Serum T-SOD activities (A), GSH (B), MDA (C) α-TOH (D) and TC concentrations (E) of broilers fed maize-basal diets supplemented with NF or FR products. a, b, c means with different letters differ significantly (P<0.05 or P<0.01), compared with the control group within the same time period.
1Cont. = Basal diet; NF=Basal diet with 3 g/kg non-fermented Radix astragali-ginko leaves; FR1, FR2 and FR3=Basal diet with 1 g/kg, 3 g/kg and 6 g/kg, respectively, fermented Radix astragali-ginko leaves.
2T-SOD, total superoxide dismutase; GSH, glutathione; MDA, malondialdehyde; TC, total cholesterol; α-TOH, α-tocopherol.
3n=6 (number of animals per treatment).