what are the symptoms of pneumonia in cattle?
['Fever. The connection between BRD and fever is extremely strong. ... ', 'Depression. Affected animals hang their heads, look lethargic and often stand away from other cattle.', 'Inappetence. ... ', 'Serous nasal and eye discharge. ... ', 'Purulent nasal discharge. ... ', 'Bloody nasal discharge. ... ', 'Stiff gait. ... ', 'Crusty muzzle.']