Table 4.
Oxidative stress and immune parameters of pigs fed diets with xylanase (Xyl) and protease (Pro) supplementation.
| Item | Treatment |
SEM |
P-value |
|||||
|---|---|---|---|---|---|---|---|---|
| Xyl− |
Xyl+ |
|||||||
| Pro− | Pro+ | Pro− | Pro+ | Xyl | Pro | Xyl + Pro | ||
| Protein carbonyl | ||||||||
| Mucosa, nmol/mg of protein | 1.15 | 1.07 | 0.96 | 0.79 | 0.12 | 0.066 | 0.322 | 0.724 |
| Serum, nmol/mg of protein | 0.62 | 0.58 | 0.55 | 0.51 | 0.09 | 0.443 | 0.647 | 0.991 |
| MDA | ||||||||
| Mucosa, μmol/mg of protein | 1.21 | 1.07 | 0.98 | 0.92 | 0.11 | 0.022 | 0.212 | 0.500 |
| Serum, μmol/mL | 23.12 | 20.85 | 23.42 | 18.46 | 3.91 | 0.763 | 0.301 | 0.699 |
| IgG | ||||||||
| Mucosa, μg/mg of protein | 3.55 | 3.48 | 3.72 | 3.44 | 0.42 | 0.846 | 0.597 | 0.755 |
| Serum, μg/mL | 5.34 | 5.17 | 4.76 | 4.82 | 0.49 | 0.288 | 0.895 | 0.791 |
| IgA | ||||||||
| Mucosa, μg/mg of protein | 1.12 | 0.82 | 1.16 | 1.10 | 0.13 | 0.187 | 0.143 | 0.315 |
| TNF-α | ||||||||
| Mucosa, pg/mg of protein | 1.17 | 0.93 | 0.94 | 1.00 | 0.19 | 0.664 | 0.625 | 0.432 |
| Serum, pg/mL | 126.70 | 112.64 | 121.74 | 115.40 | 7.22 | 0.881 | 0.171 | 0.600 |
MDA = malondialdehyde; Ig = immunoglobulin; TNF-α = tumor necrosis factor α.