Prof. Dr. Ludwig Hoelzle is Full Professor and head of the Department of Livestock Infectiology and Environmental Hygiene, Institute of Animal Sciences, University of Hohenheim, Germany. He studied veterinary medicine and is specialized in veterinary microbiology and animal hygiene. L. Hoelzle has longstanding experience in classical and molecular microbial diagnostics. His research topics mainly include:pathobiology, ARB, biosecurity, disinfection.