Table 4.
Analysis of serum indices in beef cattle under heat stressed between three groups
| Items | CN | LC | HC |
|---|---|---|---|
| HSP70 (ng/mL) | 18.67 ± 1.17a | 17.78 ± 0.54b | 16.87 ± 1.60c |
| Cor (ng/mL) | 91.55 ± 1.83a | 80.96 ± 0.60ab | 72.63 ± 4.22b |
| LDH (U/L) | 696.00 ± 10.65a | 601.00 ± 8.97b | 583.00 ± 3.76b |
| IgG (ng/mL) | 7.96 ± 1.16b | 9.62 ± 0.44ab | 12.30 ± 1.18a |
| IgA (ng/mL) | 3.57 ± 0.24 | 4.29 ± 0.43 | 4.60 ± 0.66 |
| IL-2 (pg/mL) | 308.75 ± 2.40c | 332.81 ± 2.16b | 340.47 ± 0.43a |
| IL-6 (pg/mL) | 316.17 ± 15.25 | 327.69 ± 4.43 | 336.81 ± 4.80 |
| ALT (U/L) | 27.50 ± 2.02 | 29.50 ± 0.87 | 31.00 ± 3.21 |
| AST (U/L) | 78.00 ± 6.06 | 84.50 ± 9.49 | 90.25 ± 4.94 |
| T-AOC (mmol/L) | 0.27 ± 0.03b | 0.36 ± 0.01a | 0.33 ± 0.01ab |
| MDA (mmol/L) | 25.21 ± 1.67 | 24.93 ± 0.00 | 23.47 ± 0.85 |
| SOD (U/mL) | 48.73 ± 2.79b | 51.76 ± 0.58ab | 56.43 ± 0.20a |
| T4 (ng/mL) | 33.02 ± 1.06 | 33.47 ± 0.36 | 32.46 ± 0.70 |
The values were showed as the means±standard error (N = 6); Different letters showed significant difference (P < 0.05), while the same letter or no letter showed no significant difference (P > 0.05)
Cor Cortisol, LDH Lactate dehydrogenase, IgA Immunoglobulin A, IgG Immunoglobulin G, IL-2 Interleukin-2, IL-6 Interleukin-6, ALT Alanine aminotransferase, AST Aspartate aminotransferase, T-AOC Total antioxidant capacity, MDA Malondialdehyde, SOD Superoxide dismutase, T4 Thyroxine, HTR Herbal tea residue, CN no herbal tea residues, the control group, LC 15% fermented HTRs replaced, the 15% replacement group, HC 30% fermented HTRs replaced, the 30% replacement group