Table 7.
Effects of dietary supplementation with β-glucan and/or Bacillus coagulans on intestinal digestive enzymes and histomorphometry features of tilapia fish.
| Parameters | Control Dietary treatments | Pooled SEM | p-value | |||||
|---|---|---|---|---|---|---|---|---|
| CNT | BG | BC1 | BC2 | BG+BC1 | BG+BC2 | |||
| Digestive enzymes | ||||||||
| Amylase (U/L) | 103.7 | 100.5 | 103.9 | 104.1 | 107.5 | 106.7 | 3.77 | 0.807 |
| Lipase (U/L) | 82.9 | 85.49 | 86.61 | 93.83 | 91.17 | 82.24 | 3.05 | 0.173 |
| Histomorphometrically characterization | ||||||||
| VL (μm) | 148.5f | 158.4e | 192.3d | 226.9b | 274.1a | 201.7c | 2.19 | < 0.001 |
| CD (μm) | 25.76a | 24.53ab | 23.16ab | 22.03b | 21.10b | 21.3b | 1.02 | 0.040 |
| VL/CD | 5.32d | 6.64c | 9.60b | 9.84b | 11.04a | 10.61a | 0.15 | < 0.001 |
| VW (μm) | 58.55b | 59.41b | 64.90a | 64.26a | 65.52a | 59.06b | 1.27 | 0.004 |
| IVS (μm) | 22.42a | 19.71b | 17.47c | 16.82cd | 15.25e | 16.09de | 0.31 | < 0.001 |
| VSA (μm2) | 9123.0c | 9602.6bc | 7612.6c | 12179abc | 14723a | 13993ab | 3.95 | 0.020 |
| GC count/mm2 | 18.9f | 19.96e | 24.23d | 27.33c | 31.23a | 30.26b | 0.30 | < 0.001 |
VL, Villi length; CD, Crypt depth; VW, Villi width; IVS, Inter-villi space; VSA, Villi surface area; GC, Goblet cells.
One-way ANOVA non-significant for P > 0.05. The different letters within the same raw indicated to significance variation. Data were presented as the mean ± pooled standard error.