Elizabeth S. Williams,¹ E. Tom Thome,² Huey A. Dawson<sup>3

1</sup>Wyoming State Veterinary Laboratory, Division of Microbiology and Veterinary Medicine, University of Wyoming, Laramie, Wyoming 82071, USA
²Wyoming Game and Fish Department Research Laboratory, University Station, Box 3312, Laramie, Wyoming 82071, USA
³Wyoming Game and Fish Department, Sybille Wildlife Research Unit, Wheatland, Wyoming 82523, USA