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随着养鱼技术的提高,水产养殖面积不断扩大,鱼类的病害也越来越多。据笔者调查,有的养鱼户在防治鱼病用药方面存在一些问题。用药不当既增加了费用,又影响疗效。现就如何科学使用药物,谈几点意见,供同行参考。1 正确选用药物 首先是准确诊断鱼病,有些鱼病症状接近或相同,如Vc、B_2缺乏症,细菌性败血症等均表现出血症状。只有确诊后,方可对症下药。目前,市售鱼药种类繁多,良莠不齐,不能盲目
With the improvement of fish farming techniques, the area of aquaculture has been continuously expanded and diseases of fish become more and more frequent. According to the author’s investigation, some fish farmers have some problems in the prevention and treatment of fish diseases. Improper medication increases the cost, but also affect the efficacy. Now how to scientific use of drugs, talk a few comments for peer reference. 1 The correct choice of drugs First of all, accurate diagnosis of fish disease, some fish disease symptoms close to or the same, such as Vc, B_2 deficiency, bacterial sepsis Dengjun showed bleeding symptoms. Only confirmed, before the right medicine. At present, a wide range of commercially available fish medicine, good and bad, can not blindly