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NDSU livestock economist Tim Petry says the discovery of New World screwworm in the US should not have a lasting market impact, since the parasite does not affect meat safety. He notes that Mexican feeder cattle imports of 20,000 to 25,000 head a week have been cut off since 2024, and cattle markets were already high before the US case and rose further after it.
Analysts see the outbreak as mainly a perception risk, so any price effect should be short-lived. Ongoing loss of Mexican feeder supply remains the main support for cattle prices.
agweek.comJenny SchlechtJun 10, 2026After 69 past neutral disease events, Live Cattle moved a median -0.1% over 5 sessions (42% higher; middle half -0.8% to +0.6%), and +0.9% over 20.
After 29 past neutral disease events, Feeder Cattle moved a median +0.6% over 5 sessions (62% higher; middle half -1.5% to +2.2%), and +1.0% 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.
