近几年,我国沿海各个养殖大鲮鲆、牙鲆、河以及甲壳类水生动物的养殖场,都不同程度地受到了盾纤毛虫的危害。山东省乳山市一家养殖场,2003年80万尾东方红鳍在越冬前,因患盾纤毛虫病,全部死亡,经济损失1140万元。山东省文登市一家河越冬场,4万尾规格300￣400克/尾的网箱苗种,于2 In recent years, all farms in our country farmed turbot, flounder, river and crustacean aquatic farms, are to varying degrees by the shield ciliates harm. Rushan City, Shandong Province, a farms in 2003, 800,000 Eastern red fins before winter, suffering from shield ciliate disease, all died, the economic losses of 11.4 million yuan. Wendeng City, Shandong Province, a river winter field, 40,000 specifications 300 ~ 400 grams / tail cage seedlings, at 2