渔业生产的主要对象是鱼类,由于鱼类是终生生活在水中、用鳃呼吸的变温动物,决定了渔业养殖的特殊性和防治鱼病的独特性。树立“以防为主,防重于治”的新观念,采取系统性的和各有侧重的预防措施,运用科学全面和适宜的治疗方法,才能积极地 The main target of fishery production is fish. Since fish live in water for life, the variable temperature animals that breathe through gills determine the particularity of fishery farming and the uniqueness of preventing and curing fish diseases. Establish a new concept of “prevention first, prevention first” and take a systematic and focused precaution to apply scientific comprehensive and appropriate treatment to be able to actively