Biosecurity is first line of defense against swine disease

摘要

IT certainly has been an unusual summer for the swine industry, with a greater frequency of viral disease challenges caused by porcine reproductive and respiratory syndrome (PRRS) virus, influenza virus and Seneca Valley virus (SW).It is usually thought that the heat of summer reduces virus circulation among swine herds, so the challenges of this summer have served as good reminders of how important biosecurity is year-round.