USDA Says No Other Infested Animals Where Screwworm Was Found

June 4, 2026, 8:44 PM UTC

Agriculture Secretary Brooke Rollins said there are no other infested animals on the South Texas ranch where the New World screwworm case was confirmed Wednesday in a three-week-old calf.

  • There is no evidence of recent movement of animals onto or off of the premise, Rollins said on a Thursday call with reporters
  • Four million sterile flies are being released to the affected area per week
  • In addition to the 12 products available to treat screwworm in a variety of species, the Food and Drug Administration is also working “very diligently” to provide a medicated feed option “as soon as possible,” ...

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