Table 3.
Effects of live yeast or live yeast combined with zinc oxide on apparent total tract digestibility of nutrient in nursery pigs.
| Items (%) | CTR 1 | CTC-ZnO 1 | LY 1 | LY-ZnO 1 | SEM | p-Value |
|---|---|---|---|---|---|---|
| Gross energy | ||||||
| d 14 | 81.27 b | 82.28 ab | 83.55 a | 83.28 a | 0.407 | <0.01 |
| d 28 | 83.39 | 83.17 | 84.21 | 83.61 | 0.406 | 0.33 |
| Dry matter | ||||||
| d 14 | 82.30 | 82.42 | 82.88 | 82.52 | 0.472 | 0.84 |
| d 28 | 84.06 | 84.51 | 85.00 | 84.61 | 0.391 | 0.44 |
| Organic matter | ||||||
| d 14 | 83.53 | 83.70 | 84.10 | 84.84 | 0.560 | 0.38 |
| d 28 | 83.31 b | 84.10 b | 86.43 a | 86.13 a | 0.370 | <0.01 |
| Crude protein | ||||||
| d 14 | 76.48 b | 77.28 ab | 78.55 a | 78.16 a | 0.390 | 0.01 |
| d 28 | 77.31 b | 78.12 ab | 79.39 a | 79.06 ab | 0.419 | 0.01 |
| Ether extract | ||||||
| d 14 | 64.27 b | 65.28 ab | 66.55 a | 66.16 a | 0.475 | 0.01 |
| d 28 | 66.22 | 66.00 | 67.30 | 66.73 | 0.675 | 0.54 |
| Neutral detergent fiber | ||||||
| d 14 | 48.42 | 49.28 | 49.91 | 49.56 | 0.479 | 0.18 |
| d 28 | 48.18 b | 49.84 a | 51.22 a | 51.22 a | 0.453 | <0.01 |
| Acid detergent fiber | ||||||
| d 14 | 42.17 | 42.28 | 42.91 | 42.56 | 0.364 | 0.49 |
| d 28 | 43.23 | 43.57 | 44.10 | 43.71 | 0.322 | 0.34 |
Note: SEM is standard error of mean. n = 8 indicating the data was analyzed in 8 pens per treatment. a,b Within a row, different superscripts mean significant difference (p < 0.05). 1 CTR: control; CTC-ZnO: chlortetracycline + zinc oxide; LY: live yeast; LY-ZnO: live yeast + zinc oxide.