Table 7.
Effect of COS supplementation on intestinal oxidant status in broilers.
| Parameter 1, 2 | Control Group | Antibiotic Group | COS Group | SEM | p-Value |
|---|---|---|---|---|---|
| Duodenum | |||||
| T-AOC (U/mg protein) | 0.475 | 0.550 | 0.725 | 0.049 | 0.095 |
| SOD (U/mg protein) | 181 b | 195 b | 248 a | 11 | 0.026 |
| MDA (nmol/mg protein) | 0.850 | 0.498 | 0.652 | 0.116 | 0.472 |
| Jejunum | |||||
| T-AOC (U/mg protein) | 0.550 | 0.629 | 0.633 | 0.026 | 0.350 |
| SOD (U/mg protein) | 181 | 190 | 188 | 3 | 0.518 |
| MDA (nmol/mg protein) | 1.10 a | 0.54 b | 0.48 b | 0.09 | 0.001 |
| Ileum | |||||
| T-AOC (U/mg protein) | 0.99 | 1.17 | 1.01 | 0.07 | 0.614 |
| SOD (U/mg protein) | 165 | 183 | 186 | 7 | 0.522 |
| MDA (nmol/mg protein) | 1.65 a | 1.30 ab | 1.03 b | 0.11 | 0.05 |
a, b Means within a row with different superscripts differ significantly at p < 0.05. 1 T-AOC, total antioxidant capacity; SOD, superoxide dismutase; MDA, malondialdehyde. 2 Control group, basal diet; Antibiotic group, basal diet supplemented with 50 mg/kg chlortetracycline; COS group, basal diet supplemented with 30 mg/kg chitooligosaccharide; SEM, standard error of means (n = 6).