Figure 2. The changes of liver macroscopic parameters in mice after E. coli infection. (A) The liver weight; (B) The liver index; (C) The liver macroscopic structure at 72h. Note: Letter a, b, c or d represent difference (p<0.05) between the group and the lean group, lean-E. coli group, DIO group, or DIO-E. coli group, respectively.