Table 10.
Effects of supplementing Xylanases exogenous enzymes in pig diets at different growing stages on animal performance.
| Variable | Weaning | Growing | Finishing | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control | Xylanases | P-value | % increment | Control | Xylanases | P-value | % increment | Control | Xylanases | P-value | % increment | |
| Number of animals | 98 | 98 | 49 | 49 | 228 | 228 | ||||||
| Dosage of Enzyme in the diet, (g/kg) | 0.001 ± 0.50 | 0.08 ± 0.49 | 0.05 | 0.001 ± 0.58 | 1.43 ± 0.58 | 0.02 | ||||||
| Dosage of Enzyme in the diet, (g/d) | 0.001 ± 0.74 | 0.05 ± 0.75 | 0.08 | 0.001 ± 0.86 | 2.24 ± 0.85 | 0.04 | ||||||
| Dosage of Enzyme in the diet, (g/kg LW0.75) | 0.001 ± 0.07 | 0.01 ± 0.07 | 0.21 | 0.002 ± 0.08 | 0.21 ± 0.08 | 0.08 | ||||||
| Initial body weight, (kg) | 7.35 ± 2.35 | 7.36 ± 2.35 | 0.98 | 0.1 | 20.7 ± 4.07 | 19.5 ± 4.07 | 0.80 | −5.8 | 27.57 ± 2.35 | 27.53 ± 2.34 | 0.95 | −0.1 |
| Average Daily Feed lntake, (kg/d) | 0.59 ± 0.15 | 0.58 ± 0.15 | 0.97 | −1.7 | 2.11 ± 0.25 | 2.03 ± 0.25 | 0.91 | −3.8 | 1.93 ± 0.15 | 1.94 ± 0.14 | 0.86 | 0.5 |
| Average Daily Gain, (kg/d) | 0.40 ± 0.05 | 0.41 ± 0.05 | 0.91 | 2.5 | 1.03 ± 0.08 | 0.93 ± 0.09 | 0.88 | −9.7 | 0.82 ± 0.05 | 0.80 ± 0.04 | 0.75 | −2.4 |
| Gain: Feed, (kg/kg) | 1.14 ± 0.29 | 1.10 ± 0.28 | 0.94 | −3.5 | 0.44 ± 0.36 | 0.43 ± 0.36 | 0.97 | −2.3 | ||||
| Digestibility of Dry Matter (g/kg) | 765.3 ± 15.6 | 754.2 ± 15.6 | 0.92 | −1.5 | ||||||||