(一)加固与干塘在冬季捕鱼后,将塘水排干,挖去一层污泥,然后让阳光暴晒,可达到清除虫害的目的。若因生产需要养过冬鱼虾,未能做到冬季捕完后干塘,可用排污机将塘底污泥抽提一部分,或用竹篓将污泥捞取,用小艇运到岸上,作植物基肥,一举两得,减少塘底的污泥量,有利于减少病原体的滋生繁殖。同时,还应清除塘堤埂披上的杂草,以减少昆虫产卵的场所。同时加固塘基,预防渗漏。(二)药物清塘 (A) Reinforcement and dry ponds After fishing in winter, the ponds are drained and dredged with a layer of sludge, which is then sunblown to achieve the purpose of pest elimination. If the production needs to be kept over winter fish and shrimp, failed to do after winter catching dry ponds, available sewage machine will be part of the pond extract, or bamboo basket sludge will be taken away, dinghies shipped ashore, as plants Basal fertilizer, serve two purposes, to reduce the amount of sludge at the bottom of the pond is conducive to reducing the breeding of pathogens. At the same time, weeds should also be removed from the pond embankment to reduce the number of insect spawning sites. At the same time strengthening the pond base to prevent leakage. (B) the drug clear pond