Dr Walter U. Basso Dr. med vet PD Dipl EVPC EBVS® European Veterinary Specialist in Parasitology Member of European Veterinary Parasitology College walter.basso@vetsuisse.unibe.ch 0041 31 631 24 75 Institute of Parasitology University of Bern Länggassstrasse 122 Bern 3012 Switzerland