养鱼单位及专业户一向有利用人畜粪便直接施入鱼池养鱼的习惯,但新鲜人畜粪便入池,在分解过程中要消耗大量氧,往往造成鱼池溶氧量下降,且肥效受气温、池温影响,不稳定。另外,某些寄生虫、病原菌也可能随粪便 Fish farming units and specialized households have always had the habit of using manure and livestock manures to fish directly in fish ponds. However, fresh human and animal feces enter the pond and consume large amounts of oxygen in the decomposition process, which often results in a decrease in the dissolved oxygen of fish ponds. Affect, unstable. In addition, some parasites, pathogens may also be with the feces