Dr. Dale Polson - Reduction of PRRS wild-type virus circulation

Foundations of Area and Regional PRRS Virus Control, Large-scale PRRS Management: Reduction of PRRS wild-type virus circulation and its applicability to PRRS Area/Regional Control Projects, by Dr. Dale Polson, Boehringer-Ingelheim Vetmedica. From the Boehringer Ingelheim Vetmedica, Inc. Swine Health Conference held December 7th, 2008 during the 2008 International PRRS Symposium, Chicago, IL, USA.