| CF | Co-feeding group |
| NCF | Non-co-feeding group |
| IL | Interleukin |
| TNF | Tumor Necrosis Factor |
| IFN | Interferon |
| T-AOC | Total antioxidant capacity |
| GSH-Px | Glutathione peroxidase |
| CAT | Catalase |
| MDA | Malondialdehyde |
| ADWG | Average daily weight gain |
| ADFI | Average daily feed intake |
| FCR | Feed Conversion Ratio |
| Ig | Immunoglobulin |
| SOD | Superoxide Dismutase |