Table 6.
Effects of HT and ZnO individual supplementation or combination on intestinal enzymes activities of weaned pigs.
| Item | CON 1 | ZnO 1 | HT 1 | HT + ZnO 1 | SEM 2 | p-Value |
|---|---|---|---|---|---|---|
| Duodenum | ||||||
| Trypsin (U/mg) | 16.40 | 15.45 | 14.71 | 14.21 | 0.98 | 0.46 |
| Lipase (U/mg) | 16.29 | 15.73 | 14.99 | 14.63 | 0.49 | 0.14 |
| α-AMY (U/g) | 291 b | 348 b | 397 ab | 483 a | 25.53 | <0.01 |
| Jejunum | ||||||
| Trypsin (U/mg) | 12.67 b | 15.90 ab | 16.67 a | 17.23 a | 0.74 | <0.01 |
| Lipase (U/mg) | 11.96 b | 15.67 a | 16.61 a | 17.51 a | 0.80 | <0.01 |
| α-AMY (U/g) | 151 b | 174 b | 223 a | 264 a | 10.54 | 0.01 |
| Ileum | ||||||
| Trypsin (U/mg) | 15.90 b | 19.61 a | 15.33 b | 16.57 ab | 0.73 | 0.01 |
| Lipase (U/mg) | 15.80 c | 20.61 b | 22.93 ab | 24.31 a | 0.63 | <0.01 |
| α-AMY (U/g) | 79.87 | 141.58 | 124.73 | 24.34 | 38.91 | 0.21 |
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).