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Table 5 Effects of different dietary supplements on the antioxidant status of laying hens

From: Fermented Astragalus in diet improved laying performance, egg quality, antioxidant and immunological status and intestinal microbiota in 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