At the end of the feeding trial, B4 recorded 57.6, 45.5, 61 and 78.6% significant increases (p b 0.01) in hepatopancreas digestive enzyme activities for amylase, cellulase, lipase and protease respectively compared with control. However, treatment with 12% level of biofloc inclusion (B12) did not differ significantly (p N 0.05) for most of the growth performance parameters and digestive enzyme activities compared with control.