2005年上半年,根据监测点测报情况分析,我省水产养殖病害依然较为严重,一些新的病害逐渐出现,且发病率和死亡率高,造成的损失较大。如5月份盐城地区养殖的异育银鲫,发病较为严重,主要症状为烂鳃,肝胰腺呈分散状,肠道无食,有腹水,发病率70%以上,死亡率高达80%,当地人称之为“肝 In the first half of 2005, according to the analysis of the situation of measuring and reporting at the monitoring points, aquaculture diseases in our province remained relatively serious with some new diseases gradually emerging and the incidence and mortality rate were high, resulting in greater losses. Such as May Yancheng breeding allogynogenetic crucian carp, the more serious the incidence of the main symptoms are rotten gills, hepatopancreas was dispersed, intestinal no food, ascites, the incidence of more than 70%, the mortality rate as high as 80%, locals said The "liver