一、防饥饿 鱼种投进网箱中,全靠人工投饵。试验表明,每增重1公斤鱼,需优质青草(苏丹草、黑麦草等)30公斤、杂草50公斤,或菜饼5公斤、糠饼6公斤。在草鱼的饲料中,其蛋白质含量应为22％～28％,碳水化合物为40％～60％,脂肪为3％～8％,还要有适量的矿物质和维生素。一般情况下,放养二龄草鱼当年可长到1.5～2.5公斤, First, anti-hungry fish into the cage, thanks to artificial feeding. Experiments show that for each additional weight of 1 kg of fish, need high-quality grass (sudangrass, ryegrass, etc.) 30 kg, weeds 50 kg, or 5 kg cake, bran cake 6 kg. Grass carp feed, the protein content should be 22% to 28%, 40% to 60% of carbohydrates, fat, 3% to 8%, but also have the right amount of minerals and vitamins. Under normal circumstances, stocking second-degree grass carp can grow to 1.5 to 2.5 kg,