Frequently Asked Questions (FAQs)
Asked: 29/1/2008, 08:36 by Almarie Prinsloo.
Answered: 29/1/2008, 10:28 by Douglas Welsh.
Incubation period is usually 7-14 days, but may be as short as 2 days
Subclinical form: fever (40-40.5°C) and general malaise for 1-2 days
Subacute or cardiac form: fever (39-41°C), swelling of the supraorbital fossa, eyelids, facial tissues, neck, thorax, brisket and shoulders. Death usually within 1 week
Acute respiratory form: fever (40-41°C), dyspnoea, spasmodic coughing, dilated nostrils with frothy fluid oozing out, redness of conjunctivae, death from anoxia within 1 week
A mixed form (cardiac and pulmonary) occurs frequently: pulmonary signs of a mild nature that do not progress, oedematous swellings and effusions, death from cardiac failure, usually within 1 week
In the majority of cases, the subclinical cardiac form is suddenly followed by marked dyspnoea and other signs typical of the pulmonary form
A nervous form may occur, though it is rare