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防治网箱鱼病,可采用高浓度负压浸浴法,这是一种简便、快速、经济而又行之有效的防治方法。它同传统的挂袋及泼洒方法比较,优点在于克服了因网箱内外水体交换及药物扩散,而难以保证鱼类必需药物的有效浓度及浸洗时间。而且这种方法劳动强度小、时间短、操作过程中又不损伤鱼体。其操作过程是:1 先用白色的确良布制成方形或三角形包布,规格可根据网箱的大小及载鱼量多少而定。在包布的一个边上缝制一穿竹竿的筒状边,穿上竹竿,将布卷起来。
Prevention of cages fish disease, high concentrations of negative pressure bath can be used, which is a simple, fast, economical and effective prevention and treatment methods. Compared with the traditional hanging bag and spill method, the advantages are that it overcomes the problems that it is difficult to ensure the effective concentration and the immersion time of necessary drugs for fish due to the exchange of water inside and outside the cage and drug diffusion. And this method of labor intensity, time is short, the operation does not damage the fish. The operation process is: 1 first made of white Cloth made of square or triangular cloth, the size of the cage according to the size and the amount of fish may be. Sew a cylindrical edge of the bamboo pole on one side of the cloth and put it on a bamboo pole.