Title: Classical swine fever (Hog cholera) | The Pig Site
Headings: Classical swine fever (Hog cholera)
Classical swine fever (Hog cholera)
Background and history
Clinical signs
Acute disease
Sub-acute disease
Chronic and aberrant disease and persistent infection
Diagnosis
Post-mortem
Causes
Prevention
Vaccination
National eradication programmes
National preventative programmes
On-farm precautions
Treatment
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Content: Partial paralysis of the hind end results in a drunken walk and a tendency to fall to a sitting or lying position. Diarrhoea worsens and some pigs vomit a yellowish bile. The pigs' skins go purple, first over the ears and tail, followed by the snout, lower legs, belly and back. Affected pigs die in 10-20 days. Some pigs go into convulsions before death. Sub-acute disease
The early signs in growing pigs are similar but they progress more slowly and are less severe. Affected pigs may be ill for up to 30 days before they die. Chronic and aberrant disease and persistent infection
The virus can cross the placenta and infect the piglets in the sow's uterus. Sows that have been inadequately vaccinated that become infected, or sows which become infected with a virus of low virulence, may appear normal but give birth to shaking piglets many of which die. ( Note: