Table 7.
Effects of HT and ZnO individual supplementation or combination on intestinal morphology of weaned pigs.
| Item | CON 1 | ZnO 1 | HT 1 | HT + ZnO 1 | SEM 2 | p-Value |
|---|---|---|---|---|---|---|
| Duodenum | ||||||
| Villus height (μm) | 462 | 570 | 538 | 557 | 37.21 | 0.24 |
| Crypt depth (μm) | 285 | 349 | 294 | 306 | 17.23 | 0.11 |
| Villus height/Crypt depth | 1.64 | 1.63 | 1.85 | 1.82 | 0.12 | 0.45 |
| Jejunum | ||||||
| Villus height (μm) | 424 b | 517 ab | 544 a | 545 a | 24.67 | 0.02 |
| Crypt depth (μm) | 265 | 294 | 279 | 272 | 12.92 | 0.47 |
| Villus height/Crypt depth | 1.60 b | 1.77 ab | 1.97 ab | 2.01 a | 0.09 | 0.02 |
| Ileum | ||||||
| Villus height (μm) | 365 | 406 | 440 | 403 | 17.94 | 0.09 |
| Crypt depth (μm) | 241 | 238 | 232 | 227 | 9.28 | 0.71 |
| Villus height/Crypt depth | 1.51 b | 1.73 ab | 1.93 a | 1.78 ab | 0.09 | 0.04 |
1 CON, the control; ZnO, zinc oxide; HT, hydrolyzed tannic acid; HT + ZnO, the mixture of zinc oxide and hydrolyzed tannic acid. 2 SEM means standard error of the mean. a, b Different superscripts within a row indicate a significant difference (p < 0.05).