The highly pathogenic bird flu virus that has surfaced in a Wisconsin dairy herd is not a lingering ember from earlier outbreaks in cattle. It is a fresh jump from wildlife into livestock, a new ...

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture (USDA) announced on Wednesday. Until recently, all dairy herd detections in the U.S.

Bird flu—specifically H5N1—is no longer just a poultry problem in Asia. What started as a major United States outbreak, first ...

What was once considered a “bird problem” in Asia has evolved into a significant mammal-to-mammal threat in the United States ...

State officials announced over the weekend that another case of avian flu was found in a Sioux County dairy herd, marking the 11th case of bird flu found in Iowa cattle. The Iowa Department of ...

Sudden drop in milk production, thickened milk, and cows under movement restrictions. Since 2024, American farmers have had bitter experiences with the feared bird flu (H5N1), which in several cases ...

DES MOINES — The U.S. Department of Agriculture has sent a “strike team” to Iowa to assist it with testing after the highly contagious bird flu usually associated with poultry flocks now has been ...