Porcine Epidemic Diarrhea

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Porcine Epidemic Diarrhea

What is Porcine Epidemic Diarrhea Virus (PEDV)?

A viral disease that can make adult pigs ill and be fatal to suckling piglets has the attention of veterinarians and pork producers across the U.S. Porcine Epidemic Diarrhea virus, or PEDV, was first diagnosed in the U.S. in spring of 2013 and has spread to multiple states. The disease has been fatal for several million suckling piglets.

Washington has no confirmed case of PED virus, but has taken action in an attempt to keep it out of our state.

Symptoms of PED virus:

  • vomiting
  • diarrhea
  • lethargic
  • poor appetite
  • dehydration

No Public Health Risk

How to protect your pig:

PEDV is spread mainly through swine fecal material so biosecurity is critical to guard against the spread of the disease.
  • Wash boots and clothing.
  • Establish a line of separation between clean and dirty areas.
  • After cleaning equipment, haul trailers, etc., sanitize the items.
  • Keep a visitor log to your premise.

Rules for importing swine to Washington state

  • Swine shipments entering Washington must be accompanied by a valid health certificate declaring that the livestock has not been exposed to PEDV and disease free.
  • The certificate must declare the pigs did not come from anywhere known to be infected by PEDV.
  • The certificate must be signed by both a licensed veterinarian and the animal owner.


For general information or to obtain a permit for importing pigs, or any livestock, call WSDA at 360-902-1878.

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