Analysis: Ranchers' deep fears of brucellosis transmission driving bison management decisions in Yellowstone NP

This spring, a rancher in Sublette (Wyoming) County held his breath as his herd of cattle, which had been under quarantine for a year and a half, underwent blood testing for brucellosis.

In two previous tests, the cattle had come out clean. If that trend continued on the third test, the ranch would be allowed to resume normal operations.

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