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在成鱼池放养季节,一些养鱼户对成鱼池和鱼种不经消毒,就进水放养鱼种了,这种贪图省事的办法,其实后患无穷,这也是导致近年来鱼病流行日趋严重因素之一。放养鱼种消毒工作应包括彻底清塘消毒和鱼种消毒两个方面。一、清塘消毒目前常用的清塘消毒药物有生石灰和漂白粉等。生石灰消毒:除灭菌作用外,又能改良土壤,调节水的酸碱度,有利于水中浮游生物和鱼类生长。干池清塘消毒:先排干池水,堵塞漏洞,清除杂草,挖去池底过多的淤泥,然后每亩鱼池用生石灰60～75公斤,加水溶化,全池均匀泼洒。满水消毒:不抽出池水,每亩水深
In the fish pond stocking season, some fish farmers on the fish ponds and fish species without disinfection, on the fish stocking, and this covet save trouble approach, in fact, endless trouble, which is also leading to the fish disease epidemic in recent years, an increasingly serious factor one. Fish stocking disinfection should include thorough disinfection of Qingtang and fish disinfection two aspects. First, clear pond disinfection At present, commonly used Qingtang disinfection drugs are quick lime and bleaching powder. Lime disinfection: In addition to sterilization, but also improve the soil, adjust the pH of water is conducive to the growth of plankton and fish in the water. Dry pool Qing Tong disinfection: first drain the water, plug the loopholes, remove weeds, dug too much mud at the bottom of the pool, and then use 60 to 75 kg of lime per mu of fish ponds, add water to dissolve, the whole pool evenly sprinkle. Full water disinfection: do not draw water, water depth per acre