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继1993年全国对虾养殖暴发大面积虾病之后,1994年由于北方沿海提前进入高温期,刚进入6月其各地的养殖虾又相继发病。农业部黄渤海区渔政局的调查表明:截止1994年7月20日全海区(包括山东、辽宁、河北、天津)1402400亩的养殖总面积,发病558580亩,绝产232990亩,分别占总面积的39.38％和16.61％。其中,辽宁的丹东和山东的东营等地区最为严重,其养殖虾发病面积分别占总面
Following the outbreak of large-scale shrimp disease in shrimp farming in China in 1993, the shrimp farming in various parts of the country started to enter the high-temperature period in 1994 in advance because of the north coast. According to a survey conducted by the Bureau of Fishery of the Yellow Sea and Bohai Sea Area of the Ministry of Agriculture, the total area of 1,402,400 mu of aquaculture in the whole sea area (including Shandong, Liaoning, Hebei and Tianjin) ended on July 20, 1994 with an incidence of 558,580 mu and a total output of 229,990 mu, 39.38% and 16.61% of the area. Among them, Dandong in Liaoning Province and Dongying in Shandong and other areas the most serious, the incidence of shrimp farming accounted for the total area