Texas Screwworm Case Sparks Livestock Alarm
Texas Screwworm Case Sparks Livestock Alarm
US · Published Jun 4, 2026
A flesh-eating parasite once eradicated from the United States has resurfaced in a Texas calf, prompting an urgent USDA response.
The New World screwworm can infest wounds in warm-blooded animals, causing severe infections and even death.
Officials say the parasite poses a major threat to livestock production and could raise beef prices nationwide.

Why It's Important?

The presence of the New World screwworm is a serious concern for the agricultural sector, particularly for livestock producers in Texas and potentially neighboring states. The parasite can cause severe damage to livestock, leading to significant economic losses through reduced animal productivity, increased veterinary costs, and in severe cases, animal mortality. A widespread infestation could disrupt the entire livestock supply chain, potentially impacting the availability and price of beef for consumers nationwide. The swift and effective containment of this outbreak is crucial to prevent it from re-establishing itself and becoming a persistent threat to animal health and the agricultural economy. The USDA's rapid deployment of resources underscores the severity of this re-emerging pest.

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