Table 6.
The body composition and organosomatic indices of Nile tilapia-fed diets supplemented with yeast Saccharomyces cerevisiae for 90 days during the winter season.
| Parameters | T1 (control) |
T2 (5 g/kg diet) |
T3 (10 g/kg diet) |
T4 (20 g/kg diet) |
|---|---|---|---|---|
| Crude protein (%) | 72.55 ± 2.16 | 74.22 ± 1.30 | 73.85 ± 1.31 | 74.44 ± 1.14 |
| Crude lipid (%) | 2.86 ± 0.54 | 2.87 ± 0.37 | 3.10 ± 0.53 | 2.87 ± 0.54 |
| Fillet (%) | 34.38 ± 2.33b | 35.57 ± 3.29b | 38.06 ± 2.26b | 43.23 ± 0.76a |
| Carcass (%) | 53.70 ± 2.17a | 51.64 ± 3.06ab | 49.42 ± 0.49bc | 46.86 ± 1.52c |
| HIS (%) | 1.93 ± 0.22 | 1.39 ± 0.53 | 2.24 ± 0.51 | 1.70 ± 0.05 |
| VSI (%) | 10.11 ± 0.19 | 10.94 ± 1.23 | 10.22 ± 1.61 | 8.33 ± 0.75 |
| SSI (%) | 0.28 ± 0.04 | 0.23 ± 0.03 | 0.29 ± 0.05 | 0.27 ± 0.01 |
Note: Data are given as mean ± SD. Different superscript lowercase letters indicate significant differences (p < 0.05).
Abbreviations: HIS, hepatosomatic index; SSI, spleenosomatic index; VSI, viscerosomatic index.