The authors David E. Anderson, DVM, MS, DACVS, is Associate Dean for Research and Graduate Studies in the College of Veterinary Medicine at the University of Tennessee in Knoxville, Tennessee, USA. Matt Miesner, DVM, MS, DACVIM, is Clinical Professor and Section Head of Livestock Services in the College of Veterinary Medicine, Veterinary Health Center, Kansas State University in Manhattan, Kansas, USA. Meredyth Jones, DVM, MS, DACVIM, is Associate Professor at the College of Veterinary Medicine, Oklahoma State University in Stillwater, Oklahoma, USA.