State officials say they're worried about bison passing on disease to cattle outside the park—but wildlife managers say it's ...

Montana officials filed a lawsuit on Dec. 31 in U.S. District court alleging that the DOI and NPS have failed to keep bison ...

Ovine brucellosis is a very contagious zoonotic disease distributed worldwide and constitutes a very important zoosanitary and economic problem. The control of the disease includes animal ...

Here are some common reproductive diseases: Brucellosis in cattle causes abortions, retained after birth, and infertility. Affected cows give birth to weak calves and take longer to conceive.

Gov. Greg Gianforte and two state agencies are suing the federal government. They argue Yellowstone National Park’s new bison ...