Porcine Epidemic Diarrhoea Virus

Porcine Epidemic Diarrhoea virus (PEDV) has had significant impact in US and Canadian pig herds since its introduction into the US from China in 2013. The most severe strains of PEDV can cause up to 100% mortality in piglets. PEDV is not present in Scotland but presents a potential threat to the Scottish pig herd.

PEDV is a coronavirus that causes severe diarrhoea. The most severe strains can cause 95-100% mortality in 1-2 week old piglets. Older animals usually show only mild clinical signs, and mortality is rare in growers, sows and gilts.

PEDV has been a notifiable disease since March 2016 following an industry campaign. Suspect cases of PEDV are reported to the Scottish Pig Disease Control Centre.

Assessment of risk of introduction of PEDV to Scotland

EPIC has conducted a risk assessment into the risk of introduction of PEDV, and other similar swine enteric coronaviruses such as swine deltacoronavirus and transmissible gastroenteritis, into Scottish pig farms. 

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