Putting up a modern fish hatchery involves investing in an expensive assembly of equipment such as a running generator, aerators, solar water heating system, water pumping and circulation system, imported scoop nets and hatch traps, watertesting gadgets and a large breeding pond for the fry (baby fish).
Due to the expense of such a plant, many fish farmers are struggling to get fish fry to replenish their ponds. Alfred Obedmoth, a prominent fish farmer in Arua, advises farmers to go for cheaper alternatives that they can craft themselves. He says that they need an inner tube of a vehicle (it doesn’t have to be new), a 20-litre jerry can, and a wide bowel. These three items are joined together with disused drip water tubes, one taking air from the car tube and the other supplying warm water to the bowel. The inner tube needs to be inflated periodically with a foot pump to ensure a constant supply of fresh air. A plastic tube connected to the mouth of the bowel acts as an outlet for overflowing water.
Obedmoth says that fish fry generally need warm water of 26-28°C to thrive. “The farmer can heat the water in a clean container on a charcoal oven or stove before pouring it into the jerry can. The adjustable mechanism on the drip water tubes can be used to control the amount of water and air entering the open bowel.” He adds that the equipment needs to be kept inside a dark room because the fish fry don’t feed in light. – Business Daily