Table 5.
Effect of phytogenic feed additive (PFA) on the jejunal digesta and brush border enzyme activities of broilers.
| Item | Jejunal Digesta | Brush Border Enzyme | ||||
|---|---|---|---|---|---|---|
| Alkaline Phosphatase U/mg | Amylase U/mg | Lipase mU/mg | Maltase mg/mg | Sucrase mg/mg | Aminopeptidase µmol/mg | |
| 21 d of age | ||||||
| Control 2 | 1.549 | 4.912 | 23.172 | 3.236 | 2.458 | 0.202 |
| PFA 1 | 1.109 | 4.348 | 22.963 | 4.161 | 2.456 | 0.195 |
| SEM 1 | 0.291 | 0.158 | 1.564 | 0.25 | 0.15 | 0.009 |
| p-value | 0.289 | 0.475 | 0.950 | 0.115 | 0.996 | 0.693 |
| 42 d of age | ||||||
| Control 2 | 1.381 | 4.764 | 22.560 | 2.983 | 2.011 | 0.098 |
| PFA 1 | 1.048 | 4.489 | 17.500 | 2.769 | 2.077 | 0.101 |
| SEM 1 | 0.231 | 0.161 | 2.246 | 0.33 | 0.38 | 0.011 |
| p-value | 0.602 | 0.8812 | 0.275 | 0.659 | 0.845 | 0.485 |
1 PFA, phytogenic feed additive, Digestarom® P.E.P. added at 125 ppm of diet; SEM, standard error of the mean with n = 8. 2 Containing standard crude protein levels were 22.0, 20.0 and 19.0% at 0–14, 15–28 and 29–42 d of age, respectively.