New World Screwworm Cases In Mexico Rise By More Than 50%

Cases of the flesh-eating New World screwworm in Mexico are climbing fast.

Reuters reports that more than 5,000 caes have been confirmed as of mid-August. A 53% jump since July.
Government data shows that nearly 650 active cases in livestock right now.

One industry leader told Drovers the surge is troubling, especially with extreme heat making it harder to control the parasite.

The National Cattlemen’s Beef Association says that the risein cases proves the screwworm remains a serious threat. Experts believe more producers are spotting and reporting infections.

Related Stories
RealAg Radio host Shaun Haney says farmers there are already sounding the alarm about what this could mean for the future of ag research.
Global pork production is expected to rise in the first half of 2026, despite trade volatility stemming from shifting import policies and swine disease pressures.
Even small declines in the calf crop translate into sustained supply pressure, supporting cattle prices over multiple years.
Clear right-to-repair guidance reduces downtime, repair costs, and operational risk.
Tennessee State Veterinarian Dr. Samantha Batey joined us with the latest on biosecurity efforts and the state’s new “Know Before You Show” initiative.
Texas Agriculture Commissioner Sid Miller discusses the state’s latest efforts to prevent the New World screwworm from reaching Texas.