Table 4.
The yield parameters for Nile tilapia, Oreochromis niloticus and African sharptooth catfish, Clarias gariepinus fed on the mixed ingredients (MI) and rice bran (RB) diets during the study period
| Fish species | Yield parameters | Diet type | |
|---|---|---|---|
| Mixed ingredients (MI) diet | Rice bran alone (RB) diet | ||
| Oreochromis niloticus | Net fish yield (kg ha−1) | 2559.16 ± 647.02 | 2201.50 ± 193.35 |
| Net annual yield (kg ha−1 year−1) | 3459.61 ± 874.67 | 2976.10 ± 261.39 | |
| Gross fish yield (kg ha−1) | 3649.31 ± 910.04 | 2493.96 ± 193.35 | |
| Gross annual yield (kg ha−1 year−1) | 4933.32 ± 1230.24 | 3371.47 ± 261.39 | |
| Clarias gariepinus | Net fish yield (kg ha−1) | 2693.57 ± 1345.78 | 1997.42 ± 562.84 |
| Net annual yield (kg ha−1 year−1) | 3638.58 ± 1819.29 | 2700.22 ± 1521.75 | |
| Gross fish yield (kg ha−1) | 2745.83 ± 528.64 | 2212.68 ± 620.04 | |
| Gross annual yield (kg ha−1 year−1) | 3711.96 ± 714.64 | 2991.22 ± 838.20 | |
All measured yield parameters were not statistically different (p > 0.05)