Table 1.
Variation in blood lactate, creatine kinase (CK) and cortisol concentrations by season (winter and summer), travel duration (6, 12 and 18 h) and trailer compartment location (C1, C4, C5 and C10).
| Season (S) | Duration (D) | Compartment (C) | p Value | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Winter 48 |
Summer 48 |
SEM | 6 h 32 |
12 h 32 |
18 h 32 |
SEM | C1 24 |
C4 24 |
C5 24 |
C10 24 |
SEM | S | D | C |
| CK * (U/L) | 2734 b
(2054–3639) |
4424 a
(3324–5888) |
2720 b
(2212–3343) |
3542 a
(2881–4354) |
4367 a
(3552–5368) |
2612 b
(2087–3269) |
4194 a
(3351–5248) |
3436 a,b
(2745–4300) |
3887 a
(3106–3887) |
0.03 | <0.001 | 0.002 | |||
| Lactate (mM) | 20.72 | 16.53 | 1.89 | 19.86 | 18.86 | 17.43 | 1.48 | 18.12 | 19.58 | 18.32 | 18.48 | 1.54 | 0.17 | 0.14 | 0.66 |
| Cortisol (ng/mL) | 27.10 b | 36.60 a | 2.06 | 32.28 | 32.32 | 30.95 | 1.67 | 30.56 | 31.43 | 32.37 | 33.04 | 1.77 | 0.02 | 0.55 | 0.47 |
* The values in brackets are lower and upper values of 95% confidence interval. a,b Within a row, least squares means without a common superscript differ (p < 0.05).