Bird flu risk to Danish cattle: New tool can warn farmers before infection spreads‎

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 has been introduced to cattle—and then spread rapidly among cattle herds. In some instances, humans have been infected as well. The contagious virus is increasingly being transmitted from wild birds to mammals—such as cattle.