David J. WilsonDepartment of Animal, Dairy and Veterinary Sciences Utah Veterinary Diagnostic Laboratory School of Veterinary Medicine, WashingtonIdaho-Montana-Utah Regional Program in Veterinary Medicine, Utah State University, Logan, UT 84341.
Thomas J. BaldwinDepartment of Animal, Dairy and Veterinary Sciences Utah Veterinary Diagnostic Laboratory School of Veterinary Medicine, WashingtonIdaho-Montana-Utah Regional Program in Veterinary Medicine, Utah State University, Logan, UT 84341.
Kerry A. RoodDepartment of Animal, Dairy and Veterinary Sciences School of Veterinary Medicine, WashingtonIdaho-Montana-Utah Regional Program in Veterinary Medicine, Utah State University, Logan, UT 84341.