Cattle and Bison Diseases

Bluetongue is an insect-borne, viral disease that affects sheep, cattle, and other ruminant animals around the world, including the United States.

Brucellosis (also known as contagious abortion or Bang's disease) is a costly disease of livestock and wildlife.

Bovine leukemia virus causes a blood-borne infection in the white cells of cattle, resulting in a chronic infection.

Bovine spongiform encephalopathy (BSE), widely referred to as “mad cow disease,” is a progressive and fatal disease of the nervous system in cattle.

Foot-and-mouth disease is a severe viral disease that primarily affects cloven-hoofed animals, including cows, pigs, sheep, goats, and deer.

As we learn more about this evolving situation, APHIS will continue to provide confirmatory testing for samples from livestock as well as guidance for producers, veterinarians, and state animal health officials.

Johne's disease (pronounced "yo-knees") is an infection of the small intestine that affects cattle, sheep, goats, and other ruminants (hoofed animals).

Trichomoniasis is a disease of the reproductive tract that affects cattle worldwide.

Bovine tuberculosis is a rare disease that affects mammals, including cattle, deer, goats, dogs, and people.

Vesicular stomatitis is a contagious disease of livestock, mainly affecting horses and cattle with blister-like lesions.