Table 3.
Effect of HT and ZnO individual supplementation or combination on apparent total tract digestibility of weaned pigs (%).
| Item | CON 1 | ZnO 1 | HT 1 | HT + ZnO 1 | SEM 2 | p-Value |
|---|---|---|---|---|---|---|
| d 14 | ||||||
| Dry matter | 83.96 | 84.75 | 84.37 | 82.89 | 0.67 | 0.27 |
| Organic matter | 86.88 | 87.16 | 87.12 | 85.85 | 0.58 | 0.37 |
| Crude protein | 77.40 | 77.96 | 78.93 | 76.28 | 1.15 | 0.45 |
| Gross energy | 83.30 | 84.51 | 84.29 | 82.28 | 0.69 | 0.13 |
| d 28 | ||||||
| Dry matter | 84.49 b | 84.12 b | 84.66 b | 86.63 a | 0.39 | <0.01 |
| Organic matter | 87.24 b | 87.00 b | 87.59 b | 89.16 a | 0.35 | <0.01 |
| Crude protein | 77.05 b | 78.46 b | 79.82 ab | 82.10 a | 0.83 | <0.01 |
| Gross energy | 84.30 b | 83.96 b | 84.51 b | 86.29 a | 0.40 | <0.01 |
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).