Table 2 Clinical scoring system used for daily animal observation during experimental M. suis infection (in accordance with Stadler et al. [12])
Score points | Ears | Skin | Body temperature | Behavior | Feed intake | Respiration |
|---|---|---|---|---|---|---|
0 | No alterations | No alterations | < 40 °C | No alterations | No alterations | No alterations |
1 | Mild cyanosis | Moderate pallor | 40–42 °C | Reduced | Reduced | Mild dyspnoe |
2 | Moderate cyanosis and necrosis | Generalised petechiae | > 42 °C | Apathy | Anorexia | Severe dyspnoe |
3 | – | Icterus | – | – | – | – |