一、水产动物疾病药物防治的误区1、不对症用药:有些渔民不管发生什么鱼病,一律用漂白粉、硫酸铜等进行防治。不对症下药,不仅起不到防治鱼病的效果,还会造成浪费,甚至会贻误时机,加重病情。2、用药不分鱼的规格:有些渔民见发生鱼鲺病,就用消毒药物全池泼洒,却不知此病仅对小鱼危害较大,对大鱼的危害很小,正确的方法应该是区别用药。3、常年用一种药物防治鱼病:两类药物交替使用,可避免使病原体 First, the misunderstanding of aquatic animal diseases drug control 1, not symptomatic medication: Some fishermen no matter what fish disease occurs, all with bleach, copper sulfate prevention and treatment. Not right medicine, not only can not achieve the effect of prevention and treatment of fish diseases, but also result in waste, and even delay the opportunity to aggravate the disease. 2, medication regardless of the size of the fish: Some fishermen see the occurrence of mandarin fish disease, the use of disinfectant Quanchiposaur, but I do not know the disease is only more harmful to small fish, the harm is very small fish, the correct method should be Difference medication. 3, Perennial use of a drug to prevent fish disease: two types of drugs used interchangeably, to avoid pathogens