AP The brucellosis control program could change considerably, as a new USDA proposal would shift it from a nationwide effort to one focused on the states surrounding YellowstoneNational Park.

The Associated Press reports that federal officials and livestock agencies in Wyoming, Idaho and Montana have reached a broad agreement to fundamentally alter the government's approach to the disease, which causes pregnant cattle and other animals to miscarry.

The Yellowstone region is the last domestic reservoir of the disease, which persists in wild bison and elk.

The disease once infected an estimated 127,000 farms nationwide. But after a costly eradication program lasting decades, some federal and state officials say it's now time to shift efforts to control the disease from a nationwide program to one concentrated around Yellowstone.

The full article is available from The Missoulian.