In order to assess the impact of different dietary of Celmanax Soluble Concentrated Powder (SCP) on growth performance and the function of liver and bowel of grass carp( Ctenopharyngodon ideUus), Celmanax Soluble Concentrated Powder was added to two different trophic levels feed formulations at 0 mg/kg, 50 mg/kg and 100 mg/kg,respectively. Each diet of the six test feeds was fed to grass carp(average weight:20.39 ~2.19 g) for six weeks. The results showed that adding 50 mg/kg of Celmanax SCP in ordinary feed can promote the growth of gra...