U.S. farmers are increasing pressure on the Biden administration to allow vaccinations for chickens, turkeys and cows to protect them from bird flu infections that have devastated flocks for three years. This autumn, flocks in the $67 billion U.S. poultry industry for the first time face a double risk for infections from dairies and migrating birds that can spread the disease. Bird flu, which is lethal for poultry and reduces milk output in dairy cows, has eliminated more than 100 million chickens and turkeys since 2022 in the biggest U.S. outbreak ever.

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