给罗非鱼投喂以血粉、肉粉、鱼粉、棉籽粉、豆粉以及玉米面为蛋白源的饵料,并进行了对比试验.0～3周的鱼苗日投饵量为鱼体重量的20%,3～6周的鱼为其体重的15%,7～9周的鱼为鱼体重量的10%.试验期末投喂以鱼粉、肉粉和血粉为蛋白源饵料的鱼平均增重分别为2800mg、1360mg和240mg,投喂以棉籽粉、豆粉和玉米面为蛋白源饵料的鱼平均增重分别为435mg、 Tilapia were fed with feedstuffs such as blood meal, meat meal, fish meal, cottonseed meal, soybean meal and cornmeal, and comparative experiments were carried out.The feeding amount of fish fry for 0 ~ 3 weeks was 20% 3 to 6 weeks of fish is 15% of their body weight and 7 to 9 weeks of fish is 10% of the body weight.The mean weight gain of fish fed fish meal, meat meal and blood meal at the end of the experiment period is 2800mg, 1360mg and 240mg, fed with cottonseed meal, soybean meal and corn meal as the protein source of fish, the average weight gain were 435mg,