Table 5.
Blood chemical and hematological profiles of Nile tilapia-fed diets supplemented with yeast Saccharomyces cerevisiae for 90 days during the winter season.
| Parameters | T1 (control) |
T2 (5 g/kg diet) |
T3 (10 g/kg diet) |
T4 (20 g/kg diet) |
|---|---|---|---|---|
| Blood chemistry | ||||
| Total protein (g/dL) | 3.00 ± 0.20 | 3.16 ± 0.15 | 3.43 ± 0.11 | 3.40 ± 0.20 |
| Albumin (g/dL) | 1.13 ± 0.23b | 1.20 ± 0.17b | 1.53 ± 0.05a | 1.33 ± 0.05a,b |
| Globulin (g/dL) | 1.86 ± 0.11 | 1.96 ± 0.05 | 1.90 ± 0.17 | 2.06 ± 0.25 |
| AST (U/L) | 95.33 ± 8.38 | 89.33 ± 5.85 | 87.66 ± 9.29 | 90.33 ± 4.50 |
| ALT (U/L) | 52.66 ± 17.61 | 59.66 ± 14.22 | 47.00 ± 7.81 | 35.66 ± 3.78 |
| BUN (g/dL) | 2.66 ± 0.57 | 2.67 ± 0.58 | 3.33 ± 0.57 | 3.00 ± 1.00 |
| Cholesterol (g/dL) | 114.33 ± 6.02 | 110.66 ± 7.63 | 116.33 ± 7.63 | 117.33 ± 3.51 |
| Hematology | ||||
| RBC (x106cells/mm3) | 2.09 ± 0.33 | 2.10 ± 0.24 | 2.25 ± 0.35 | 2.16 ± 0.08 |
| WBC (x103cells/mm3) | 2.76 ± 1.21 | 3.16 ± 1.54 | 3.95 ± 0.51 | 2.45 ± 0.70 |
| Hemoglobin (g/dL) | 7.16 ± 1.38 | 7.56 ± 1.00 | 8.13 ± 1.00 | 7.50 ± 0.95 |
| Hematocrit (%) | 36.33 ± 8.08 | 38.33 ± 2.88 | 45.33 ± 6.42 | 42.66 ± 6.42 |
| Neutrophils (%) | 11.33 ± 2.08a,b | 9.66 ± 2.08b | 15.33 ± 3.21a | 15.00 ± 1.73a |
| Lymphocytes (%) | 84.33 ± 3.78 | 89.00 ± 1.73 | 83.66 ± 3.21 | 84.00 ± 1.73 |
| MCV | 172.81 ± 13.96 | 184.23 ± 14.28 | 201.89 ± 17.00 | 197.09 ± 23.48 |
| MCH | 34.17 ± 1.51 | 36.16 ± 0.63 | 36.22 ± 1.61 | 34.66 ± 3.42 |
| MCHC | 19.81 ± 0.75 | 19.72 ± 1.89 | 17.98 ± 0.85 | 17.61 ± 0.48 |
Note: Data are given as mean ± SD. Different superscript lowercase letters indicate significant differences (p < 0.05). RBC, erythrocyte; WBC, leukocyte.
Abbreviations: ALT, alanine aminotransferase; AST, aspartate aminotransferase; BUN, blood urea nitrogen; MCH, mean cell hemoglobin; MCHC, mean corpuscular hemoglobin concentration; MCV, mean cell volume.