The use of sludge or ‘tubifex’ worm, Tubifex tubifex, as a live food for juvenile fish has been long practiced in farmers’ fields and it is an important fish food for spawn rearing. The cost of tubifex worm becomes prohibitive in the dry season, when supplies are limited. We conducted trials to test the feasibility of culturing tubifex using a selection of agro-industrial wastes. Net biomass production was highest using rice mill sludge as a food source, over a culture period of 20 days.