Figure 4

Food intake change during 90-day exposure period. A, male; B, female. (A. a, p < 0.05 high group vs. low group; b, p < 0.01 middle and high groups vs. low group; c, p < 0.01 high group vs. other groups. B. a, p < 0.05 low group vs. other groups; b. p < 0.05 low group vs. control and middle groups; c, p < 0.01 low group vs. other groups; d, p < 0.05 low group vs. control and high groups)