Table 5.
Effect of protease and organic acids supplementation on jejunal morphology in broilers fed poultry by-product meal based diet
| Parameters (μm) | Treatment1) | SEM | p-value | ||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Cont | PBM | PBMP | PBMO | PBMPO | |||
| VH | 1,183.80a | 1,025.80b | 1,189.80a | 1,193.00a | 1,129.20ab | 31.84 | 0.010 |
| CD | 103.80ab | 88.60b | 101.60ab | 114.00a | 96.00ab | 4.22 | 0.023 |
| VH:CD | 11.41 | 11.62 | 11.88 | 10.51 | 11.91 | 0.26 | 0.345 |
SEM, standard error of the mean; VH, villus height; CD, crypt depth.
1)
Cont, standard broiler ration; PBM, control diet with 25% of the soybean meal replaced by poultry by-product meal (PBM) on an equivalent protein basis; PBMP, PBM diet supplemented with 0.5 g/kg of protease; PBMO, PBM diet supplemented with 1 g/kg organic acid; PBMPO, PBM diet supplemented with 0.5 g/kg protease and 1 g/kg organic acid.
a,b
Values within the same row with different superscripts differ significantly (p<0.05).