Institution: | 1. Institute of Parasitology, Hannover School of Veterinary Medicine, Buenteweg 17, D-30559, Hannover, Germany;2. Institute of Organic Farming of Johann Heinrich von Thünen-Institut, Federal Research Institute for Rural Areas, Forestry and Fisheries, Trenthorst 32, D-23847, Westerau, Germany;3. Michael Larsen, Sanos Bioscience A/S, Lersø Parkallé 42-44, DK-2100 København, Denmark |