New World Screwworm Detected in Texas Calf
New World Screwworm Case Confirmed in U.S.
University Of Illinois Urbana-champaign
Image: University Of Illinois Urbana-champaign
A case of the New World screwworm was confirmed in a Texas calf on June 3, 2026. This pest poses a threat to livestock, pets, and wildlife, prompting the U.S. Department of Agriculture to issue guidance for veterinary professionals.
- 01The New World screwworm (Cochliomyia hominivorax) was confirmed in a Texas calf.
- 02The detection occurred on June 3, 2026.
- 03The pest affects livestock, pets, wildlife, and occasionally humans and birds.
- 04The American Veterinary Medical Association has provided resources for veterinary professionals.
- 05Federal resources regarding the screwworm are available for further assistance.
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The New World screwworm (Cochliomyia hominivorax) has been confirmed in a Texas calf as of June 3, 2026. This pest is known to significantly impact livestock, pets, and wildlife, and can also affect humans and birds, though less frequently. In response to this outbreak, the U.S. Department of Agriculture has issued guidance for veterinary professionals, which includes a recap of the pest's history in the United States and a list of federal resources available for managing the situation. The American Veterinary Medical Association has also published relevant information to assist in addressing the outbreak.
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The presence of the New World screwworm poses a significant risk to local livestock and wildlife populations in Texas.
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