Table 2.
Effects of hydrolyzed tannic acid (HT) and zinc oxide (ZnO) individual supplementation or combination on growth performance and diarrhea rate of weaned pigs.
| Item | CON 1 | ZnO 1 | HT 1 | HT + ZnO 1 | SEM 2 | p-Value |
|---|---|---|---|---|---|---|
| d 1 BW, kg | 7.81 | 7.80 | 7.81 | 7.81 | 0.01 | 0.91 |
| d 14 BW, kg | 12.84 | 12.67 | 12.97 | 13.37 | 0.18 | 0.09 |
| d 28 BW, kg | 17.70 | 17.75 | 17.95 | 18.56 | 0.33 | 0.27 |
| d 1 to14 | ||||||
| Average daily gain, g | 333 | 335 | 354 | 359 | 10.75 | 0.26 |
| Average daily feed intake, g | 469 | 470 | 491 | 514 | 16.41 | 0.21 |
| Gain: Feed | 0.71 | 0.71 | 0.72 | 0.70 | 0.02 | 0.86 |
| Diarrhea rate | 9.33 a | 3.00 b | 3.50 b | 0.83 b | 0.01 | <0.01 |
| d 15 to 28 | ||||||
| Average daily gain, g | 361 | 378 | 394 | 406 | 11.86 | 0.08 |
| Average daily feed intake, g | 700 | 695 | 746 | 751 | 30.42 | 0.44 |
| Gain: Feed | 0.54 | 0.54 | 0.53 | 0.55 | 0.03 | 0.98 |
| d 1 to 28 | ||||||
| Average daily gain, g | 347 | 356 | 374 | 382 | 9.18 | 0.06 |
| Average daily feed intake, g | 585 | 583 | 619 | 633 | 20.40 | 0.26 |
| Gain: Feed | 0.64 | 0.61 | 0.62 | 0.61 | 0.03 | 0.89 |
1 CON, the control; ZnO, zinc oxide; HT, hydrolyzed tannic acid; HT + ZnO, the mixture of zinc oxide. 2 SEM means standard error of the mean. a, b different superscripts within a row indicate a significant difference (p < 0.05).