David M. Bezekfrom the Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon L Tharp St, Columbus, OH 43210-1089.
Jamie Williamsfrom the Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon L Tharp St, Columbus, OH 43210-1089.
C. W. Myerfrom the Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon L Tharp St, Columbus, OH 43210-1089.
Bruce L. Hullfrom the Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon L Tharp St, Columbus, OH 43210-1089.