CAST papers are the foundation of CAST’s science communication work. Developed by expert-led task forces, these peer-reviewed publications translate agricultural science into trusted insights that inform policy, guide public understanding, and fuel CAST programs, dialogues, and educational initiatives.

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Pasteurellosis Transmission Risks between Domestic and Wild Sheep

Task Force Chairs
Colorado Division of Wildlife, Wildlife Research Center
Authors
Animal Disease Research Unit, USDA–ARS; Department of Veterinary Microbiology and Pathology, Washington State University
Caine Veterinary Teaching and Research Center, University of Idaho
Abstract
Native North American wild sheep species are very susceptible to pneumonia and particularly to pasteurellosis. Although the current understanding about pasteurellosis in wild and domestic sheep is incomplete, respiratory disease clearly is a serious problem in both. This Commentary discusses pneumonic pasteurellosis in domestic sheep, pasteurellosis in wild sheep, and the risks to wild sheep associated with domestic sheep interactions. The authors also address research needs and strategies for minimizing the risk of interspecies disease transmission.
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Reviewers
Oklahoma State University
Wyoming State Veterinarian
Washington State University
CAST Liaisons
American Veterinary Medical Association
Clemson University