1. 378 rue de l’Eglise, F-27450 Saint Georges-du-Vièvre, France
2. Department of Animal and Veterinary Science, Charles Sturt University, Wagga Wagga, NSW, Australia
3. Betzhorn-Apfelstrasse 6, D-29399 Wahrenholz, Germany
4. Department of Farm Animals and Veterinary Public Health, Institute of Meat Hygiene, Meat Technology and Food Science at the University of Veterinary Medicine, Veterinärplatz 1, A-1210 Vienna, Austria