Original Article

Effect of Activated Charcoal-Supplemented Diet on Growth Performance and Intestinal Morphology of Nile Tilapia (Oreochromis niloticus)

Nopadon Pirarat1* Surinton Boonananthanasarn2 Laddawan Krongpong3 Takayuki Katagiri4 Masashi Maita4

Abstract The effect of tilapia diet supplemented with activated charcoal (AC) on growth performance and intestinal morphology of Nile Tilapia was examined. The fish were divided into four groups: a control group and three ACsupplementation groups (1%, 2% and 3% of AC in diet), and fed approximately 3% of body weight twice a day for 30 days. Growth performance and intestinal villus height were measured. Results revealed that the 2% AC-supplemented diet group was significantly (P