In the guide
This guidance is for Wales
Classical swine fever (CSF) is a highly contagious viral disease of pigs. In its acute form the disease generally results in high morbidity and mortality.
It causes damage to blood vessels throughout the infected pig's body. This results in widespread haemorrhages, which may be seen in live pigs as blotching and discolouration of the skin, particularly of the extremities. The disease is caused by a virus, of which there are three serotypes.
CSF, if left unchecked, could cause severe economic losses to the industry, which may have an impact on rural society. An outbreak of disease would result in severe restrictions on the movement of animals and the export of live pigs and pig products. From a welfare perspective, severe forms of the disease cause significant animal suffering.
Affected pigs may show any of a wide range of clinical signs, reflecting the fact that the virus affects most organs and systems.
For pigs kept indoors, some may be found dead without previous signs of ill-health. Others may refuse to feed, become dull and reluctant to move, and show a high fever with blotching, reddening or purplish discolouration of the skin. They may huddle together. A discharge from the eyes may develop. They may experience constipation, diarrhoea, coughing or vomiting. They may walk with a swaying movement of the hindquarters, show obvious lack of coordination or walk in circles. Some pigs may have convulsions and pregnant sows may abort.
In outdoor breeding herds, or in cases of less severe forms of the infection, affected pigs may show very little apparent illness but may experience abortion, reduced litter size or the birth of weak or trembling piglets. A few pigs at a time may lose their appetite. As they recover, other pigs become affected. They may have runny or 'sticky' eyes or diarrhoea. The herd is likely to suffer an increase in breeding problems such as abortions, the birth of mummified or stillborn piglets, or congenital tremor. Mortality is ultimately likely to increase, particularly with pre-weaning piglets.
Classical swine fever is a notifiable disease. If you suspect CSF you must tell the Animal and Plant Health Agency (APHA) immediately by telephoning 0300 303 8268. Failure to do so is an offence.
The premises where disease is confirmed will be referred to as the infected premises and will be put under restriction so no animals, carcases, equipment or any other thing can move on or off except under the authority of a licence issued by a veterinary inspector. An approved disinfectant must be used to disinfect footwear, clothing and vehicles before entering or leaving the premises. Restrictions on spreading pig manure and slurry will also apply.
The keeper must keep accurate records to show the number and type of pigs on the premises together with the number that:
... since restrictions were imposed.
A protection zone of 3km and a surveillance zone of 10km around the infected premises where the disease has been confirmed are put in place. There are certain restrictions for keepers of pigs who are within the protection and surveillance zones.
More information on the disease control strategy for CSF in Great Britain and the contingency plan for exotic notifiable diseases can be found on the GOV.UK website. This information should be read in conjunction with the Welsh government's contingency plan for exotic animal diseases.
CSF cannot be contracted by humans so there is no risk associated with contact with infected pigs.
No, it doesn't affect food we eat and it can't be contracted by consuming pork products.
Good biosecurity. Biosecurity measures should be practised as a matter of routine. Trucks, lorries, market places and loading ramps - in or over which infected animals may have travelled - are a disease risk until properly cleansed and disinfected. Roads may also become contaminated, and viruses may be picked up and carried on the wheels of passing vehicles.
The boots, clothing and hands of any person who has been in contact with infected animals can spread the disease.
Livestock keepers can stay up to date with the latest classical swine fever developments via the APHA alerts subscription service.
More guidance on classical swine fever can be found on the GOV.UK website.
Failure to comply with these requirements is a criminal offence. The maximum penalty is a fine and six months' imprisonment.
Last reviewed / updated: October 2017
This information is intended for guidance; only the courts can give an authoritative interpretation of the law.
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