Table 9.
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 cecal digesta of 42-day-old broilers.
| Item | α-glucosidase | β-glucosidase | α-galactosidase | β-galactosidase | β-glucuronidase | |
|---|---|---|---|---|---|---|
| Main effect | ||||||
| OABF1 | No | 58.81 | 36.08 | 38.65 | 86.63 | 76.92 |
| Yes | 59.68 | 35.83 | 40.88 | 66.50 | 78.38 | |
| Avilamycin2 | No | 63.33 | 38.89 | 43.12 | 99.25 | 78.17 |
| Yes | 55.17 | 33.03 | 36.41 | 53.89 | 77.13 | |
| Treatments3 | ||||||
| CON | 56.98 | 34.64 | 36.88 | 112.00 | 75.36 | |
| OA | 69.67 | 43.13 | 49.37 | 86.49 | 80.97 | |
| OAAV | 49.68 | 28.53 | 32.40 | 46.51 | 75.78 | |
| AV | 60.65 | 37.53 | 40.41 | 61.26 | 78.48 | |
| Statistics | ||||||
| SEM4 | 6.700 | 5.248 | 5.352 | 19.913 | 11.878 | |
| PO | 0.899 | 0.962 | 0.679 | 0.321 | 0.903 | |
| PA | 0.233 | 0.274 | 0.220 | 0.031 | 0.931 | |
| PO×A | 0.088 | 0.107 | 0.066 | 0.789 | 0.729 | |
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.