A preliminary study on the ecological mechanisim of shrimp baculovirus epidemic outbreaking along Chinese seashore was carried out.The relationship between virus feathers and the immunity function of shrimp, as well as the horizontal infecting mechanism of virus among shrimp ponds were analyzed.The authors put more emphasis on the infection course in shrimp populatoin,and gave an infecting model of shrimp population.In addition,some social,ecological and economic aspects related to shrimp e...