我们调查发现,农村中绝大部分养鱼户忽视鱼种消毒,放养带病原体的鱼种,是鱼发病的主要原因之一。 鱼种消毒一般用药物浸泡鱼体,消灭附在鱼体上的细菌与寄生虫。需用的药物有十万分之一的漂白粉溶液,百万分之七的硫酸铜和硫酸亚铁合剂,十万分之二的高锰酸钾 Our survey found that the vast majority of fish farmers in rural areas ignore the disinfection of fish species stocking pathogens, is one of the main causes of fish disease. Fish disinfection generally soaked in fish with drugs, eliminate the bacteria attached to the fish and parasites. The drugs to be used are one hundred thousandth bleach solution, seven parts per million copper sulfate and ferrous sulfate, two hundred thousandths of potassium permanganate