Alonso GarcĂ­a-Mochales, Carmen2012-11-292012-11-292012-07http://purl.umn.edu/139905University of Minnesota. M.S. thesis. July 2012. Major: Veterinary medicine. Advisor: Peter Davies. 1 computer file (PDF); vii, 127 pages. Errata files.Abstract summary not availableen-USVeterinary medicineEpidemiological and economic implications of air filtration systems to prevent PRRSV in large sow herds.Thesis or Dissertation