广西文蛤主产区的廉州湾文蛤养殖始于1987年,现年产量10多万吨。文蛤养殖的快速发展,给沿海群众带来了丰厚的经济效益。但在近年来的养殖过程中也出现一些不容忽视的问题,如文蛤养殖密度过大,引起病害增多,特别是2001年以来,文蛤养殖中出现一些病害,死亡的情况较为突出,直接给? The main producing areas of clams in the state of Guangzhou Bay juvenile started clam farming in 1987, the current annual output of more than 10 million tons. The rapid development of clam culture has brought rich economic benefits to the coastal people. However, some problems that can not be neglected in recent years have also emerged. For example, the density of clam culture is too large, causing more diseases. Especially since 2001, there are some diseases in the culture of clam and the situation of death is more prominent.