论文部分内容阅读
硫酸铜对鱼病的防治作用是众所周知的。但在应用过程中因不懂硫酸铜的特性和防治对象的特点,盲目应用而造成中毒或防治无效的现象时有发生。如北方一些地方在冬季防治越冬池中的鱼病时,因使用夏季高温季节防治饲养池中鱼病的配方(铜铁合剂),不但没起到防治作用,反而加快了病鱼的死亡。所以,掌握鱼类水生环境的变
Copper sulfate on the prevention and treatment of fish diseases is well known. However, due to the lack of understanding of the characteristics of copper sulphate and the characteristics of the control object during the application process, the phenomena of poisoning or prevention and control ineffectively occur from time to time. For example, in some places in northern China, the prevention and treatment of fish diseases in winter ponds in winter is not only effective in preventing and controlling fish diseases in the feeding ponds during the hot season in summer, but rather accelerating the mortality of diseased fish. So, master the changes of fish aquatic environment