| Clinical signs | Number | % |
| Anemia | 82 | 55.11 |
| Parietale suppuration | 25 | 16.5 |
| Tachycardia | 18 | 12.2 |
| Elevated serum creatinine concentrations | 17 | 11.5 |
| Vomiting | 15 | 10.1 |
| Leucocytosis | 14 | 9.5 |
| Hiccup | 12 | 8.1 |