Deborah V. WilsonFrom the Department of Large Animal Clinical Sciences, Veterinary Clinical Center, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824.
Frank A. NickelsFrom the Department of Large Animal Clinical Sciences, Veterinary Clinical Center, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824.
M. Amy WilliamsFrom the Department of Large Animal Clinical Sciences, Veterinary Clinical Center, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824.