Christopher-Hennings, JaneHoller, LarryBenfield, DavidNelson, Eric2013-12-022013-12-022000-08-11https://hdl.handle.net/11299/160779en-USswinepigherd healthDetection and Duration of Porcine Reproductive and Respiratory Syndrome Virus in Semen, Serum, Peripheral Blood Mononuclear Cells and Tissues from Yorkshire, Hampshire and Landrace BoarsConference Paper