TABLE 7.
Effect of experimental treatments on digesta viscosity (cP1) of ileum and pH gizzard on day 42 and caecal microbial population (log cfu/g) of broiler chickens on day 28.
| Additive type | Feed form | Ileum viscosity | Gizzard pH | Total aerobic bacteria | Lactobacilli spp. | Escherichia coli | Coliforms |
|---|---|---|---|---|---|---|---|
| CTL | Mash | 1.96a | 4.27 | 8.89 | 8.99 | 8.82 | 8.96 |
| SFH | 1.54bc | 3.95 | 8.15 | 9.68 | 8.07 | 8.46 | |
| ENZ | 1.68ab | 4.20 | 9.09 | 9.16 | 7.60 | 8.94 | |
| SFH + ENZ | 1.77ab | 4.00 | 9.17 | 8.97 | 8.23 | 8.97 | |
| CTL | Pellet | 1.97a | 4.65 | 8.42 | 9.11 | 8.48 | 8.44 |
| SFH | 1.56b | 3.95 | 9.04 | 9.39 | 7.63 | 9.05 | |
| ENZ | 1.63b | 4.30 | 8.42 | 8.91 | 7.79 | 9.04 | |
| SFH + ENZ | 1.23c | 4.10 | 8.98 | 9.16 | 7.15 | 8.55 | |
| SEM | 0.06 | 0.16 | 0.33 | 0.16 | 0.27 | 0.25 | |
| Main effects | |||||||
| Additive type | |||||||
| CTL | 1.96a | 4.46a | 8.66 | 9.05b | 8.65a | 8.70 | |
| SFH | 1.55bc | 3.95b | 8.59 | 9.53a | 7.85b | 8.75 | |
| ENZ | 1.65b | 4.25ab | 8.75 | 9.04b | 7.70b | 8.99 | |
| SFH + ENZ | 1.50c | 4.05b | 9.07 | 9.07b | 7.69b | 8.76 | |
| SEM | 0.03 | 0.11 | 0.23 | 0.11 | 0.19 | 0.18 | |
| Feed form | |||||||
| Mash | 1.74a | 4.25 | 8.83 | 9.20 | 8.18a | 8.83 | |
| Pellet | 1.60b | 4.10 | 8.71 | 9.14 | 7.76b | 8.77 | |
| SEM | 0.04 | 0.08 | 0.16 | 0.08 | 0.13 | 0.13 | |
| p‐Value | |||||||
| Additive type | <0.0001 | 0.02 | 0.63 | 0.01 | 0.04 | 0.68 | |
| Feed form | 0.008 | 0.23 | 0.49 | 0.63 | 0.005 | 0.73 | |
| Additive type × feed form | 0.0009 | 0.70 | 0.11 | 0.35 | 0.18 | 0.14 | |
Note: Means with different letters (a–c) within the same column differ significantly (p < 0.05).
Abbreviations: ENZ, endo‐power enzyme; SFH, sunflower hulls.