spring if the winter temperature will be too low. In areas where pond water is too cold, Tilapia will need to be grown in tanks, barrels, or above ground pools which are insulated from the earth and heated or enclosed in agreen houseor tent. See:Tilapia Aquaculture Environment: Temperature...
The invention discloses a factory fry culturing method for java tilapia. The method comprises the following steps: after being filtered by a microstrainer in a microstrainer pond, the water discharged from the fish culturing pond is elevated to a high level biological filter by a water pump ...
This will require a relatively large area, including water plants and reeds in your dam, but you will end up with a highly productive ecosystem that can stand alone and provide a lot of benefits, including the fish. I would start of with a few fingerlings of tilapia, carp and catfish ...