Screwworm Parasite in Texas: What It Means for Iowa Farmers
USDA said tracing and quarantine began after the parasite’s return, with emergency sterile fly releases underway to slow spread from Mexico.
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US SCREWWORM CASES TEST FEDERAL PREPARATION
WASHINGTON — The U.S. government is fast-tracking drugs and accelerating grant funding in its multi-agency strategy to beat back the New World screwworm, a parasite that threatens the nation's beleaguered cattle herd, even as staffing cuts and a shortage of…
A Devastating Livestock Parasite Eradicated from the United States in 1966 Has Been Detected in Texas — the First Confirmed US Cattle Case in Decades
USDA APHIS confirmed the detection of New World Screwworm (Cochliomyia hominivorax) in cattle in Maverick County, Texas in 2026 — the first confirmed US cattle case in decades, following the parasite's re-emergence in livestock crossing the US-Mexico border. Here is the public health and livestock industry warning.
Texas Expands Response to New World Screwworm After First U.S. Case Confirmed » ¡Que Onda Magazine!
Texas and federal officials are intensifying efforts to contain the spread of the New World screwworm after the first U.S. case of the parasite in decades was confirmed in South Texas, raising concerns about potential impacts on the state’s livestock industry. The discovery has prompted a coordinated response involving the Texas Animal Health Commission, the […] La entrada Texas Expands Response to New World Screwworm After First U.S. Case Confi…
New World Screwworm May Be in South Texas
The Texas Secretary of Agriculture saying that screwworm had been found in La Pryor. The US Secretary of Agriculture is presumably waiting for the tests to come back from Iowa. But it is telling that a goat with screwworm was found 25 miles from the Texas border in Coahuila, not that far from La Pryor.

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