Affiliation: | (1) Department of Veterinary Parasitology, Oklahoma State University, 74078 Stillwater, Oklahoma, USA;(2) Department of Microbiology and Public Health, Oklahoma State University, 74078 Stillwater, Oklahoma, USA;(3) Department of Zoology, Oklahoma State University, 74078 Stillwater, Oklahoma, USA;(4) Department of Veterinary Pathology, Oklahoma State University, 74078 Stillwater, Oklahoma, USA;(5) Department of Veterinary Microbiology and Pathology, Washington State University, 99164 Pullman, Washington, USA |