| 摘要 |
PURPOSE:The titled feed suitable for sweet fish, etc., capable of keeping a tank for young fish clean, having high survival ratio, comprising fish meal having particle diameters in a specific range, and a high content of crude protein as a main component. CONSTITUTION:For example, fish meal (ground fish meal) having a low content (about 55-68%) of crude protein is classified by an air classifier, to give fish meal having <=150mu particle diameters and 70-80wt% content of crude protein. Preferably >=40% of the fish meal is blended with starch, etc., to give the desired feed. |
