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Bird flu has infected 1,222 US dairy herds in 21 states since March 2024 and has spread to 40 Washington dairies. USDA has not yet licensed a dairy cattle vaccine, though several candidates are in field trials, and a University of Pennsylvania and USDA study reported an immune response in four vaccinated Holstein cows.
Continued herd infections and movement controls add cost and disruption to milk production, which can support milk prices. A licensed vaccine would ease that pressure over time, but no approval is in place yet.
capitalpress.comDon JenkinsNov 3, 2026After 22 past bullish disease events, MILK moved a median -0.0% over 5 sessions (45% higher; middle half -0.9% to +0.5%), and -2.8% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
