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11.6.23
PNEUMONIA AND BIGHORN SHEEP: TEST AND REMOVE Fact Sheet
Fatal respiratory disease (pneumonia) and its effects on populations is a primary management concern in most jurisdictions with bighorn sheep. Decades of research have identified Mycoplasma ovipneumoniae (M. ovi), a bacterium that damages the cells lining the respiratory tract, as a “trigger” that allows other bacteria to invade the lungs, causing pneumonia. To understand M. ovi infection dynamics, researchers repeatedly tested free-ranging and captive bighorn ewes from infected herds and found that some always, or almost always, tested positive for M. ovi. These long-term carriers can infect newborn lambs that have little immunity. Infected lambs spread M. ovi to other lambs in nursery groups, usually resulting in pneumonia-related deaths before 8 weeks of age. Poor to no lamb survival is common in M. ovi infected herds and is a pattern that can last for decades.
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11.3.23
WSF Policy: Films and Video Standards
One of the many things the Wild Sheep Foundation prides itself on, especially at our annual Sheep Show® Convention, is celebrating the treasured animals we hunt, our freedom to do so, and the outdoor lifestyle, memories, and contributions to conservation this freedom provides.
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10.27.23
Gray N. Thornton Q2 Address
After the close of our 2022-23 fiscal year, WSF president & CEO Gray N. Thornton shares a few new milestones and a look into the future for the Foundation and our wild sheep resources.
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