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EDEN – Extension Disaster Education Network
Fact Sheet

The New World Screwworm Threat To Swine Producers

Texas A&M UniversityTexasAdded Jul 16, 2026

Various livestock species, including pigs, are at risk of infestation in New World screwworm (NWS) endemic areas. Myiasis due to NWS can impact general health and well-being of pigs and is potentially fatal depending on anatomic location, severity of infestation, and timing from diagnosis to proper treatment.

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