Table 3.
Effects of heat stress on serum reproductive hormones and total cholesterol levels in male cavies.
| Hormones and cholesterol concentrations | Levels of temperature (°C) | p-value | |||
|---|---|---|---|---|---|
|
20–25 n = 12 |
32 ± 1 n = 12 |
39 ± 1 n = 12 |
46 ± 1 n = 12 |
||
| Total cholesterol (mg/dl) | 86.87 ± 13.13b | 83.81 ± 11.76b | 113.86 ± 6.81a | 120.73 ± 13.75a | <0.001 |
| FSH (mUI ml−1) | 12.25 ± 2.36 | 9.01 ± 2.35 | 10.25 ± 2.22 | 9.21 ± 1.79 | >0.05 |
| LH (mUI ml−1) | 10.03 ± 2.13a | 4.88 ± 1.13b | 6.55 ± 1.21b | 4.88 ± 1.22b | <0.001 |
| Testosterone (ng ml−1) | 1.41 ± 0.44a | 0.72 ± 0, 14b | 0.55 ± 0.14bc | 0.29 ± 0.07c | <0.001 |
n: number of guinea pig.
a, b, c
Within the same row, values with the same letters are not significantly (p > 0.05) different. p: probability. FSH: follicle-stimulating hormone; LH: luteinizing hormone.