对虾具有生长快,养殖周期短,产量高和经济效益明显等优点。但近年来的病害严重,而且有愈演愈烈的趋势,虾病已成为制约对虾养殖业发展的瓶颈问题。1对虾病害的主要原因对虾的致病因素很多,包括环境理化因素、营养因素、管理因素和生物性因素等。环境因素主要是水质。水质恶化,许 Shrimp has the advantages of fast growth, short breeding cycle, high yield and obvious economic benefits. However, in recent years, the disease is serious and there is an increasing trend. Shrimp disease has become a bottleneck restricting the development of shrimp farming. 1 shrimp disease is the main reason for shrimp many risk factors, including environmental physical and chemical factors, nutritional factors, management factors and biological factors. Environmental factors are mainly water quality. Deteriorating water quality, Xu