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随着水产养殖的持续发展和集约化程度的提高,养殖环境的日益恶化,鱼病的发生率也越来越高,危害也越来越严重。1 水质恶化是由导致鱼类发病的主要原因水质恶化是由水体中化学因素、生物因素、人为因素和底泥过多综合形成的。11 化学因素溶解氧:水中溶解氧的高低,对鱼类的生长
With the continuous development of aquaculture and the intensification of intensification, the deteriorating farming environment, the incidence of fish diseases are also getting higher and higher, and the harm is more and more serious. 1 The deterioration of water quality is the main reason leading to fish disease The deterioration of water quality is caused by the combination of chemical factors, biological factors, human factors and sediments in water bodies. 11 Chemical Factors Dissolved oxygen: the level of dissolved oxygen in water, the growth of fish