A Review of Hypothesized Determinants Associated with Bighorn Sheep (Ovis canadensis) Die-Offs by David S. Miller, Eric Hoberg, Glen Weiser, Keith Aune, Mark Atkinson, Cleon Kimberling

“…Multiple determinants have been hypothesized to cause or favor disease outbreaks among free-ranging bighorn sheep (Ovis canadensis) populations. This paper considered direct and indirect causes of mortality, as well as potential interactions among proposed environmental, host, and agent determinants of disease. …”
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Effects of Mycoplasma ovipneumoniae, abundance, and climate conditions on bighorn sheep lamb:ewe ratios in New Mexico by Colton J. Padilla, Caitlin Q. Ruhl, James W. Cain III, Matthew E. Gompper

“…Abstract Mycoplasma ovipneumoniae is a primary causative agent responsible for initiating polymicrobial pneumonia in bighorn sheep (Ovis canadensis). Infections of bighorn sheep populations are typically characterized by initial all‐age epizootics followed by long‐term periods of repressed juvenile (lamb) survival. …”
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Shared Bacterial and Viral Respiratory Agents in Bighorn Sheep (Ovis canadensis), Domestic Sheep (Ovis aries), and Goats (Capra hircus) in Montana by David S. Miller, Glen C. Weiser, Keith Aune, Brent Roeder, Mark Atkinson, Neil Anderson, Thomas J. Roffe, Kim A. Keating, Phillip L. Chapman, Cleon Kimberling, Jack Rhyan, P. Ryan Clarke

“…Bighorn sheep and livestock shared exposure to Pasteurellaceae, viral, and endoparasite agents. …”
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