Fig. 3

The effects of FNB on oxidative stress in PCV2-infected RAW264.7 cells. Notes: (A) The content of ROS. (B) The content of NO. (C) The content of T-AOC. (D) The intracellular anti-hydroxyl radical activities. (E) The anti-superoxide anion activities. (F) The content of T-SOD. (G) The content of Zn-SOD. (H) The content of Mn-SOD. (I) The content of CAT. (J) The content of GSH. (K) The content of GSSG. (L) The content of GSH/GSSG. 75 μg/mL: 75 μg/mL FNB;50 μg/mL: 50 μg/mL FNB; 25 μg/mL: 25 μg/mL FNB; VC: VC control group; PCV2: PCV2 infection group; DMSO: RPMII-1640 with 0.05% DMSO; Control: Control group. **p < 0.01; *p < 0.05.