Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Siegwart, Nico; Hilbe, Monika; Hässig, Michael; Braun, Ueli (2006). Increased risk of BVDV infection of calves from pregnant dams on communal Alpine pastures in Switzerland. Veterinary Journal, 172(2):386-388.