Here is the latest news as reported by the Bozeman Chronicle. By Scott McMillion. The infected cattle at Bridger, Montana, might have originated from near Emigrant (closer to Yellowstone Park, but still not an area where they would ever encounter bison).
[Governor] Schweitzer said last week that it doesn’t appear the infected herd ever commingled with bison from Yellowstone National Park, but [Montana Stockgrower’s spokesperson] Bodner said it’s too early to pinpoint the source of the disease. . . from the Chronicle.
350 cows are under quarantine. This includes 50 that had already been shipped to Iowa.
I suspect the origin will turn out to be Montana elk (which have a low, but non-existent incidence of brucellosis), or cattle shipped from Wyoming, which lost its brucellosis free status in 2005 due to infected elk from the Muddy Creek elk winter feedlot mingling with adjacent cattle.
Wyoming has since regained its brucellosis free status, but I suspect will lose it again due to the high elk infection incidence which perpetuated by winter feeding of elk.
Meanwhile Idaho held hearings on new rules so it can regain its brucellosis free status. I’ve seen no media on it yet, another indication that how serious or not this matter is thought to be depends on the activity level of political interest groups
Update. May 23. Brucellosis tests of cattle herds near Yellowstone come up negative (so far). By John Falstad. Billings Gazette.
It was suspected that the brucellosis at Bridger, Montana might have come from cattle purchased closer to Yellowstone Park — at Emigrant, Montana in Paradise Valley. Testing at the ranch at Emigrant showed no brucellosis. Other ranch herds are being tested.
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Ralph Maughan
Dr. Ralph Maughan is professor emeritus of political science at Idaho State University with specialties in natural resource politics, public opinion, interest groups, political parties, voting and elections. Aside from academic publications, he is author or co-author of three hiking/backpacking guides, and he is past President of the Western Watersheds Project.
My own view is that, without very positive contrary evidence, cattle are the source of this outbreak. The outbreaks of brucellosis in cattle attributable to elk, in Idaho and Wyoming, involved elk herds with high seroprevalence and very close contact between elk and cattle over a period of time.
APHIS, dishonest to the core, is going to work hard to attribute this outbreak to wildlife; conservationists should demand rigorous evidence for a wildlife source.
Thanks, Robert.
I hope folks who read this and everyone else, will hold their feet to the fire. Remember that the issue isn’t really about brucellosis, but about keeping livestock the dominant use in areas where economics, environment, and logic say otherwise.