Table 4.
Effect of dietary soluble non-starch polysaccharide (sNSP) level and xylanase supplementation on apparent total tract digestibility of nutrients, as determined in the excreta of hens fed the treatments for 56 d, at 32 wk of age (%).
| Item | Dry matter | Crude protein | Crude ash |
|---|---|---|---|
| sNSP | |||
| High | 66.05 | 40.98a | 25.38 |
| Low | 65.77 | 39.26b | 26.38 |
| Xylanase | |||
| － | 66.17 | 40.51 | 25.81 |
| ＋ | 65.65 | 39.73 | 25.95 |
| SEM | 0.88 | 2.24 | 3.79 |
| P-value1 | |||
| sNSP | 0.346 | 0.024 | 0.435 |
| Xylanase | 0.077 | 0.299 | 0.915 |
| Interaction | 0.377 | 0.074 | 0.061 |
a,b Means with no common superscript within a column differ significantly (P < 0.05).
1
No significant 2-way interactions were observed (P > 0.05), so separated means are not presented.