Table 5 Effects of different dietary supplements on the antioxidant status of laying hens
Parameters | Control | Astragalus | L. plantarum | Fermented Astragalus | P-value | SEM |
|---|---|---|---|---|---|---|
14 days | ||||||
CAT (U/mL) | 43.90 ± 2.46 | 57.21 ± 13.66 | 76.80 ± 44.15 | 61.52 ± 31.03 | 0.445 | 13.960 |
GSH-Px (U/L) | 90.80 ± 14.36 | 115.32 ± 32.20 | 145.76 ± 79.19 | 120.37 ± 54.47 | 0.450 | 23.989 |
SOD (U/mL) | 276.62 ± 44.10 | 313.42 ± 87.16 | 321.99 ± 91.99 | 339.02 ± 127.71 | 0.757 | 43.954 |
T-AOC (U/mL) | 12.25 ± 2.13 | 14.33 ± 4.66 | 15.40 ± 4.63 | 14.79 ± 6.31 | 0.753 | 2.211 |
MDA (nmol/mL) | 6.93 ± 0.52 | 8.58 ± 2.50 | 8.71 ± 2.62 | 8.63 ± 3.52 | 0.734 | 1.276 |
28 days | ||||||
CAT (U/mL) | 47.93 ± 2.41a | 45.58 ± 8.17a | 86.63 ± 17.73ab | 124.58 ± 66.85b | 0.020 | 17.563 |
GSH-Px (U/L) | 90.07 ± 20.18a | 108.12 ± 31.99a | 159.86 ± 36.77ab | 239.78 ± 142.58b | 0.043 | 35.992 |
SOD (U/mL) | 230.98 ± 29.88a | 321.95 ± 125.37a | 473.54 ± 125.13ab | 722.33 ± 418.70b | 0.030 | 108.041 |
T-AOC (U/mL) | 10.78 ± 1.62a | 12.81 ± 2.82a | 20.29 ± 4.68b | 22.72 ± 7.16b | 0.006 | 2.226 |
MDA (nmol/mL) | 14.79 ± 4.97c | 8.43 ± 3.28ab | 12.47 ± 2.69bc | 6.70 ± 1.04a | 0.011 | 1.542 |