1.正确诊断,对症下药,注重疗效。若盲目用药,不仅达不到防病治病的目的,还浪费资金与人力,并有可能对养殖对象造成伤害。 2.同一鱼池并发几种疾病,应根据病情,分清主次,抓住其中危害最大的一种先行治疗,待其好转后,再治疗其他疾病。 3.外用杀虫杀菌药物,一般对人畜有一定的毒性,使用时要注意安全,以免中 1. The correct diagnosis, the right medicine, focus on efficacy. If blindly medication, not only fail to achieve the purpose of disease prevention and treatment, but also a waste of money and manpower, and may cause harm to the breeding object. 2. The same fish pond concurrent several diseases, should be based on the disease, distinguish between primary and secondary, which seize one of the most hazardous of the first treatment, to be improved, and then treat other diseases. 3. Topical insecticide and bactericidal drugs, generally have some toxicity to humans and animals, use should pay attention to safety, so as not to