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在网箱养殖罗非鱼日粮中,用活性酵母代替鱼粉进行试验,结果表明,同比含量的饵料,用活性酵母比鱼粉的养殖效果更好,饵料系数低7.4％,增重率提高9.8％,饲料成本低了8.6％。
In the cage culture of tilapia diets, the test was carried out by replacing the fishmeal with the active yeast. The results showed that the feedstuff with the same content of activated bait had better effect than the fishmeal breeding. The feed efficiency was 7.4% and the weight gain rate was 9.8% Feed costs were 8.6% lower.