A $53 million reservoir restocking project has been launched in northern Ghana. The project’s first phase will see 100 reservoirs restocked with 100 million fingerlings of various species, including tilapia, catfish and African bonytongue. Restocking reservoirs is one aquaculture intervention being deployed to boost regional production; local feed manufacturing is another. Low quality feed is a major problem in the area, as most farmers use self-compounded feed instead of extruded commercial products. In an effort to deal with this problem, the Aquaculture Research and Development Commission is gearing up to start producing commercial fish feed based on locally available raw materials.
Ridley Corporation Limited has announced the successful results of recent L. vannamei shrimp feed trials, in which a Novacq™ inclusive diet significantly outperformed the same Ridley diet without Novacq™. The trial delivered strong growth and survival rates, and target harvest weights were reached after only 50 days compared to the traditional 70 day cycle. This biomass improvement would enable farmers to increase their production cycles from the typical current three harvests per annum to four, which equates to a 33% combined improvement in biomass and productivity.