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Bulletin No. 25 - Summer 2006
VirologyPorcine Reproductive and Respiratory Syndrome (PRRS)
MOLINA RM, HERMANN J, ROWLAND RRR, CHRISTOPHER-HENNING J, NELSON E, LUNNEY J, YOON KJ, ZIMMERMAN J
Management of PRRS persistence: identification of persistently infected swine.
Proceedings of the International PRRS Symposium, December 2005, poster n°66
A total of 165 piglets of 2 weeks of age were included in this study: 109 of them were inoculated with PRRSV (VR-2332), the remaining piglets were kept as controls. Two to ten pigs were euthanized every 2 weeks until day 202 post-inoculation (DPI), tonsil samples were collected and tested by PCR. Results show that PRRSV can achieve persistent infection even beyond 200 DPI.
