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Transcript
Fever Tick Response in Texas T.R. Lansford, III, D.V.M. Assistant Executive Director Texas Animal Health Commission What is the Cattle Fever Tick? Rhipicephalus (Boophilus) microplus, and R. annulatus, *introduced by Spanish colonists *One host tick Vectors for bovine babesiosis,-”Cattle Fever” Bovine Babesiosis • Caused by rapidly multiplying tick-borne protozoa – Babesia bovis and bigemina • Red blood cell destruction • Fatal to 90% of naïve cattle • Fever tick is an integral part of disease spread Bovine Babesiosis Hosts Targeted by Fever Ticks Cattle are the most efficient host, but horses, deer, and exotics also sustain tick populations. TAHC’s Role • Maintain tick regulations • Trace-out work in livestock markets & additional inspections • Complement USDA control efforts on Rio Grande USDA Cattle Fever Tick Eradication Program • • River, range inspection Livestock movement control • Scratch, dip livestock • Apprehend stray animals • Systematic treatment of animals on infested premises Cattle Fever Tick Eradication Permanent Quarantine Area Del Rio to Brownsville Spans 8 counties Approx. 600 miles long 5 yards to 5 miles wide Fever Tick Issues • Wildlife – White-tail Deer • Population density – Nilgai Antelope • • • • Host size Population density Large range No current treatments • Climate Disease Response Goals 1) Detect, control, and contain disease as quickly as possible 2) Eradicate disease using strategies that seek to stabilize animal agriculture, the food supply, the economy, and to protect public health and the environment 3) Provide science- and risk-based approaches and systems to facilitate continuity of business for non-infected animals and non-contaminated animal products. Typical Viral Disease Response Timeline • Most foreign animal diseases • Viral diseases • Highly infectious • Short incubation • Greater impact • Fast moving response Fever Tick Response • Quarantines – Premises • • • • Infested Exposed Adjacent Check – Livestock • Inspection/Treatment • Movement management Cameron County Fever Tick Outbreak • Incident Slow To Develop • Extensive Pre-Planning • 5 Day IAP Developed Prior To Operational Start • Incident Command System Initially Developed to Expand For More Areas/Counties • Full IAP o 202 – 214 o 204s Developed For Each Operational Component o Maps o Special Directions Initial Planning the ICS Structure for the Response Critical Components • Communication – Scheduled and strictly adhered to • Technology – Mapping – Data management • Training • Logistics • Liaison Long-term Operability When Do You Say “When” In Using An Incident Command System? Long-term Operability • Considerations • Management • Management • Management • Management • Management Texas Animal Health Commission “Because Livestock and Poultry Health Matters” 1-800-550-8242 Website: www.tahc.texas.gov