“春季忽视防鱼病,夏秋两季慌了神”。这句谚语道明了春季抓好鱼病预防工作的重要性,而做好春季鱼病的预防主要应抓好“三早、四定、五消。”1三早三早即早放养,早开食、早管理。春季放养鱼种要尽量提早,一般在春节前后投放鱼种较适宜,这时水温较低,鱼种活动力较弱,鳞片紧密,在 “Spring missed the anti-fish disease, summer and fall panic God.” This saying proves the importance of doing a good job in the prevention of fish diseases in spring, but should do a good job in the prevention of spring fish diseases, “three early, four set, five consumer.” 1 three early morning early morning stocking, early open Food, early management. Spring stocking fish species should be as early as possible, generally put before the Spring Festival fish species more appropriate, when the water temperature is lower, species activity weaker, scales closely, at