Screwworm control and the US cattle border
Sterile-fly production has not kept pace with the New World screwworm outbreak. The shortage contributed to a US closure of the Mexican cattle border starting in May 2025.
· Feedsoft Markets Desk
TRANSCRIPT
150 million sterile flies a week. That's current combined production in Mexico and Panama, according to the report.
A historical comparison. The 1960s eradication campaign used 500 million sterile flies a week.
Production lagged the outbreak. The shortage contributed to a US closure of the Mexican cattle border starting in May 2025.
Why cattle buyers watch. Screwworm cases and cattle-import restrictions can disrupt cross-border cattle flows.
Read the full analysis: feedsoft.ai/events/89422-how-the-us-was-left-exposed-to-the-flesh-eating-screwworm-years-into-the
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Market information, not investment advice.