date:May 29, 2014
me have a death rate of about 30 percent, compared to near-total death loss among newborn piglets during the first outbreak, he said.
The incidence of the disease re-breaking on farms after it appeared to have been wiped out, indicates that the risk for ongoing severe losses from the virus is bigger than previously expected. The lack of long-term immunity also means hog producers must keep up strict bio-security measures to fight the disease, which has already spread to 30 states.
The virus do