Table 6.
The liver metabolic enzymes in blood in common carp, Cyprinus carpio, after 60 days of supplementation with experimental diets.
| Status | Parameters | T 1 (control) | T 2 | T 3 | T 4 | T 5 |
|---|---|---|---|---|---|---|
| Before challenge | ALT (U/l) | 24.83 ± 1.87a | 23.16 ± 1.58ab | 21.00 ± 1.73ab | 18.50 ± 1.44ab | 16.66 ± 1.20b |
| AST (U/l) | 93.33 ± 4.37a | 88.33 ± 5.81ab | 78.00 ± 4.93ab | 75.66 ± 6.35ab | 64.66 ± 5.20b | |
| ALP (U/l) | 135.00 ± 8.66 | 127.66 ± 6.48 | 121.00 ± 7.81 | 117.00 ± 6.08 | 107.66 ± 5.36 | |
| LDH (U/l) | 586.00 ± 10.21a | 553.33 ± 14.74ab | 521.00 ± 11.59b | 462.33 ± 10.39c | 446.33 ± 14.83c | |
|
| ||||||
| After challenge | ALT (U/l) | 27.83 ± 1.87a | 25.83 ± 1.64ab | 24.33 ± 1.45ab | 20.63 ± 2.58ab | 17.66 ± 1.20b |
| AST (U/l) | 119.66 ± 4.09a | 108.33 ± 3.75ab | 97.33 ± 4.66bc | 84.66 ± 4.80cd | 73.33 ± 6.06d | |
| ALP (U/l) | 160.66 ± 5.81a | 144.33 ± 5.36ab | 132.33 ± 7.21bc | 127.00 ± 5.50bc | 110.66 ± 4.97c | |
| LDH (U/l) | 735.00 ± 13.22a | 661.66 ± 17.05b | 622.66 ± 11.85b | 483.33 ± 41.52c | 471.00 ± 18.00c | |
ALT: alanine aminotransferase; AST: aspartate aminotransferase; ALP: alkaline phosphatase; LDH: lactate dehydrogenase. T1 (control): nonsupplemented fish; T2: fish fed diet containing 1 × 106 probiotic; T3: fish fed diet containing 1 × 108 probiotic; T4: fish fed diet containing 0.5% hawthorn extract; T5: fish fed diet containing 1% hawthorn extract. Data represented as mean ± SE. Different letters in the same row indicate significant differences (P < 0.05).