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Respiratory rate (RR) classification of the sheep according to the period of the day
| RR scale1) | Stress level | Morning % animals | Afternoon % animals |
|---|---|---|---|
| <40 breaths/min | No stress | 83.4 | 73.0 |
| 40 to 60 breaths/min | Low | 11.5 | 16.6 |
| 61 to 80 breaths/min | Medium-high | - | 4.0 |
| 81 to 120 breaths/min | High | 5.1 | 6.4 |
| Above 200 breaths/min | Severe | - | - |
Scale adapted from Silanikove (2000).
