1. Division of Parasitology and Invasiology, Department of Pre-Clinical Sciences, Faculty of Veterinary Medicine , Warsaw University of Life Sciences , 02-786 Warsaw , Poland
2. Department of Large Animal Diseases with Clinic, Faculty of Veterinary Medicine , Warsaw University of Life Sciences , 02-797 Warsaw , Poland
3. Division of Pathology in Exotic, Laboratory, Non-domesticated Animals and Fish , Department of Pathology and Veterinary Diagnostics, Faculty of Veterinary Medicine , Warsaw University of Life Sciences , 02-786 Warsaw , Poland