Table 8.
Effect of dietary inclusion of an organic acids-based formulation (OABF) and avilamycin dietary inclusion on microbial glycolytic enzyme activity (μmol p-nitrophenol released/min per g digesta soluble protein) at ileal digesta of 42-day-old broilers.
| Item | α-glucosidase | β-glucosidase | α-galactosidase | β-galactosidase | β-glucuronidase | |
|---|---|---|---|---|---|---|
| Main effect | ||||||
| OABF1 | No | 22.43 | 16.72 | 24.55 | 22.34 | 17.99 |
| Yes | 26.95 | 21.32 | 33.61 | 30.68 | 24.44 | |
| Avilamycin2 | No | 25.97 | 19.86 | 29.54 | 24.84 | 21.12 |
| Yes | 23.41 | 18.17 | 28.62 | 28.18 | 21.31 | |
| Treatments3 | ||||||
| CON | 23.41 | 17.08 | 24.64 | 21.24 | 17.42 | |
| OA | 28.53 | 22.64 | 34.45 | 28.43 | 24.81 | |
| OAAV | 25.37 | 20.00 | 32.77 | 32.93 | 24.06 | |
| AV | 21.46 | 16.35 | 24.47 | 23.43 | 18.55 | |
| Statistics | ||||||
| SEM4 | 1.950 | 1.754 | 3.713 | 4.288 | 2.124 | |
| PO | 0.028 | 0.014 | 0.021 | 0.062 | 0.005 | |
| PA | 0.201 | 0.344 | 0.806 | 0.442 | 0.929 | |
| PO×A | 0.758 | 0.590 | 0.841 | 0.789 | 0.663 | |
1
No: no OABF addition; Yes: addition of 1 g OABF/kg diet.
2
No: no avilamycin addition; Yes: addition of 2.5 mg of avilamycin/kg diet.
3
Interaction means from 8 replicate pens per treatment. Treatments include: control – no additions (CON), 1 g OABF/kg diet (OA), avilamycin 2.5 mg active components/kg diet (AV) and combination of OA + AV (OAAV).
4
Pooled standard error of means.