Study Shows One-Fifth of Female Bison Infected

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Science  20 Jun 1997:
Vol. 276, Issue 5320, pp. 1786
DOI: 10.1126/science.276.5320.1786b

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Yvonne Baskin BOZEMAN, MONTANA-- As the National Research Council launches its novel study of the threat to cattle posed by Yellowstone's bison, scientists are beginning to make headway on the source of the threat--brucellosis. At a meeting on bison ecology and management here last week, researchers reported that one-fifth of the females in the herd appear to be infected.