Table 4.
Activity of the tested enzymes (aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase (AP) in the blood serum of the experimental chickens. *—statistically significant differences between groups, p ≤ 0.05.
| Age of Birds | Feed Additives | AST (U/L) | ALT (U/L) | AP (U/L) |
|---|---|---|---|---|
| 7 days | Synbiotic A | 261.6 ± 42.7 | 9.8 ± 5.2 | 2839.1 ± 397.6 *DEK |
| Synbiotic B | 228.1 ± 33.3 | 8.9 ± 3.3 | 3051.0 ± 572.0 *DEK | |
| Synbiotic C | 263.3 ± 63.9 | 6.2 ± 3.7 | 3556.2 ± 1345.3 *EK | |
| Bioplus® YC (D) | 248.7 ± 24.3 | 6.0 ± 1.9 | 4763.9 ± 708.7 *AB | |
| Cylactin® (E) | 239.6 ± 42.7 | 5.7 ± 2.2 | 5032,6 ± 104.1 *ABC | |
| Without (K) | 220.6 ± 21.1 | 6.0 ± 3.0 | 4957.2 ± 165.3 *ABC | |
| 14 days | Synbiotic A | 237.3 ± 22.7 | 6.9 ± 4.2 | 4718.0 ± 627.3 |
| Synbiotic B | 228.3 ± 16.9 | 3.7 ± 3.3 | 4266.4 ± 535.6 | |
| Synbiotic C | 234.1 ± 15.1 | 6.6 ± 4.7 | 4021.2 ± 819.9 | |
| Bioplus® YC (D) | 247.0 ± 31.1 | 6.1 ± 4.3 | 3883.8 ± 1272.6 | |
| Cylactin® (E) | 225.6 ± 15.7 | 8.7 ± 3.2 | 4684.9 ± 616.6 | |
| Without (K) | 224.8 ± 9.7 | 9.1 ± 4.6 | 4602.5 ± 1061.2 | |
| 28 days | Synbiotic A | 264.1 ± 42.4 | 8.6 ± 6.6 | 2067.8 ± 506.9 |
| Synbiotic B | 304.1 ± 63.8 | 7.3 ± 5.2 | 1567.6 ± 308.0 | |
| Synbiotic C | 307.5 ± 73.4 | 7.6 ± 4.2 | 2462.9 ± 339.8 | |
| Bioplus® YC (D) | 277.9 ± 33.9 | 8.3 ± 4.0 | 2025.1 ± 799.8 | |
| Cylactin® (E) | 253.3 ± 46.8 | 5.4 ± 3.3 | 1874.0 ± 710.1 | |
| Without (K) | 279.0 ± 53.6 | 8.8 ± 2.6 | 2250.3 ± 1686.2 | |
| 42 days | Synbiotic A | 299.8 ± 107.4 *K | 3.9 ± 1.6 | 1255.7 ± 286.6 |
| Synbiotic B | 384.2 ± 31.1 *K | 4.8 ± 3.6 | 940.2 ± 264.2 | |
| Synbiotic C | 376.6 ± 63.5 *K | 6.0 ± 2.8 | 792.1 ± 276.8 | |
| Bioplus® YC (D) | 365.2 ± 91.5 *K | 7.4 ± 4.5 | 1774.9 ± 320.8 | |
| Cylactin® (E) | 402.4 ± 20.0 *K | 8.0 ± 4.8 | 1057.0 ± 326.8 | |
| Without (K) | 834.6 ± 123.7 *ABCDE | 5.0 ± 2.0 | 1728.0 ± 303.7 |