date:May 29, 2014
ified in the United States a year ago.
Matt Ackerman, whose veterinary practice is in southeastern Indiana, told Reuters the farm's operators did not want to be identified but authorized him to speak on their behalf.
The state and federal effort to stamp out PEDv has operated on an assumption that a pig, once infected, develops immunity and will not be afflicted by the disease again for at least several years. Likewise, farms that had endured the disease were not known to suffer secondary outb