THE ARIZONA DESERT BIGHORN SHEEP SOCIETY
ADBSS Board Meeting
June 10th, 2020 - 7:00 p.m - Embassy Suites by Hilton Scottsdale Resort (formerly Chaparral Suites Resort), 5001 N. Scottsdale Road, Scottsdale, AZ. Board of Directors meetings are available to all members and anyone interested in bighorn sheep conservation. The meetings are the second Wednesday of every month at 7:00 pm (Except December).
Chamberlain Canyon #925 - GMU 13 - Apr 24-26th, 2020
This project has been cancelled as an official ADBSS project, but volunteers are still permitted to go and the Department will be at the site working that weekend. The project will consist of removing the failing existing system and replacing it with approximately 10,000 gallon capacity tanks, constructing a 24’x 96’ apron and drinker and pipe-rail fence. SOCIAL DISTANCING WILL BE STRICTLY FOLLOWED.
In The News...
Wild & Wool; New Film Exposes Die-offs of Bighorn Sheep
Bozeman, Montana. April 17, 2020. The Wild Sheep Foundation (WSF), in partnership with Sitka Gear, has produced a new film that, for the first time, takes an in-depth look at what has been killing wild bighorn sheep since the 1930s, and has been slowing efforts to enhance populations of this iconic species.
The culprit is called Mycoplasma ovipneumoniae, or M.ovi for short. It is a bacterium carried by some domestic sheep and goats that can lead to respiratory complications and death in wild sheep. M.ovi is not a problem everywhere, or everywhere domestic and wild populations come in contact with each other, but M.ovi has been identified as a pathogen in bighorn sheep pneumonia outbreaks. These outbreaks have resulted in sporadic and, in some places, large-scale all-age die-off events in bighorn sheep, in some cases with mortalities of 70% or more of a given population. What’s exacerbating the problem is these disease episodes also result in low lamb recruitment often for decades.
“Where domestic sheep and goats and wild sheep share the same rangelands, we either have a problem or the threat of problem,” said Kevin Hurley, Vice President of Conservation & Operations for the Wild Sheep Foundation. “Domestic animals can live with M.ovi if they have it, but wild sheep have no immunity to it if they get it.”
Wild & Wool follows researchers and biologists as they monitor the health of bighorn sheep in Idaho’s Hells Canyon and the mountain ranges near Wendover, Nevada, two past and present M.ovi hot spots. The film also brings forward the story of the domestic sheep and wool production industry and the multi-generational family ranches that partially rely on U.S. Forest Service 10-year, term grazing permits.
“As viewers will learn, this is a complex issue,” explained Hurley. “One thing we do know is, with adult mortality rates and poor lamb survival year after year, in wild populations, these infected herds will not last. We can have both on the landscape, wild and domestic sheep, but just not together.”
The film was produced in cooperation with Implement Productions and Foss Media. It has been accepted by the prestigious International Wildlife Film Festival (IWFF), and debuts as a virtual online experience on Saturday, April 18, 2020.
“A whole lot of people are committed to putting more wild sheep on the mountain,” Hurley concluded. “We have the know-how to do that. It’s keeping them on the mountain where M.ovi is making us come up short.”
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