Institution: | 1. GPVEC- University of Nebraska-Lincoln, PO Box 148, Clay Center, NE 68933, USA;2. GPVEC- University of Nebraska-Lincoln, PO Box 148, Clay Center, NE 68933, USA;3. Livestock Veterinary Service, P.O. Box 353917 South Aurora Street, Eldon, MO 65026, USA;4. College of Veterinary Medicine, University of Minnesota, 1365 Gortner Avenue Street, Paul, MN 55108, USA |