Table 3 Effect of diets on gastrointestinal tract variables and intestinal morphology of piglets.
Diets | SEM | P-value | ||||
|---|---|---|---|---|---|---|
Control | CH | CH + R | CH + M | |||
Relative length of gastrointestinal tract, m/kg | ||||||
Small intestine | 0.733 | 0.657 | 0.656 | 0.710 | 0.010 | 0.0882 |
Large intestine | 0.145 | 0.139 | 0.142 | 0.151 | 0.003 | 0.6056 |
Content viscosity, cP | ||||||
Duodenum + jejunum | 2.64a | 3.64b | 3.63b | 3.70b | 0.15 | 0.0202 |
Ileum | 5.00 | 5.64 | 4.73 | 5.42 | 0.28 | 0.6762 |
pH | ||||||
Stomach | 3.95 | 4.10 | 4.07 | 3.86 | 0.063 | 0.4475 |
Duodenum + jejunum | 5.67ab | 5.42c | 5.57bc | 5.73a | 0.033 | 0.0028 |
Ileum | 6.37a | 5.93b | 5.87b | 5.96b | 0.069 | 0.0383 |
Caecum | 5.67 | 5.71 | 5.65 | 5.92 | 0.055 | 0.3120 |
Colon | 6.19 | 6.25 | 6.19 | 6.22 | 0.036 | 0.9260 |
Villus height, μm | ||||||
Duodenum | 339a | 424b | 414b | 402b | 10.8 | 0.0160 |
Jejunum | 376 | 428 | 399 | 399 | 17.7 | 0.7893 |
Ileum | 327 | 370 | 376 | 321 | 9.7 | 0.0978 |
Villus width, μm | ||||||
Duodenum | 187 | 175 | 177 | 192 | 2.9 | 0.1293 |
Jejunum | 152 | 146 | 159 | 163 | 3.6 | 0.4021 |
Ileum | 195 | 182 | 176 | 186 | 3.9 | 0.3696 |
Crypt depth, μm | ||||||
Duodenum | 503 | 469 | 489 | 431 | 11.2 | 0.1130 |
Jejunum | 345 | 343 | 367 | 349 | 7.0 | 0.6332 |
Ileum | 313 | 299 | 272 | 267 | 7.7 | 0.0902 |
Villus height/crypt depth | ||||||
Duodenum | 0.686a | 0.911b | 0.859b | 0.967b | 0.03 | 0.0088 |
Jejunum | 1.10 | 1.26 | 1.10 | 1.14 | 0.05 | 0.6784 |
Ileum | 1.07 | 1.26 | 1.44 | 1.24 | 0.05 | 0.0775 |