Sex-reversed male tilapia with an average weight of
11-12 g/fish were stocked at 1 fish/m2, a total of 220
fish in each pond. Average weights of both catfish
and tilapia were determined monthly by weighing
individuals of 10% initial populations. Tilapia were
sampled by seining and catfish were sampled with a
dip net. The feeding rate of catfish was adjusted
monthly according to the estimated total fish weight.
At the end of the five month grow-out period the fish
were harvested, weighed and marketed.