date:May 29, 2014
eritis.
Just because a farm broke with PEDv last year doesn't mean that they are protected from re-breaking with it this year, he said in a telephone interview.
Ackerman said he did not know why the female pigs, or sows, on the Indiana farm were re-infected after being exposed to the virus during the original outbreak last year. At the time, they were about six months to a year old. The sows are having piglets and passing limited immunity on to their offspring, he said.
The farm does an excel