无公害种草养殖草食性鱼,具有鱼生长快、产量高、成本低、产品无公害和产品售价高等特点。667平方米池塘配套种植相同面积的一茬黑麦草、一茬狼尾草或苏丹草,一般可产出草食鱼400～500千克、滤食性和杂食性鱼150千克,可获纯利3000～4000元。 Pollution-free grass-fed grass-fed fish, with fast-growing fish, high yield, low cost, pollution-free products and higher product prices. 667 square meters of pond supporting the same area planted with rye grass, the first crop of Pennisetum or Sudan grass, can produce 400 to 500 kg of grass-fed fish, filter-feeding and omnivorous fish 150 kg, net profit of 3000 to 4,000 yuan .