Biosecurity remains at the center of battling Porcine Epidemic Diarrhea virus (PEDv). Two experts elaborated on the industry’s new definition of “clean” in the wake to the virus at the 2015 Iowa Pork Congress.
According to Matt Anderson, DVM, with Suidae Health and Production, with PEDv, “clean isn’t always clean enough.”
“Last year, I probably would have told you at this point in time that our biosecurity was pretty good, but it may have been relative to 20 years earlier,” Anderson says. “It wasn’t good compared to today. I hope a year from now we’re better off than we are today.”
One of the issues in battling PEDv is its ability to spread infection with very little virus. Darin Madson, DVM, PhD, DACVP, College of Veterinary Medicine, Iowa State University, elaborated on the disease’s viral nature.
“It takes very few particles to cause infection. In essence, one to two virus particles is enough to infect a day-old piglet,” says Madson.
As a result, traditional means of disinfecting trailers and rooms still allow enough virus to remain. Studies suggest that heating a room or trailer to 160 degrees Fahrenheit, when maintained for 10 minutes, is successful in inactivating PEDv in feces. Click here for more information or to read the latest paper from Iowa State University researchers.
Anderson stresses that the key to PEDv isn’t just to eliminate PEDv from hog herds – it’s to avoid PEDv altogether.
“Keep it out when you can, eliminate it if you must but be generally unwilling to live with ongoing infection,” he says.
For more on PEDv, check out the March issue of PorkNetwork magazine, available online soon.