New World screwworm alert

New World screwworm alert

June 5, 2026 · 10 min

About this episode

The episode discusses the resurgence of the New World screwworm and its implications for the livestock industry.

A parasite the US eliminated decades ago is back on the radar, and the clock starts the moment someone notices a “not quite right” wound. We sit down with Dr. Patrick Webb, Assistant Chief Veterinarian with the National Pork Board, to unpack what a confirmed New World screwworm case in southern Texas signals for pork producers and the wider livestock industry, and why early reporting beats waiting for certainty every time. We walk through how a suspected case typically moves from farm observ...

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