Authors
Markus Zenker
Veterinary Practice Zettlitz, Zettlitz, Germany
Gábor Köller
Clinic for Ruminants and Swine, Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany
Manfred Fürll
Clinic for Ruminants and Swine, Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany
Markus Freick
Veterinary Practice Zettlitz, Zettlitz, Germany
Faculty of Agriculture/Environment/Chemistry HTW Dresden University of Applied Sciences, Dresden, Germany