A study was performed including 69 PRRS-positive sow herds with the aim of comparing the use of PRRSV MLV and quarantine facilities with the PRRSV status of replacement gilts at first insemination.
Lars Erik Larsen
National Veterinary Institute. Denmark
Lars Erik Larsen has worked with virus infections in production animals for the last 20 years. He has been involved in research on swine viruses (diagnostic tools, molecular epidemiology and basic pathogenesis) for the last 10 years. Since 2010 he has been responsible for the diagnostic preparedness program and research regarding animal influenza virus. Lars has participated in several European projects on enzootic swine viruses. He is the leader of the of the enzootic virus research group at DTU and coordinate the national surveillance program on Avian and Swine influenza viruses.
Lars has published more than 80 papers in peer reviewed journals and more than 150 other publications.
Updated CV 08-Mar-2017
Although the use of vaccination was effective in stabilizing the sows, the results of these case studies emphasized that elimination of PRRSV from the nursery can only be accomplished if vaccination and partial depopulation/ disinfection are supported by strict implementation of all recommended management procedures, including AI/AO.