Alonso, CarmenOtake, SatoshiDavies, PeterDee, Scott2012-12-072012-12-072011-09-17https://hdl.handle.net/11299/140435en-USswinepigherd healthEvaluation study of interventions for reducing the risk of PRRSV introduction into filtered farms via retrograde air movement (back-drafting) through idle fansConference Paper