Seroprevalence and risk factors associated to BHV-1 and DVBV in dairy herds in Pasto, Colombia, in 2011. Rev Lasallista Investig 2011;8(2):61-68.QUEVEDO, D. C.; BENAVIDES, B.; CARDENAS, G.; HERRERA, C. Seroprevalence and risk factors associated to BHV-1 and DVBV in dairy herds ...