The ongoing NWS story is going to occupy current news for a time. “A case of New World screwworm has been confirmed in South Texas near La Pryor, according to USDA.” NWS is back in the U.S. for the first time in 60 years. Animal health pros who share updates and actionable information can help animal owners monitor and identify infestations.
This situation is evolving, and we can expect new information to emerge. A second case was reported on June 6th, causing Canada to suspend livestock imports from Texas <Link>. A June 9th report now says NWS has been found in a dog in New Mexico and Texas goat making six cases to date <Link>.
Source: Bovine Veterinarian, June 3, 2026. Link.
These are not typical maggots which typically are found on the surface of a wound. Instead, they burrow deeper into the wound and cause it to become larger. Almost any wound can be infested, and the maggots can crawl through the wound from a tick bite.” – Brian S. Burks, DVM
Also see:
- Flesh-eating New World screwworm detected in Texas calf, CNN, June 3, 2026. Link. The parasite is also a threat to wildlife and pets. Pet owners are urged to keep a close watch for signs of discomfort, open wounds or larvae or eggs near body openings.
- Texas State DVM Bud Dinges details quarantine, surveillance efforts, and producer action steps, Oklahoma Farm Report, June 4, 2026. Link.
- New World Screw Worm Myiasis (Cochliomyia hominivorax), Fox Run Equine, Facebook, June 5, 2026. Link. Brian S. Burks, DVM describes NWS, treatment and more. . .
Image: Link.
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