Table 2.
Physiological parameters in ewes during heat stress conditions and water deprivation (n = 9)
| Items | Treatmentsc | SEM | P - value | ||
|---|---|---|---|---|---|
| CON | 2hWD | 3hWD | |||
| Respiratory rate (am,number/min) | 81.5b | 113.5a | 113.6a | 3.24 | 0.03 |
| Respiratory rate (pm,number/min) | 96.7 | 96.3 | 97.9 | 3.24 | 0.32 |
| Respiratory rate (total,number/min) | 88.8b | 107.2a | 106.1a | 2.94 | 0.02 |
| Heart rate (am,number/min) | 72.0 | 69.9 | 72.8 | 1.99 | 0.41 |
| Heart rate (pm,number/min) | 60.0 | 62.1 | 62.1 | 1.19 | 0.37 |
| Heart rate (total,number/min) | 66.0 | 66.0 | 67.5 | 1.19 | 0.59 |
| Panting score (am) | 1.4b | 2.4a | 2.1a | 0.09 | 0.04 |
| Panting score (pm) | 1.6 | 1.4 | 1.8 | 0.09 | 0.13 |
| Panting score (total) | 1.5b | 1.9a | 1.9a | 0.08 | 0.03 |
| Fecal score | 1.3 | 1.3 | 1.2 | 0.05 | 0.51 |
a, bValues within a row with different superscripts differ significantly at P < 0.05
cTreatments included free access to water (CON), 2 (2hWD) and 3 h (3hWD) water deprivation following feeding