Table 6.
The effect of thermal manipulation at 12 to 18 d of incubation on some blood biochemical parameters of hatched chicks.
| Parameters | G1 | G2 | P value |
|---|---|---|---|
| (Control) | (T.M.) | ||
| Total protein (g/dL) | 2.80b ± 0.12 | 3.88a ± 0.09 | 0.001 |
| Albumin (g/dL) | 1.69b ± 0.13 | 2.22a ± 0.12 | 0.032 |
| Globulin (g/dL) | 1.28 ± 0 .13 | 1.19 ± 0.12 | 0.422 |
| A/G ratio | 1.59b ± 0 .19 | 2.06a ± 0.12 | 0.011 |
| IgG (mg/dL) | 3.52 ± 0.12 | 3.63 ± 0.19 | 0.714 |
| IgM (mg/dL) | 0.99b ± 0.01 | 1.44a ± 0.14 | 0.012 |
| AST (U/L) | 54.77a ± 0.83 | 39.17b ± 0.53 | 0.002 |
| ALT (U/L) | 19.48a ± 0.48 | 16.79b ± 0.05 | 0.001 |
| Glucose (mg/dL) | 101b ± 3.49 | 125.80a ± 2.78 | 0.001 |
| Calcium (mg/dL) | 9.91b ± 0 .31 | 10.89a ± 0.09 | 0.001 |
| Phosphorus (mg/dL) | 10.71a ± 0 .58 | 7.60b ± 0.20 | 0.002 |
| Ca/P ratio | 0.96b ± 0 .07 | 1.64a ± 0.04 | 0.001 |
| Cholesterol (mg/dL) | 292.57a ± 14.91 | 204.12b ± 13.79 | 0.002 |
| Triglycerides (mg/dL) | 157.80 ± 7.78 | 148.30 ± 10.81 | 0.180 |
| Total antioxidant (mg/dL) | 1.89b ± 0.09 | 2.78a ± 0.12 | 0.002 |
| Malondialdehyde (nmol/mL) | 1.67 ± 0.13 | 1.38 ± 0 .14 | 0.195 |
| Triiodothyronine (T3) (ng/mL) | 1.37b ± 0.15 | 2.03a ± 0.11 | 0.002 |
| Thyroxine (T4) (ng/mL) | 11.89a ± 0.162 | 9.40b ± 0.30 | 0.001 |
| T3/T4 ratio | 0.11b ± 0.008 | 0.21a ± 0.010 | 0.001 |
| Corticosterone (ng/mL) | 25.01a ± 1.33 | 17.66b ± 0.93 | 0.005 |
a,b
Means having different letters in the same row are significantly different (P ≤ 0.05).
T.M. = temperature manipulation.