Table 2.
The pH along the gastrointestinal tract of pigs fed either dry feed, liquid feed or fermented liquid feed (feed to water ratio 1:2.5, back slopping with 50% retention at 20°C; n = 5)
| Diet | ||||
|---|---|---|---|---|
| Segment | Dry feed | Liquid feed | Fermented liquid feed | P-value |
| Stomach | 4.4a | 4.6a | 4.0b | <0.01 |
| Proximal small intestine | 5.9 | 5.8 | 5.7 | 0.48 |
| Mid small intestine | 6.0a | 5.8b | 6.1a | <0.01 |
| Distal small intestine | 6.4a | 5.7b | 6.1ab | 0.02 |
| Cecum | 5.7 | 5.5 | 5.7 | 0.17 |
| Proximal colon | 5.9 | 5.8 | 5.8 | 0.72 |
| Mid colon | 6.1 | 6.0 | 6.1 | 0.54 |
| Distal colon | 6.4ab | 6.2a | 6.5b | 0.04 |
a,bMeans within rows with a different superscripts are significantly different (P < 0.05).
Adapted from Canibe and Jensen [6].