Affiliation: | 1.Institute of Pharmacology, Pharmacy and Toxicology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 15, 04103, Leipzig, Germany ;2.Federal Office of Consumer Protection and Food Safety (BVL), Referat 305 Postfach 110260, 10832, Berlin, Germany ;3.Clinic for Animal Reproduction, Faculty of Veterinary Medicine, Freie Universität Berlin, Königsweg 65, 14163, Berlin, Germany ; |