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Oregon confirmed its first highly pathogenic avian influenza (H5 clade 2.3.4.4b) detection in a commercial dairy herd in Morrow County. The herd was quarantined after routine National Milk Testing Strategy surveillance, and Oregon becomes the 22nd U.S. state with bovine infections.
Officials say commercial pasteurized milk remains safe.
Dairy herd infections add to supply risk for milk output and can hit dairy product flows, though a single herd in one state is a limited shock for milk and feed demand. Market effects are likely modest unless detections spread to major dairy regions.
en.edairynews.comDamián MoraisNov 13, 2026After 22 past neutral disease events, Milk (Class III) moved a median -0.1% over 5 sessions (41% higher; middle half -1.4% to +0.5%), and +0.2% 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.
