The result showing that 2% group is the bes with gain effect,in which a day gain is 316. 8 g. Palatability of this product is fine and it can be used as an organic biological additive for pig.

• 结果表明：添加2%25组增重效果为最佳，日增重316.；8g，适口性强，可作为猪的有机生物添加剂使用。