1. Department for Farm Animals and Veterinary Public Health; Institute of Animal Nutrition and Functional Plant Compounds; University of Veterinary Medicine Vienna; Vienna Austria
2. Institute of Veterinary Physiology; Freie Universität Berlin; Berlin Germany
3. Department for Farm Animals and Veterinary Public Health; Institute of Milk Hygiene, Milk Technology and Food Science; University of Veterinary Medicine Vienna; Vienna Austria
4. Department for Farm Animals and Veterinary Public Health; University Clinic for Ruminants; University of Veterinary Medicine Vienna; Vienna Austria