Table 6.
Effect of dietary soluble non-starch polysaccharide (sNSP) level and xylanase supplementation on egg quality, measured after hens were fed the dietary treatments for 56 d, at 32 wk of age.
| Item | sNSP |
Xylanase |
SEM |
P-value |
||||
|---|---|---|---|---|---|---|---|---|
| High | Low | – | + | sNSP | Xylanase | Interaction | ||
| Egg weight, g | 62.00 | 62.61 | 62.79 | 61.82 | 2.06 | 0.409 | 0.192 | 0.961 |
| Breaking strength, N | 46.78 | 47.45 | 46.53 | 47.71 | 3.18 | 0.493 | 0.237 | 0.311 |
| Shell deformation, nm | 0.293 | 0.290 | 0.289 | 0.294 | 0.02 | 0.978 | 0.389 | 0.778 |
| Albumen height, mm | 10.18 | 10.42 | 10.29 | 10.31 | 0.58 | 0.444 | 0.893 | 0.777 |
| Haugh unit | 99.7 | 100.4 | 99.7 | 100.3 | 2.49 | 0.605 | 0.475 | 0.641 |
| Yolk colour score | 12.00 | 11.93 | 11.82b | 12.11a | 0.38 | 0.707 | 0.037 | 0.201 |
| Yolk weight, g | 15.34 | 15.28 | 15.57a | 15.05b | 0.57 | 0.781 | 0.013 | 0.850 |
| Shell weight, g | 6.058 | 6.134 | 6.049 | 6.142 | 0.18 | 0.258 | 0.167 | 0.664 |
| Shell thickness, mm | 0.428 | 0.434 | 0.429 | 0.432 | 0.01 | 0.124 | 0.474 | 0.958 |
| Shell reflectivity, % | 24.31a | 23.25b | 23.95 | 23.6 | 1.66 | 0.036 | 0.901 | 0.207 |
a,b Means with no common superscript within a row differ significantly (P < 0.05).