Institution: | 1. University of Pennsylvania School of Veterinary Medicine, New Bolton Center, Kennett Square, PA;2. Virginia‐Maryland Regional College of Veterinary Medicine, Blacksburg, VA;3. Cornell University College of Veterinary Medicine, Ithaca, NY;4. B.W. Furlong & Associates, Oldwick, NJ;5. Henderson Veterinary Associates, Elizabethtown, PA;6. Pennsylvania Veterinary Laboratory, Pennsylvania Department of Agriculture, Harrisburg, PA |