Table 7.
Main and simple effects of coccidia vaccine challenge (CVC) and exogenous enzyme supplementation on apparent metabolizable energy (AME) and apparent metabolizable energy corrected for nitrogen (AMEn) of the test ingredient (wheat) 7- and 14-day post-challenge.
| CVC | Enzyme | Day 21 (7-Day Post-Challenge) 1 | Day 28 (14-Day Post-Challenge) 2 | ||
|---|---|---|---|---|---|
| AME, kcal/kg | AMEn, kcal/kg | AME, kcal/kg | AMEn, kcal/kg | ||
| Means for Main Effect of CVC | Means for Main Effect of CVC | ||||
| − | 3379.8 | 3296.6 | 3460.2 | 3370.3 | |
| + | 2718.3 | 2609.6 | 3391.7 | 3302.7 | |
| Means for Main Effect of Enzyme | Means for Main Effect of Enzyme | ||||
| − | 3063.4 | 2972.5 | 3365.7 | 3277.2 | |
| + | 3034.7 | 2933.8 | 3486.1 | 3395.8 | |
| CVC × Enzyme | CVC × Enzyme | ||||
| − | − | 3368.9 | 3290.4 | 3437.5 | 3353.3 |
| − | + | 3390.6 | 3302.9 | 3482.8 | 3387.2 |
| + | − | 2757.9 | 2654.5 | 3294.0 | 3201.0 |
| + | + | 2678.7 | 2564.6 | 3489.3 | 3404.4 |
| SD 3 | 100.0 | 105.0 | 261.3 | 281.7 | |
| Probability | Probability | ||||
| CVC | <0.001 | <0.001 | 0.512 | 0.548 | |
| Enzyme | 0.465 | 0.349 | 0.254 | 0.296 | |
| Diet × Enzyme | 0.204 | 0.219 | 0.473 | 0.453 | |
1 n for simple effects of minus CVC × minus Enzyme = 7, plus CVC × minus Enzyme = 6, minus CVC × plus Enzyme = 7, plus CVC × plus Enzyme = 7; 2 n for simple effects of minus CVC × minus Enzyme = 7, plus CVC × minus Enzyme = 6, minus CVC × plus Enzyme = 7, plus CVC × plus Enzyme = 6. 3 Standard deviation.