Effects of diet on maternal performance*.

Note, C, control group; HF, high-fat and high-fiber group; SB, high-fat and sodium butyrate group; CHC, HF diet with CHC injection group.*All data are means ± standard deviations; values in the same row with different letters are significantly different (P**Statistical analyses of fetal weight, placental weights and fetal numbers were based on the average value in each litter.