Table 9.
Effects of combination of xylanase (Xyn), arabinfuranosidease (Afd), and feruloyl esterase (FE) on volatile fatty acids (VFA) concentrations and pH value in colonic digesta of piglets fed bran-containing diet (n = 6)
| Treatments1) | Acetic acid (mg/g) | Propionic acid (mg/g) | Butyric acid (mg/kg) | Total VFA (mg/g) | pH value |
|---|---|---|---|---|---|
| Control | 2.01±0.39a | 0.66±0.44a | 66.97±9.36 | 2.91±0.50a | 6.46±0.11 |
| X | 3.69±0.47b | 0.96±0.36b | 68.28±8.99 | 5.00±0.46b | 6.27±0.19 |
| X+A+F | 4.88±0.58c | 1.01±0.30b | 67.40±8.77 | 6.02±0.61c | 6.03±0.30 |
| p-value | p<0.05 | p<0.05 | p>0.10 | p<0.05 | 0.05≤p<0.10 |
1)
Control, free of enzymes; X, treatment with 1,600 U/kg Xyn; X+A+F, treatment with combination of 1,600 U/kg Xyn, 0.8 U/kg Afd and 4 U/kg FE.
a–c
Values with different superscripts within the same column differ significantly (p<0.05).