一、盲目用药在水产养殖过程中,因多种致病因素的存在导致水产养殖动物时常发生各种各样的疾病。水产动物一旦发病,必须根据病情,选用有效的药物进行治疗,以免造成更大的经济损失。有的养殖户在池鱼发病时方寸大乱,无论药物是否对症对因、是否有效,拿来就用。用药一次后发现疾病没有好转,就主观认为此药疗效不好,紧接着赶快换用另一种药物,如此反复,换 First, the blind medication In the aquaculture process, due to a variety of risk factors lead to aquaculture animals often occur a variety of diseases. Once the incidence of aquatic animals, must be based on the disease, the selection of effective drugs for treatment, so as to avoid greater economic losses. Some farmers in the incidence of pool fish chaos, regardless of the drug is symptomatic, is effective, used to use. Medication once found no improvement in the disease, the subjective that the drug is not effective, followed by the rapid change to another drug, so repeatedly, change