📅 November 6, 2026, Friday
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Texas Modifies Screwworm Infested Zones

Texas Modifies Screwworm Infested Zones

Screwworm Zone Updates in Texas

The Texas Animal Health Commission (TAHC), in coordination with the USDA's Animal and Plant Health Inspection Service (APHIS), has announced updates to New World screwworm (NWS) infested zones within the state. One zone has been released, and another has been modified. These changes follow confirmation by state and federal experts that the affected areas now meet the criteria outlined in APHIS' New World Screwworm Response Playbook for zone release.

The release and modification of these zones mean that NWS-related movement restrictions for livestock and pets within the specified areas are being lifted. However, all interstate movement requirements and international export requirements remain in effect.

Ongoing Efforts and Producer Support

Several infested zones in Texas are still active, and APHIS is continuing its collaboration with TAHC to assess conditions for potential future zone releases. Animal owners across Texas are advised to consult the TAHC website for the most current information regarding the location of infested zones, movement regulations, and area-specific requirements.

APHIS and TAHC are committed to supporting the continuity of business for producers. They will persist in employing science-based surveillance, early detection, and rapid response strategies to ensure that zones are released as soon as the established criteria are met.

Importance of Monitoring for Hunters

New World Screwworm was confirmed in Texas earlier this year, and hunters are strongly encouraged to remain vigilant. Monitoring wildlife through trail cameras and while hunting is advised. Any observed signs of an NWS infestation should be reported promptly to the local Texas Parks and Wildlife Department (TPWD) biologist. This allows for swift action by agency partners to aid in the eradication of NWS.

Historically, NWS significantly impacted white-tailed deer populations in the early 1900s. The current thriving deer population and management efforts in Texas are a testament to the importance of proper NWS management.

For comprehensive information on NWS and ongoing response activities, individuals can visit screwworm.gov and the TAHC New World Screwworm resource page.

Sources

Sources

  1. https://www.morningagclips.com/texas-releases-new-world-screwworm-infested-zones/ Morning Ag Clips, Colorado County Citizen

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