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Livestock and Poultry Disease

Last Modified: April 10, 2024

We protect against diseases that could harm the health, quality, or marketability of our Nation's agricultural animals. With a vast network of partners, our Veterinary Services team helps U.S. producers prevent, control, and when possible, eliminate these diseases from our country.

APHIS also conducts surveillance and research on diseases and pathogens of concern in wildlife. Visit our National Wildlife Disease Program and National Wildlife Research Center to learn more.

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A field of brown and white cows stand looking at the viewer.

cervids in a farm enclosure

A brown horse wearing a bridle stands behind a fence and looks at the viewer.

A brown goat and a white sheep stand together and look at the viewer.

pig in an enclosure

Browse by animal disease (A-Z):

Animal Disease Services and Activities

Latest Updates

4/02/24

USDA Confirms Highly Pathogenic Avian Influenza in Dairy Herd in Idaho

4/01/24

USDA Confirms Highly Pathogenic Avian Influenza in Dairy Herd in New Mexico

3/01/24

Avian Metapneumovirus Update

2/26/24

APHIS Bolsters Animal Health Surveillance with Funding for Unexplained Morbidity or Mortality Investigations

2/20/24

USDA Confirms Highly Pathogenic Avian Influenza in Backyard Non-Poultry Flock in West Virginia