Cattle and Bison Diseases
![A field of brown and white cows stand looking at the viewer.](/sites/default/files/styles/16_9_ratio/public/cattle_disease.jpg)
APHIS protects U.S. cattle and bison from a range of diseases. These include foreign, emerging, and re-emerging diseases. We monitor for these diseases, detect and respond to outbreaks, and manage national programs to control or eliminate them within our Nation's herd.