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Managing Fever Ticks: Understanding Quarantine Zones and Hosts in Texas

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This guide focuses on the management of fever ticks (Boophilus microplus and Boophilus annulatus) in Texas, emphasizing their significant hosts such as cattle, horses, and various deer species. It outlines the life cycle stages of ticks: eggs, larvae, nymphs, and adults. The document also details the established permanent quarantine zone along the Rio Grande, spanning eight counties from Del Rio to Brownsville, as well as prior temporary preventive zones. This information is vital for veterinarians and livestock owners to control tick infestations effectively.

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Managing Fever Ticks: Understanding Quarantine Zones and Hosts in Texas

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  1. Fever Ticks Floron C. Faries, Jr., DVM, MS Professor and Extension Program Leader for Veterinary Medicine Texas AgriLife Extension Service Texas A&M System

  2. One Host Ticks • Cattle • Horses • White-tailed deer, elk, Nilgai, red deer • Not sheep, goats, swine, dogs

  3. Tick Stages – Eggs, Larvae, Nymphs, Adults

  4. Permanent Fever Tick Quarantine Zone • 200 yards to 6 miles wide • 500 miles along Rio Grande • Del Rio to Brownsville • 8 counties • Val Verde • Kinney • Maverick • Webb • Zapata • Starr • Hildalgo • Cameron

  5. Boophilus microplus 1986

  6. Boophilus microplus 1994

  7. Boophilus annulatus 1986

  8. Boophilus annulatus 1994

  9. Permanent Fever Tick Quarantine Zone (Red)Preventive Fever Tick Quarantine Area (Green)2007

  10. Temporary Preventive Fever Tick Quarantine Area • 2007 • Expanded portions of Starr and Zapata counties • Small area of Jim Hogg county • 2008 • Expanded portions of Starr, Zapata, Webb and Maverick counties • Small areas of Jim Hogg and Dimmit counties

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