Table 6.
Effect of the enzyme (E) and sampling site (S) on the apparent ileal digestibility (AID%) and apparent total tract digestibility (ATTD%) of organic matter, starch and crude protein of broilers fed wheat-based (WC, WE) (n = 6) and maize-based (MC, ME) (n = 5–6) DT.
| Dietary Treatment (DT) | Organic Matter (OM) | Starch | Crude Protein (CP) | |||
|---|---|---|---|---|---|---|
| AID, % | ATTD, % | AID, % | ATTD, % | AID, % | ATTD, % | |
| WC | 72.17 b | 74.02 a | 94.76 b | 95.99 ab | 76.99 | - |
| WE | 75.31 a | 75.44 a | 97.35 a | 97.23 a | 81.17 | - |
| SEM 1 | 0.38 | 0.45 | 0.64 | |||
| Model established p-Values | ||||||
| E | <0.001 | <0.001 | 0.002 | |||
| S | 0.019 | 0.232 | - | |||
| E × S | 0.036 | 0.152 | - | |||
| MC | 74.60 | 73.27 | 97.11 b | 98.15 a | 80.98 | - |
| ME | 74.75 | 73.48 | 97.48 a,b,* | 98.23 a | 78.21 * | - |
| SEM 1 | 0.57 | 0.23 * (0.26) | 0.99 * (1.11) | |||
| Model established p-Values | ||||||
| E | 0.757 | 0.384 | 0.102 | |||
| S | 0.033 | 0.001 | - | |||
| E × S | 0.955 | 0.603 | - | |||
1 Standard error of the mean, for n = 6. * In case of missingness, the adjusted SEM value (n = 5) is presented between brackets. a,b Values corresponding to the same measured parameter (OM, starch, CP) within cereal type not sharing common notation differ significantly (p < 0.05).