Condition and affected organ | Clinical sign | Severity grade | |||
---|---|---|---|---|---|
0 | 1 | 2 | 3 | ||
General | Appetite | Normal | Reduced | Anorexia | |
Asthenia | Absence | Reduced | Mild | Prostration | |
Fever (≥ 39.5 °C) | Absence | 39.5–40 °C | > 40 | ||
Polyuria/Polydipsia | Absence | Drinks less than twice normal amount | Drinks from 2 to 4 times normal amount | Drinks more than 4 times normal amount | |
Body condition | Weight loss | Absence | Reduced (< 10%) | Mild (10–20%) | Severe (> 20%) |
Mononuclear phagocyte system | Enlarged lymph nodes | Absence | Localized (1 or 2 enlarged nodes) | Localized (more than 2 enlarged nodes) | Generalized |
Splenomegaly | Absence | – | Presence | – | |
Hepatomegaly | Absence | – | Presence | – | |
Mucosae | Pale mucous membranes | Absence | Light (membranes pale) | Mild | Severe (membranes white) |
Jaundice | Absence | Light | Mild | Severe (yellow mucous membranes) | |
Epixtasis | Absence | Occasional | Frequent | Permanent | |
Haematuria | Absence | Light | Mild | Severe | |
Dark urine (bilirubin excretion) | Absence | Light | Mild | Severe (dark urine) | |
Vomiting | Absence | Occasional | Frequent | Haematemesis | |
Diarrhoea | Absence | Occasional | Frequent | Haematochezia | |
Melena | Absence | Occasional | Frequent | ||
Constipation | Absence | Occasional | Frequent | Severe tenesmus | |
Faeces | Normal | Dark (bilirubin excretion) | |||
Musculo-skeletal system | Limp | Absence | Light | Moderate | Severe |
Cardiac and respiratory System | Tachycardia | Absence | – | Presence | – |
Tachypnea | Absence | – | Presence | – | |
Skin | Petequias | Absence | ≤ 10% of body surface | 10–25% of body surface | ≥ 25% of body surface |
Equimosis | Absence | ≤ 10% of body surface | 10–25% of body surface | ≥ 25% of body surface |