Affiliation: | (1) Institute of Veterinary Medicine, University of Goettingen, Groner Landstrasse 2, 37073 Goettingen, Germany, DE;(2) Swiss Federal Institute of Technology, Dept. of Animal Science, ETH Zuerich, 8092 Zuerich, Switzerland, CH;(3) Department of Clinical Genetics, University of Ulm, 89069 Ulm, Germany, DE |