1. Institute of Food Quality and Food Safety; University of Veterinary Medicine Hannover, Foundation; Bischofsholer Damm Hannover Germany
2. Department of Animal Sciences, Quality of Food of Animal Origin; Georg-August-University Goettingen; Albrecht-Thaer Weg Goettingen Germany
3. Leibniz Institute for Farm Animal Biology (FBN); Institute for Genome Biology; Wilhelm-Stahl-Allee Dummerstorf Germany