论文部分内容阅读
正确的鱼病防治方法可以使渔药用量少,效果好。而方法不当,不仅用量大,效果不好、无效,而且有可能造成鱼病更重、死亡或人畜中毒等,在鱼病防治中,应仔细检查鱼病,选择合适的渔药和工具,准确地计算和配制,正确地使用渔药,对异常情况及时处理,以减少鱼病,降低损失,提高产量。一、
Correct fish disease prevention and treatment methods can make fishery use less effective. The method is not appropriate, not only the amount of large, ineffective, ineffective, and may cause heavier fish diseases, death or human and animal poisoning, fish disease prevention and control should be carefully examined fish disease, select the appropriate drugs and tools, accurate Calculated and formulated, the proper use of fishery drugs, the timely treatment of anomalies to reduce fish diseases, reduce losses and increase production. one,