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USDA has found New World screwworm within 31 miles of the US border. Experts warn that if the fly enters the US it could further spike record beef prices by keeping more calves out of the supply chain.
USDA estimates an outbreak could cost the Texas economy $1.8 billion.
A detection this close to the border raises the risk of US movement restrictions and herd losses, which would tighten cattle supply and support feeder and live cattle prices.
reuters.comHeather SchlitzMay 29, 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.
