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The New World screwworm outbreak in Mexico has led to an almost year-long blockade on imported Mexican cattle. The halt has disrupted domestic feedlots and long-standing cross-border business relationships.
With Mexican feeder cattle excluded, US feeder supplies stay tight, which supports cattle prices and keeps feedlot input demand under pressure.
washingtonpost.comKarin BrulliardJan 1, 2026After 148 past bullish disease events, Live Cattle moved a median +0.4% over 5 sessions (62% higher; middle half -0.5% to +1.2%), and +1.4% over 20.
After 122 past bullish disease events, Feeder Cattle moved a median +0.4% over 5 sessions (60% higher; middle half -1.0% to +1.6%), and +2.0% 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.
