1. Departamento de Medicina Veterinária, Centro de Ciências Agrárias, Universidade Federal do Espírito Santo, Alegre, Espírito Santo, Brazil (K.A.); Veterinary Clinical Sciences Department, College of Veterinary Medicine, University of Minnesota, St. Paul, MN (J.A.); and Centre for Companion Animal Health, School of Veterinary Medicine, The University of Queensland, Brisbane, Australia (M.C., J.R.).