Table 6.
Serum antioxidant level of Ningdu yellow chickens.
| Items | Additive amount of TCP |
SEM |
P value |
||||||
|---|---|---|---|---|---|---|---|---|---|
| 0.0% | 0.2% | 0.4% | 0.6% | 0.8% | ANOVA | Linear | Quadratic | ||
| 43–70 d | |||||||||
| GSH-PX (U/mL) | 246.35c | 280.89ab | 284.96a | 283.88a | 254.36bc | 4.67 | 0.012 | 0.578 | 0.002 |
| T-AOC (U/mL) | 9.17d | 10.52bc | 11.38ab | 11.87a | 9.98cd | 0.20 | <0.001 | 0.034 | <0.001 |
| SOD (U/mL) | 57.86b | 69.27ab | 75.95a | 75.76a | 61.18b | 0.10 | 0.003 | 0.287 | <0.001 |
| MDA (nmol/mL) | 4.72 | 4.49 | 4.15 | 4.05 | 4.28 | 0.90 | 0.210 | 0.062 | 0.063 |
| 71–105 d | |||||||||
| GSH-PX (U/mL) | 309.40 | 311.12 | 318.07 | 321.50 | 311.76 | 3.47 | 0.776 | 0.528 | 0.532 |
| T-AOC (U/mL) | 11.69 | 11.76 | 11.74 | 12.56 | 11.94 | 0.20 | 0.636 | 0.354 | 0.618 |
| SOD (U/mL) | 82.88 | 84.44 | 83.92 | 83.74 | 83.52 | 1.01 | 0.994 | 0.964 | 0.937 |
| MDA (nmol/mL) | 4.09 | 3.91 | 3.76 | 3.79 | 4.01 | 0.08 | 0.698 | 0.648 | 0.338 |
Values are the means and SEM of 12 broilers (2 broilers per replicate).
a–d
Means within a row lacking a common superscript differ significantly (P < 0.05).
Abbreviations: GSH-Px, glutathione peroxide; MDA, malondialdehyde; SEM, standard error of the mean; SOD, superoxide dismutase; T-AOC, total antioxidant capacity; TCP, traditional Chinese prescription.