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Arizona officials outlined livestock movement rules as New World screwworm spreads across southeastern Arizona. Animals confirmed infested must remain on the property for 21 days or until wounds heal, while healthy animals may leave after inspection; officials also advise treating and monitoring infested animals to prevent larvae from completing their life cycle.
Quarantine and inspection rules can slow livestock movements and add handling costs, while wider spread could disrupt cattle marketing and production. The article describes localized controls, with no stated broad market impact yet.
azfb.orgJoanna AllhandsNov 6, 2026After 70 past bearish disease events, Live Cattle moved a median +0.0% over 5 sessions (51% higher; middle half -1.7% to +1.0%), and +0.4% over 20.
After 46 past bearish disease events, Feeder Cattle moved a median +0.3% over 5 sessions (54% higher; middle half -2.3% to +1.6%), and +1.8% 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.
