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.
Braun, Ueli; Reichle, S F; Reichert, C; Hässig, Michael; Stalder, H P; Bachofen, Claudia; Peterhans, E (2014). Sheep persistently infected with Border disease readily transmit virus to calves seronegative to BVD virus. Veterinary Microbiology, 168(1):98-104.