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New World screwworm cases in the US have risen over recent days near the southern border, with new detections in dogs and a cat in Arizona, New Mexico and Texas, and cattle in New Mexico. USDA reports 71 total US cases, with 18 currently active.
A growing screwworm footprint in US livestock raises the risk of movement restrictions and herd losses, supporting cattle prices while adding uncertainty to the phased reopening of Mexican cattle imports.
farmweeknow.comJENNIFER CARRICO, DTN SENIOR LIVESTOCK EDITORNov 2, 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.
