The design and construction of a fish-tank cage: transforming cage culture in a flooding world
The Fish tank cage was designed and constructed as an ingenious innovation to boost cage culture and transform aquaculture in Nigeria and beyond. It consists of two major components. The first is a black 500 litre capacity plastic water storage tank which was perforated profusely (840 meshes/m2 on the body and 256 meshes/m2 at the bottom) to fashion out a meshed tank. The circular meshes on the body have a diameter of 12mm, and that of the bottom 8mm. The dead weight of the tank with cover and lock is 12.7kg. The height above ground is 104cm and circumference at the middle is 270cm, the thickness is 0.5cm. The second component is a 6 inches diameter PVC square ring, sealed to serve as an air tight device for buoyancy. Suspension rods passed through hangers on the tank cage were used to suspend the tank cage in the middle of the suspension ring. The tank cage has the properties of a good cage-durability, easy waterflow through, non-toxic predator proof and flood resistant. It can be used as a floating or submerged cage. It can hold up to 300 adult fishes. However, the stocking capacity for intensive farming will be determined by field trials.
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| Format: | conference_item biblioteca |
| Language: | English |
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FISON
2013
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| Subjects: | Aquaculture, Nigeria, Fish tank gate, Cage culture, freshwater environment, automation, |
| Online Access: | http://hdl.handle.net/1834/39008 |
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