近年来,随着养殖业的快速发展,规模化、集约化的养殖场和养殖小区不断增加,畜禽的粪便及污水排放量也随之增加。一些养殖场的粪便随地堆积,污水任意排放,臭气冲天、蚊蝇成群,严重污染了周围的环境。养殖业污染问题越来越突出, In recent years, with the rapid development of aquaculture, large-scale and intensive breeding farms and breeding farms have been continuously increasing, and livestock and poultry excrement and sewage discharges have also increased. Feces in some farms accumulate anywhere, sewage is discharged at will, stench, mosquitoes and flies in groups and seriously pollute the surrounding environment. Aquaculture pollution is more and more prominent,