Table 7.
Effect of protease and organic acids supplementation on serum biochemistry in broilers fed poultry by-product meal based diet
| Parameters | Treatments1) | SEM | p-value | ||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Cont | PBM | PBMP | PBMO | PBMPO | |||
| ALT (U/L) | 42.50 | 72.50 | 42.00 | 24.30 | 16.50 | 9.65 | 0.562 |
| AST (U/L) | 379.00 | 301.50 | 259.00 | 249.70 | 256.00 | 24.28 | 0.214 |
| TP (g/dL) | 3.80b | 5.10ab | 7.60a | 5.23ab | 4.45b | 0.64 | 0.038 |
| ALB (g/dL) | 1.00 | 0.81 | 0.77 | 0.80 | 0.84 | 0.04 | 0.803 |
| GLB (g/dL) | 2.80b | 4.29ab | 6.83a | 4.43ab | 3.61ab | 0.67 | 0.042 |
| ALB:GLB | 0.38 | 0.20 | 0.11 | 0.19 | 0.24 | 0.04 | 0.257 |
| UA (mg/dL) | 6.66 | 7.25 | 9.40 | 6.61 | 7.68 | 0.51 | 0.919 |
ALT, alanine aminotransferase; AST, aspartate aminotransferase; TP, total protein; ALB, albumin; GLB, globulin; ALB:GLB, albumin:globulin; UA, uric acid.
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).