Table 5. Volatile fatty acids (mMol/g of dry matter), ammonia and lactic acid concentration (mMol/kg of dry matter) on the feces of dogs fed diets with the addition of different yeast cell wall preparations (mean and standard error of the mean).
| Item | Diets1 | p-value | ||
|---|---|---|---|---|
| CON | YCW | YCWs | ||
| Acetic acid | 230.3±50.0 | 218.4±30.3 | 230.0±55.2 | 0.851 |
| Propionic acid* | 111.4±22.6 | 101.9±18.9 | 108.1±27.7 | 0.739 |
| Butyric acid | 46.8b±4.9 | 43.7b±6.4 | 55.6a±7.1 | 0.004 |
| Isobutyric acid | 10.1±1.4 | 9.6±1.0 | 10.2±2.4 | 0.808 |
| Isovaleric acid | 14.3±2.1 | 12.7±1.8 | 14.6±2.7 | 0.301 |
| Valeric acid | 2.7±1.2 | 3.5±1.5 | 3.4±1.1 | 0.138 |
| Total VFA2* | 417.9±79.0 | 389.8±51.0 | 421.9±87.5 | 0.775 |
| Total SCFA3* | 390.8±76.3 | 364.0±49.0 | 393.7±86.7 | 0.801 |
| Total BCFA4 | 27.1±3.8 | 25.8±3.9 | 28.2±4.6 | 0.595 |
| Ammonia | 194.5±24.8 | 174.4±20.4 | 196.1±32.0 | 0.171 |
| Lactic acid* | 2.7a±0.7 | 2.9a±0.8 | 1.7b±0.3 | 0.010 |
1 CON = control, without yeast cell wall addition; YCW = 0.3% of a standard yeast cell wall extract; YCWs = 0.3% of a yeast cell wall extract with 20% soluble mannan oligosaccharides.
2: VFA = volatile fatty acids.
3: SCFA = short-chain fatty acids.
4: BCFA = branched-chain fatty acids.
* Values transformed to Log x + 1 or γ for statistical analysis.
a, b = means in a row without a common superscript letter differ (P<0.05).