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USDA's APHIS said on November 4, 2026 that whole-genome sequencing of H5N1 from Washington dairy cattle matched genotype B3.13 and was consistent with spread from Idaho through cattle movement. The Washington herds were first confirmed on October 8 after previously testing negative under the National Milk Testing Strategy.
Linking the Washington outbreak to cattle movement points to ongoing spread in US dairy herds, which could tighten milk supply and add pressure on dairy-cattle surveillance and trade. The direct effect on feed-ingredient prices is limited.
myvetcandy.comNov 5, 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.
