¹M. Iwersen, ¹S. Reiter, ¹V. Schweinzer, ²F. Kickinger, ²M. Öhlschuster, ²L. Lidauer, ²A. Berger, ²W. Auer, ¹M. Drillich

1. Clinical Unit for Herd Health Management in Ruminants, University Clinic for Ruminants, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, 1210 Vienna,
2. Smartbow GmbH, 4675 Weibern, Austria