1993年5月中旬始,温州沿海各县因受赤潮影响,养殖对虾普遍发生严重病害,其面积之广、发病期之早为历史罕见(以往虾病高峰期为6～7月高温季节),虾病发生率高达30%,不少虾塘甚至绝产无收。为此,广大虾农不得不忍痛提早起捕,大量小规格鲜虾涌向市场。面对突发性对虾病害的狂 Since the middle of May 1993, counties in coastal areas of Wenzhou have been affected by red tides, causing widespread disease of shrimp farming. Its area is wide and its history is rare as early as the onset of disease (in the past, the peak period of shrimp diseases was the high temperature season from June to July) The incidence of shrimp disease as high as 30%, many shrimp ponds or even confiscated. To this end, the vast number of shrimp farmers had to reluctantly arrested early, a large number of small size shrimp flock to the market. The face of sudden shrimp disease mad