1. Gießen/D
2. Institute of Food Chemistry and Food Biotechnology Justus Liebig University of Giessen Heinrich‐Buff‐Ring 17 35392 GieBen/D
3. Hannover/D
4. Giessen Isabel Hennig‐Pauka Field Station for Epidemiology (Bakum) University of Veterinary Medicine Hannover, Foundation Büscheler Straße 9 49456 Bakum Germany
5. Institute for Animal Hygiene Animal Welfare and Farm Animal Behaviour University of Veterinary Medicine Hannover, Foundation Bischofsholer Damm 15 (Building 116) D‐30173 Hannover Germany