10 months, but in May to August the most appropriate period of onset. Its condition fierce ferocious, a wide range of popular, combined with concurrent bacterial gill, red skin and other diseases, a serious threat to fishery production. First, the symptoms of the disease The main symptoms of the disease manifested as oral, orbital, gill cover and fin congestion, spotted bleeding was surface congestion, gill pale or purple, gill filaments swelling, and more