A PRRS positive farm that reached stability has suffered the disease again. What should be done?
A user from Chile asked the following question through the section "Updates on PRRS" of PRRSControl site:
"A PRRS positive Site I farm, that had reached stability, has suffered the disease again. What management should be carried out: close the farm and infect the sows again as it was done on the first occasion? At this moment, PRRS vaccine is not used"
See Enric Mateu's answer below...
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