| Variable | Control | Enriched | F1,4 | P |
| Rearing days | 168 | 168 |
|
|
| Initial weight (kg) | 71.5 ± 0.4 | 70.9 ± 0.4 | 1.373 | 0.306 |
| Final weight (kg) | 232.8 ± 4.6 | 251.7 ± 8.1 | 4.070 | 0.114 |
| Gain (kg) | 162.9 ± 4.9 | 182.0 ± 7.5 | 4.500 | 0.101 |
| Food fed (kg) | 184.7 ± 0.00 | 184.7 ± 0.00 |
|
|
| FCR | 1.14 ± 0.03 z | 1.02 ±0.04 y | 4.867 | 0.092 |