沼渣中含有较全面的养分,可供鳝鱼直接食用,同时也能促进水中浮游生物的繁殖生长,为鳝鱼提供饵料,减少商品饵料的投放,节约养殖成本。沼渣是经过沼气池厌氧发酵处理的,各种细菌和寄生虫卵绝大部分被杀灭,能有效地防止鳝鱼的疾病。沼渣是 Biogas residue contains more comprehensive nutrients for eel direct consumption, but also can promote the growth of plankton in water for the eel to provide food, reduce the delivery of commercial food, save farming costs. Biogas residue is biogas digested by anaerobic fermentation, the vast majority of all kinds of bacteria and parasite eggs are killed, can effectively prevent the disease of eel. Biogas residue is