Table 1

Effect of diet on faecal indexes

No fibreWheat branMethylcellulosep Value1-150
24 hour faecal output (g/rat)0.6 (0.1)1-151 6.0 (0.3)4.5 (0.2)<0.001
Faecal pH7.1 (0.1)1-152 5.7 (0.1)6.9 (0.1)<0.001
Caecal pH6.9 (0.1)6.5 (0.1)7.2 (0.6)<0.001
Faecal SCFA (μmol/g faecal water)
 Total17.7 (1.9)29.8 (4.1)3.2 (0.7)<0.001
 Butyrate2.1 (0.3)3.8 (0.7)0.9 (0.2)<0.001
Caecal SCFA (μmol/g caecal water)
 Total22.3 (3.9)30.2 (2.1)13.0 (1.6)<0.001
 Butyrate2.1 (0.3)6.0 (0.6)1.4 (0.2)<0.001
  • 1-150 ANOVA across the dietary groups.

  • 1-151 Animals housed four per cage and faecal output from each cage divided by 4; results are mean (SEM) of three cages.

  • 1-152 Mean (SEM) of 12 rats.