勿庸置疑，各种各样的疾病仍是养殖业面临的一个十分棘手的问题。在预防重于治疗的发展方向下，养殖实践中，人们一般来说采用三种方式来预防疾病：一是大量使用消毒剂阻隔疾病的传播途径；二是在饲料中添加抗生素抑制和杀死病原菌；三是接种疫苗产生抗体增强对疾病的抵抗力。 Undoubtedly, a variety of diseases are still a very difficult issue facing aquaculture. In the prevention and treatment of the development direction, the practice of farming, people generally use three ways to prevent the disease: First, the use of disinfectant to block the spread of the disease; the second is to add antibiotics in the feed to inhibit and kill pathogens ; Third vaccination to produce antibodies to enhance the resistance of the disease.