Table 4.
Whole-body composition of Nile tilapia fed different levels of Persicaria odorata for 10 weeks.
| Composition (%) | PO0 | PO15 | PO30 | PO50 | SEM | Linear | Quadratic |
|---|---|---|---|---|---|---|---|
| Moisture | 77.43 ± 0.51 | 77.17 ± 1.55 | 78.22 ± 0.80 | 77.37 ± 0.35 | 0.615 | 0.885 | 0.827 |
| Crude protein | 53.21 ± 0.60 | 55.10 ± 0.26∗ | 55.17 ± 0.80∗ | 54.14 ± 1.41 | 0.623 | 0.222 | 0.017 |
| Crude fat | 30.77 ± 0.16 | 31.24 ± 0.63 | 33.31 ± 0.08∗ | 31.48 ± 0.82 | 0.184 | < 0.001 | < 0.001 |
| Ash | 12.68 ± 0.14 | 13.47 ± 0.44 | 13.38 ± 0.96 | 13.19 ± 0.19 | 0.552 | 0.267 | 0.084 |
Note: Data are represented as mean ± SD values (n = 3 per treatment; 3 fish from a tank were pooled).
∗Significant differences from the control group (PO0, Dunnett's test, p < 0.05).