在养鱼生产中,往往会产生一些疾病,对养鱼产生极大的危害,鱼的鳃霉病、鳃蛆病也是危害鱼病之一,因此应抓好防治。 (一)鳃霉病。鱼鳃霉病的病原体属霉菌属,常寄生在各种鱼类的鳃部,甚至还能穿入血管及软组织。病鱼初期因鳃霉的苔丝体在鳃组织中生长,严重破坏鳃组织,致使鳃瓣失去正常红色,呈粉红色或苍白色,鱼体随着病 In the fish production, there are often some diseases that cause great harm to the fish. The fish gill disease and the gill myostrong disease are also one of the fish diseases that endanger the fish disease. Therefore, prevention and treatment should be done well. (A) gill mold. The pathogen of gill mildew is moldy, often parasitized in the gills of various fishes, and even penetrated blood vessels and soft tissues. Early disease due to the growth of gills Tissue growth in the gill tissue, gill tissue damage, resulting in loss of normal red gill flap, pink or pale, with the disease of fish