Prof. Josef Kamphues EBVS® European Specialist in Veterinary and Comparative Nutrition Member of European College of Veterinary and Comparative Nutrition and European College of Porcine Health Management josef.kamphues@tiho-hannover.de +49-511-856 75 08 University of Veterinary Medicine Hannover - Foundation Bischofsholer Damm 15 Hannover 30173 Germany