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The USDA is reporting 128 confirmed New World screwworm cases in Texas, New Mexico, and Arizona. Texas Animal Health Commission officials say confirmed cases have risen over recent weeks as moderate temperatures and moisture create favorable conditions for the fly.
Infested zones with animal movement controls, inspections, treatments and movement permits are being used to contain spread.
Screwworm infestations restrict livestock movement and can trigger treatment costs and reduced cattle marketings, supporting live cattle and feeder cattle prices while tightening supply for feed buyers in the affected states.
myhighplains.comMya ClarkNov 12, 2026After 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.
After 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.
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.
