Table 6 Effect of inclusion of wood powder on nutrient digestibility in broiler chickens1
Item | Processed pine tree powder (%) | SEM2 | P-value |
Control | 0.5 | 1.0 | 1.5 | 2.0 |
Dry matter | Week 2 | 0.77 | 0.75 | 0.77 | 0.73 | 0.70 | 0.010 | 0.065 |
Week 3 | 0.81 | 0.82 | 0.82 | 0.78 | 0.78 | 0.007 | 0.153 |
Week 5 | 0.85 | 0.84 | 0.83 | 0.83 | 0.82 | 0.004 | 0.233 |
Crude protein | Week 2 | 0.72ab | 0.74b | 0.73ab | 0.70ab | 0.69a | 0.007 | 0.034 |
Week 3 | 0.77bc | 0.78c | 0.77c | 0.73ab | 0.72a | 0.009 | 0.005 |
Week 5 | 0.81 | 0.80 | 0.79 | 0.77 | 0.78 | 0.005 | 0.072 |
Energy | Week 2 | 0.71 | 0.72 | 0.73 | 0.69 | 0.70 | 0.007 | 0.523 |
Week 3 | 0.74 | 0.73 | 0.75 | 0.70 | 0.71 | 0.009 | 0.275 |
Week 5 | 0.75 | 0.77 | 0.79 | 0.74 | 0.71 | 0.011 | 0.267 |
1 Results are mean with 6 replicates per treatment.2 Pooled standard error of mean.a∼c Means within the same row without common superscripts are significantly different (P<0.05).