Anne Henderson-Arzapalo

Effects Of Stocking Density On Two Tilapia Species Raised In An Intensive Culture System

Tilapia aurea and T. mossambica fry were stocked in a flowing system at varying stocking densities (5,10,20,30,40,50 and 60 fish/tank in 60 liters of water) in an intensive tank culture system. The fish were maintained for 1I5 days on commercial pelleted feed. In terms of length increase, weight gain, condition, total yield, and food conversion rates, T. aurea performed significantly better than T. mossambica at all stocking densities. The T. mossambica experienced much higher mortality and reduced growth due to an auto-immune reaction related to stocking density, which effectively limits...