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Mexico Reports Localized Gains Against Cattle Screwworm as U.S. Keeps Live-Export Hold Near Border

Authorities press sterile-fly releases near Texas alongside expanded inspections.

Overview

  • Tyson Foods said there is no timetable for reopening live-cattle exports because cases persist in Mexico near the U.S. border, noting recent cold in Texas may have slowed spread but warning spring could raise risk.
  • USDA’s APHIS plans roughly 100 million sterile-fly releases per week and widened the treatment zone to about 50 miles inside Texas next to Tamaulipas.
  • Mexico reported progress in targeted areas: Altamira and Llera in Tamaulipas were declared pest‑free, active cases in Tamaulipas fell to eight from a peak of 16, San Luis Potosí dropped to four, and northern Veracruz stands at 28.
  • Agriculture and SENASICA said more than 261 million sterile flies were released in January alongside extensive field inspections, and the Metapa, Chiapas sterile-fly plant stands about 50% complete with start‑up projected in the first half of 2026.
  • Mexico’s Sembrando Vida program will mobilize about 427,000 participants for prevention, reporting and mass trapping targeting roughly 800,000 traps, as U.S. inspectors reviewed Sonora’s controls and producers pressed to reopen Nogales and Agua Prieta quarantine posts.