Skip to main content

Table 3 Chemical analysis of fecal samples from dogs fed with diets differing in protein concentrations and in presence of fructooligosaccharides

From: Influence of dietary protein and fructooligosaccharides on fecal fermentative end-products, fecal bacterial populations and apparent total tract digestibility in dogs

      Anova p-value  
LP HP LP + FOS HP + FOS Protein concentration FOS Protein concentration x FOS Pooled SEM
pH 6.12 6.58 6.46 6.50 0.008 0.004 0.011 0.07
Water content (mg/g feces) 601 588 615 578 0.354 0.923 0.754 37.6
NH3 (μmol/g feces) 39.1 54.1 43.1 63.1 < 0.001 0.027 0.543 4.01
VFA (μmol/g feces)
 Acetic acid 92.8 93.0 85.1 91.3 0.629 0.487 0.649 8.63
 Propionic acid 58.3 41.9 44.9 48.7 0.213 0.577 0.049 6.80
n-Butyric acid 16.3 19.0 13.9 13.0 0.747 0.136 0.514 2.40
 iso-Butyric acid 2.37 2.53 1.80 2.78 0.226 0.652 0.083 0.18
 iso-Valeric acid 4.69 4.68 3.30 4.55 0.400 0.327 0.391 0.29
 Total VFA 176 159 149 159 0.759 0.286 0.272 10.7
 C2:C3 1.62 2.29 2.03 1.97 0.024 0.842 0.008 0.12
 C2 + n-C4:C3 1.90 2.73 2.35 2.27 0.014 0.831 0.003 0.18
Biogenic amines (μmol/g feces)
 Putrescine 718 765 695 709 0.798 0.668 0.860 90.6
 Cadaverine 461 381 348 329 0.641 0.406 0.728 86.5
 Spermidine 482 604 491 586 0.129 0.877 0.741 39.4
 Spermine 341 271 383 293 0.186 0.495 0.843 49.7
  1. Values are the means of 12 dogs per treatment
  2. C2/C3 acetic acid/propionic acid ratio, C2 + n-C4/C3 acetic acid + n-butyric acid/propionic acid ratio, FOS fructooligosaccharides, HP high protein diet, LP low protein diet
\