鱼鸭混养可充分利用资源。鸭粪及鸭吃剩的残余饲料既是杂食性鱼类的饵料，又是池塘浮游生物的优质肥料。鱼塘为鸭提供水草、螺蚬、蛹等食物。在炎热的夏天，鸭在水面，体温降低，食欲增加。鱼可摄食鸭体的寄生虫和排泄物，为鸭起清洁环境及保健作用。鸭能及时捕食池塘中的野杂? Duck polyculture can make full use of resources. Duck and duck leftover residual feed is not only food for omnivorous fish, but also the pond plankton high-quality fertilizer. Fish ponds to provide aquatic plants, snails, pupae and other food. In the hot summer, ducks on the water, lower body temperature, increased appetite. Fish can feed on the parasites and excrement of ducks for cleaning up the environment and health care for ducks. Duck can prey in the pond wild miscellaneous?