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Mexico to Open Chiapas Sterile‑Fly Plant Friday

Phased production will supply up to 100 million sterile flies weekly to strengthen Mexico’s campaign to suppress the gusano barrenador while U.S. authorities weigh reopening live‑cattle imports.

Overview

  • President Claudia Sheinbaum confirmed she will inaugurate the sterile‑fly production plant in Metapa de Domínguez, Chiapas, on Friday, June 26, and the facility will begin a first phase of operations.
  • Mexican officials say the plant can scale to produce as many as 100 million sterile flies per week and will ramp output gradually from an initial lower volume.
  • Reopening U.S. imports of live Mexican cattle remains a decision for U.S. sanitary authorities, and Mexico has proposed a permanent binational commission to coordinate surveillance and trade decisions.
  • States and federal agencies in Mexico report stepped‑up trapping, surveillance and ongoing sterile‑fly releases, and recent confirmations of the pest in Texas and New Mexico have renewed binational talks and response activity.
  • Producers shifted toward processed beef exports after the border closure, increasing packaged‑meat shipments by about 23–30% last year, and ranchers face continued financial strain while eradication efforts are expected to take many months or longer.