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Horse in New Mexico Tests Positive for Screwworm Before Livestock Imports Resume

A horse in Grant County tests positive for the parasite days before the state resumes livestock imports from Mexico.

1 publisher · 1 article · first seen 18 Sept 2026 · updated 2d ago

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  1. Horse in New Mexico infected with screwworm before Mexico livestock imports resume The Hill ·

In this story

  • New Mexico
  • Mexico
  • Department of Agriculture