Affiliation: | Department of Veterinary Pathology (Wobeser), Prairie Diagnostic Services (Godson), Veterinary Biomedical Sciences (Dowling), Western College of Veterinary Medicine, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4; Department of Pathology, Microbiology & Immunology, School of Veterinary Medicine, University of California, Davis, California, USA (Rejmanek) |