How The New World Screwworm Is Threatening Animals In West Texas

When I first started hearing reports about the New World Screwworm moving across Texas, I was concerned for our ranchers and livestock producers. Then I started thinking about something even closer to home, my own pets.

Like many West Texans, we have dogs and cats that are part of the family. That's why a confirmed case of the New World Screwworm in nearby Tom Green County caught my attention.

Confirmed Case Found Near San Angelo

Officials have confirmed a case of the New World Screwworm in a cow located in northern Tom Green County between Grape Creek and Carlsbad.

In response, the City of San Angelo and Tom Green County have declared a local state of disaster. The declaration allows local officials to access state and federal resources as they work to contain the situation and prevent further spread.

Authorities say an infested zone is now being established around the detection site and will be added to the Texas Animal Health Commission's interactive map once finalized.

What Is The New World Screwworm?

The New World Screwworm is a flesh-eating parasite that lays eggs in open wounds and body openings of animals. Once the eggs hatch, the larvae feed on living tissue, causing painful and potentially life-threatening injuries.

The pest can affect:

Cattle
Horses
Sheep and goats
Wildlife
Dogs
Cats
In rare cases, humans

What West Texans Should Watch For

Animal owners should keep an eye out for:

Unusual wounds that don't heal
Drainage or foul odors from injuries
Excessive licking or irritation
Visible maggots in a wound
Animals acting sick or lethargic

Early detection is critical to preventing further spread.

What To Do If You Suspect A Case

Officials are asking livestock owners, pet owners, hunters, and ranchers to remain vigilant.

If you suspect a case of New World Screwworm in livestock, wildlife, or pets, contact the Texas Animal Health Commission, your veterinarian, or your local Texas A&M AgriLife Extension office immediately.

While officials stress that the disaster declaration does not mean there is widespread danger, the confirmed detection this close to the Big Country serves as an important reminder for all of us to keep a close eye on our animals and report anything unusual right away.

Life Cycle Of The New World Screwworm

This is how the new world Screwworm begins its life and continues.

Gallery Credit: Rudy Fernandez

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Gallery Credit: Daniel Paulus

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Gallery Credit: Chad Hasty