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Source: EPI Air news release

Can EPI Air help in the control of PED virus?

Commonly accepted amongst the swine industry since the first break of PED (Porcine Epidemic Diarrhea) last May in the United States was the fact that PED pathogens are transmitted by fecal contact. And that still is the primary transmission route for this deadly disease which has now resulted in a death loss exceeding 7 million piglets across the country.

However a perplexing question persists. In situations where producers have high biosecurity standards, could these pathogens also be airborne?

That question challenged the combined minds of University of Minnesota Swine Disease Eradication Center scientists Carmen Alonso, Montserrat Torremorell, Peter Raynor, Dane Goede and Peter Davies.

In earlier testing, this same team working on air decontamination had focused on the premise 'could clean air' technologies reduce the incidence of air borne influenza and PRRS? Results were so encouraging they expanded the study to include PEDV.

With funding by the UMN College of Veterinary Medicine, the National Pork Board, and the Swine Disease Eradication Center, this research team established a singular objective: To quantify the impact of the EPI technology at removing PRRS, influenza and PED viruses from aerosols generated by experimentally infected pigs.

Their testing methods involved 6-week-old pigs that were deliberately inoculated with influenza, PRRSV and PEDV and air samples collected for 24 days. Total airborne particles, total airborne viruses and virus particles as a function of size were measured with the EPI system both on and off.

With data just released May 28, 2014, this team shared these conclusions:

The EPI system was effective at reducing influenza, PRRSV and PEDV from the air.

There was a reduction of 1 to 2 logs (up to 90%) of viral particles from the air.

Summed up Dr. Torremorell, "Despite the fecal-oral route of transmission, viable PEDV can be found in the air of infected environments. Strategies for preventing the airborne transmission of PEDV should be considered as part of comprehensive biosecurity and disease control programs."

Commented Matt Baumgartner, President, BEI Inc., the Olivia, MN firm that markets EPI technology, "We're excited. This research suggests clean air as a helpful control measure. That is potentially huge to the swine industry."

BEI officials will display their clean air technology at June 3-4-5 World Pork Expo, booth 567-VIB. For immediate contact go: Or call 320-523-1644. Or follow on Twitter-EPI Air.

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