Systemic
Pyrexia (Fever)
Required
Depression
General Systemic Signs
Inappetence (Anorexia)
Digestive
Reduced rumination
Respiratory
Nasal discharge
Required
Painful cough
Pathognomonic
Painful respiration
Pathognomonic
Reproductive
Reduced lactation
Musculoskeletal
Arthritis
Extended neck posture
Specific
Elbows abducted posture
Arched back