A near-term aborted bison (Bison bison) fetus was collected near Old Faithful geyser in Yellowstone National Park, Wyoming (USA). On necropsy, the fetus liver had a small capsular tear, and there was a small quantity of blood in the peritoneal cavity. Microscopic lesions included mild, purulent bronchopneumonia and mild, multifocal, interstitial pneumonia. Brucella abortus biovar 1 was isolated from fetal abomasal contents, lung, and heart blood.
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1 July 1994
Abortion Caused by Brucella abortus Biovar 1 in a Free-ranging Bison (Bison bison) from Yellowstone National Park
Jack C. Rhyan,
William J. Quinn,
Larry S. Stackhouse,
James J. Henderson,
Darla R. Ewalt,
Janet B. Payeur,
Mark Johnson,
Mary Meagher
Journal of Wildlife Diseases
Vol. 30 • No. 3
July 1994
Vol. 30 • No. 3
July 1994
Abortion
bison
Bison bison
Brucella abortus
brucellosis
Yellowstone National Park