有的养鱼专业户常常将猪粪发酵后喂鱼。其实,这样做没有必要。许多事实已经证明,新鲜猪粪直接喂鱼好。用新鲜猪粪直接喂鱼,其中有较多的营养可供鱼吸收,且投喂方便,不需要专门的发酵池,可降低成本,利用率也高。而猪粪经发酵后喂鱼,往往腐烂变质,其效果却不如新鲜猪粪。用新鲜猪粪直接喂鱼,每3-4头肥猪的粪,就可投喂 Some professional fish farms often fermented pig manure after feeding fish. In fact, this is not necessary. Many facts have proved that fresh pig manure feed the fish directly. With fresh pig manure directly fed fish, which have more nutrients available for fish absorption, and easy feeding, do not need a special fermentation tank, can reduce costs, utilization is also high. The pig manure fed by fermentation, often decay, its effect is not as good as fresh pig manure. Feeding directly with fresh pig manure, every 3-4 pig fat, can be fed