1. Department of Veterinary Sciences, University of Wyoming, Laramie, WY (Fluegel Dougherty, Cornish, O’Toole, Mills)
2. Wyoming State Veterinary Laboratory, Laramie, WY (Cornish, Boerger-Fields, O’Toole, Mills)
3. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services, Daniel, WY (Henderson)