Rejean C. LefebvreDepartment of Clinical Science, Faculty of Veterinary Medicine, University of Montreal, 3200 Rue Sicotte, St-Hyacinthe, QC J2S 7C6, Canada.
Anne M. BélangerDepartment of Clinical Science, Faculty of Veterinary Medicine, University of Montreal, 3200 Rue Sicotte, St-Hyacinthe, QC J2S 7C6, Canada.