1. Department of Animal Hygiene, Herd Health and Mobile Clinic, University of Veterinary Medicine, 1078 Budapest, Hungary
2. Department of Pharmacology and Toxicology, University of Veterinary Medicine, 1078 Budapest, Hungary
3. Clinic for Cattle, University of Veterinary Medicine Hannover, Foundation, 30173 Hannover, Germany
4. Centre for Animal Welfare, University of Veterinary Medicine, 1078 Budapest, Hungary