The Tilapia Aquaculture Developers Association of Nigeria (TADAN) said on Tuesday that dams in the country were underutilised by fish farmers, especially the tilapia farmers, because culturing the fish required space.
TADAN’s National President, Mr Remi Ahmed, told the News Agency of Nigeria (NAN) in Lagos that it was cheaper and healthier to culture tilapia fish in natural dams and lakes.
Ahmed said that ponds built in urban areas are more expensive to run and aerate (to supply oxygen and expose to fresh air) because tilapia needs more oxygen than catfish.
``Fish generally needs lots of water, especially tilapia, which thrives very well in spacious water because it requires a lot of space.
``Where you can keep as many as 350 catfish per cubic meter, you cannot do that for tilapia because for that species of fish, the highest is about 200 per cubic meter.
``We have been talking about dams and artificial lakes, because the urban aquaculture we are doing presently does not favour anybody because it is too expensive.
``It is difficult to get four milligrams per litre of oxygen, if you aerate for 24 hours in urban areas, but you can get twice of that from dams,’’ he said.
The official said that farmers would not spend any money to generate electricity supply, if they made use of dams available like their counterparts in Ghana.
``I have my hatcheries here in Lagos; I spend a lot of money to pump water and to aerate the system.
``However, I have my farm in Ikere, Iseyin Local Government Area of Oyo State, and I do not pay anything for electricity.
``When I showed my results to my counterparts in Ghana, they said I got in six months what they can get for one year.
``In Oyo, we have over 28 dams unused by our farmers, and it is cheaper to rear your fish there,’’ Ahmed said.
He, however, encouraged farmers to form cooperatives that will come together in clusters, around these dams, just as they have in Ghana.
NAN reports that TADAN was set to embark on a six-day industry tour of Ghana from Aug. 29 to Sept. 3.

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