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随着文蛤养殖集约化程度的提高,海水富营养化程度的日趋加重,文蛤的病害也随之发生。山东西部沿海滩涂是我国文蛤苗种生产的主要产区,近几年该海区文蛤死亡现象时有发生。另外,据于志华等多年实地考察和多次对比试验证实：文蛤死亡主要是由于环境条件差、
With the enhancement of clam culture intensification, the degree of eutrophication of seawater is aggravating day by day, and the disease of clam also occurs. Coastal shoals in western Shandong are the main producing areas for the production of clams in China. In recent years, the death of clams in the sea has occurred from time to time. In addition, according to many years of Zhihua and other field trips and comparative tests confirmed that: clam death was mainly due to poor environmental conditions,