Table 1.
Effects of chronic heat stress and HMSeBA supplementation on serum biochemical and endocrine parameters of growing pigs
| Parameters | CON | CHS | CHS+ 0.2HMSeBA |
CHS+ 0.4HMSeBA |
CHS+ 0.6HMSeBA |
ANOVA P-value |
|---|---|---|---|---|---|---|
| ALT, U/L | 45.8 ± 3.5 | 48.0 ± 2.6 | 48.5 ± 4.7 | 47.2 ± 5.0 | 42.7 ± 1.6 | 0.807 |
| AST, U/L | 25.4 ± 2.0 | 38.5 ± 4.8 | 41.5 ± 2.7 | 35.0 ± 5.0 | 33.8 ± 3.4 | 0.101 |
| TBA, μmol/L | 25.7 ± 3.0b | 56.1 ± 6.4a | 48.9 ± 6.7a | 56.0 ± 6.9a | 55.6 ± 8.8a | 0.017 |
| F-insulin, μIU/mL | 15.10 ± 2.63a | 10.08 ± 0.98b | 9.94 ± 0.70b | 9.80 ± 0.76b | 9.32 ± 0.69b | 0.036 |
| T3, ng/mL | 0.65 ± 0.08a | 0.45 ± 0.08b | 0.42 ± 0.04b | 0.34 ± 0.03b | 0.39 ± 0.03b | 0.014 |
| T4, ng/mL | 50.72 ± 2.31 | 37.08 ± 5.00 | 39.10 ± 3.25 | 34.89 ± 3.27 | 39.67 ± 1.02 | 0.055 |
| GLU, mmol/L | 5.30 ± 0.44 | 5.54 ± 0.15 | 5.06 ± 0.44 | 5.25 ± 0.42 | 5.67 ± 0.36 | 0.801 |
| TG, mmol/L | 0.52 ± 0.04 | 0.49 ± 0.03 | 0.53 ± 0.03 | 0.51 ± 0.03 | 0.54 ± 0.07 | 0.929 |
| CHO, mmol/L | 3.04 ± 0.11 | 3.28 ± 0.13 | 3.17 ± 0.16 | 3.14 ± 0.17 | 2.98 ± 0.13 | 0.597 |
| LDL-C, mmol/L | 1.04 ± 0.04c | 1.36 ± 0.06a | 1.27 ± 0.06ab | 1.37 ± 0.08a | 1.13 ± 0.05bc | 0.002 |
| HDL-C, mmol/L | 0.80 ± 0.03 | 0.74 ± 0.04 | 0.74 ± 0.03 | 0.68 ± 0.05 | 0.70 ± 0.05 | 0.318 |
| NEFA, mmol/L | 0.20 ± 0.05 | 0.28 ± 0.19 | 0.27 ± 0.15 | 0.55 ± 0.25 | 0.36 ± 0.26 | 0.753 |
ALT alanine transaminase, AST aspartate aminotransferase, TBA total bile acid, F-insulin fasting insulin, GLU glucose, TG total triglycerides, CHO cholesterol, LDL-C low-density lipoprotein cholesterol, HDL-C high-density lipoprotein cholesterol, NEFA non-esterified acid, T3 triiodothyronine, T4 tetraiodothyronine. The results were expressed as mean ± SEM (n = 6). Values within a row with different superscripts differ (P < 0.05)