"Earlier this spring, California dairy farmers noted a puzzling drop in milk production in Texas, New Mexico, Idaho, Ohio, Kansas and Michigan. Weeks later, news broke that several herds in these states, as well as North Carolina, had been diagnosed with avian influenza — the same strain that has devastated bird populations across the globe and shown a troubling ability to jump to mammals.
In an effort to prevent local herds from infection, officials in California and elsewhere have imposed restrictions on cattle imports from the affected states, while the U.S. Department of Agriculture has urged livestock managers to minimize the movement of cattle as much as possible.
Although the U.S. Centers for Disease Control and Prevention believes the current risk for the general public is low, the development has left dairy farmers reeling. Never before have U.S. dairy cows been infected with H5N1 bird flu viruses.
“Nobody saw this coming,” said Michael Payne, a researcher and outreach coordinator at the Western Institute of Food Safety and Security at UC Davis."
Susanne Rust reports for the Los Angeles Times April 14, 2024.
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