在淡水养殖过程中,鱼类除病原体感染而生病外,水体的酸性也会直接或间接的影响鱼类的健康生长。笔者就水体的酸性来源及对鱼类的危害及预防作一简单陈述。一、水体酸性的产生来源1、水体的周边及底质土壤:水体周边及其底质土壤为红色或红褐色、黄色的粘性土,酸性较浓。因为这种 In the process of freshwater aquaculture, the fish are sick besides the pathogen infection, and the acidity of the water body will directly or indirectly affect the healthy growth of the fish. The author made a simple statement about the acidic sources of water and the hazards and prevention of fish. First, the source of acidic water body 1, the surrounding water and sediment Soil: water around the sediment and its soil is red or reddish brown, yellow clay, acidic. Because of this