| Parameters | Divagation (%) | Semi-stable (%) | Stable alone (%) | Overall (%) |
| Prevntive measure | ||||
| Quarantine | 20 | 2 | 1 | 23 |
| Pest control | 14 | 1 | 1 | 16 |
| Vaccination | 4 | 3 | 3 | 10 |
| Stabulation | 6 | 7 | 1 | 14 |
| None | 28 | 6 | 3 | 37 |