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(一)对症下药首先应做好清塘消毒、鱼种消毒、食场及工具的消毒工作,定期投喂药饵和泼洒药物。其次,应注重提高饵料质量,提倡使用光合细菌等生物制剂提高鱼体抗病力,改善水体环境。冬春季节要掌握适量投饵,夏秋季节要酌情增加换水量和换水次数。认真观察病鱼的症状,详细了解环
(A) the right medicine First of all should be clear Qingtang disinfection, disinfection of fish, food and tools disinfection, regular feeding bait and spill drugs. Second, we should focus on improving the quality of food, and promote the use of biological agents such as photosynthetic bacteria to improve fish disease resistance and improve the water environment. Winter and spring to grasp the amount of feeding, summer and autumn, as appropriate, increase the amount of water change and change the number of water. Carefully observe the symptoms of diseased fish, learn more about the ring