Table 4.
Effects of thymol and carvacrol eutectic on serum biochemical indexes of broilers 1.
| Item | The Supplemented Dosage of Eutectic, mg/kg | SEM | p-Value | |||||
|---|---|---|---|---|---|---|---|---|
| 0 | 30 | 60 | 120 | ANOVA | Linear | Quadratic | ||
| Serum biochemical indexes of broilers at 21 d of age | ||||||||
| Total protein (g/L) | 26.20 | 24.73 | 27.01 | 25.49 | 1.20 | 0.281 | 0.970 | 0.999 |
| Albumin (g/L) | 12.20 | 11.53 | 12.36 | 11.59 | 0.72 | 0.566 | 0.664 | 0.907 |
| Globulin (g/L) | 14.00 | 13.20 | 14.65 | 13.90 | 0.87 | 0.440 | 0.682 | 0.920 |
| Uric Acid (μmol/L) | 227.6 | 288.9 | 268.5 | 300.3 | 37.28 | 0.244 | 0.102 | 0.230 |
| IgE (U/mL) | 6.96 | 8.59 | 9.80 | 10.09 | 1.28 | 0.082 | 0.012 | 0.033 |
| IgG (mg/mL) | 17.10 | 17.92 | 21.25 | 23.99 | 3.63 | 0.230 | 0.039 | 0.116 |
| IgM (mg/mL) | 9.18 | 6.54 | 8.26 | 9.83 | 1.63 | 0.225 | 0.497 | 0.161 |
| Serum biochemical indexes of broilers at 42 d of age | ||||||||
| Total protein (g/L) | 27.26 | 27.56 | 25.13 | 23.29 | 2.35 | 0.248 | 0.057 | 0.136 |
| Albumin (g/L) | 12.40 | 13.29 | 11.83 | 10.71 | 1.14 | 0.172 | 0.081 | 0.105 |
| Globulin(g/L) | 14.86 | 14.28 | 13.30 | 12.40 | 1.40 | 0.330 | 0.061 | 0.175 |
| Uric Acid (μmol/L) |
202.1 | 247.5 | 182.0 | 191.5 | 43.20 | 0.453 | 0.482 | 0.664 |
| IgE (U/mL) | 4.96 | 5.79 | 4.93 | 5.74 | 1.12 | 0.781 | 0.958 | 0.990 |
| IgG (mg/mL) | 45.24 | 51.08 | 48.41 | 58.01 | 5.67 | 0.163 | 0.095 | 0.227 |
| IgM (mg/mL) | 10.13 | 8.11 | 3.95 | 11.61 | 4.39 | 0.347 | 0.871 | 0.315 |
1 Values are the means of 8 chickens per dietary treatment.