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United States – Mexico Bi-National Tick Committee Meeting

United States – Mexico Bi-National Tick Committee Meeting. Texas State Report Dee Ellis , DVM, MPA Texas State Veterinarian. Current Fever Tick Information. As of December 31, 2009. As of December 31, 2010. 111 premises Quarantine : 56 in the Free Area

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United States – Mexico Bi-National Tick Committee Meeting

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  1. United States – Mexico Bi-NationalTick Committee Meeting Texas State Report Dee Ellis, DVM, MPA Texas State Veterinarian www.tahc.state.tx.us

  2. Current Fever Tick Information As of December 31, 2009 As of December 31, 2010 111 premises Quarantine: 56 in the Free Area 55 in the Tick Eradication Quarantine Area 439 adjacent or check premises: 137 in the Quarantined Area 302 in the Free Area • 90 premises Quarantine: • 25 in the Free Area • 65 in the Tick Eradication Quarantine Area • 496 adjacent or check premises: • 165 in the Quarantined Area • 331 in the Free Area www.tahc.state.tx.us

  3. Blanket Areas under Temporary Quarantine

  4. Blanket Areas under Temporary Quarantine Carrizo Springs 179,600 acres

  5. Texas State ReportCattle Fever Tick Eradication Program (CFTEP) • Carrizo Springs Blanket Quarantine Area (BQA) • Established 8/07 on approx. 622,000 acres • No new or recurrent infestations since 5/09 • Approx. 179,000 acres remain • Final release expected in Spring of 2011 www.tahc.state.tx.us

  6. Blanket Areas under Temporary Quarantine Zapata & Jim Hogg 423,000 acres

  7. Texas State ReportCattle Fever Tick Eradication Program (CFTEP) • Zapata & Jim Hogg Portion – Southern Blanket Quarantine Area (BQA) • Intensive cattle/wildlife treatment program continues through 2011 • 2010 Free Area infestations found only on premises adjacent to Tick Eradication Quarantine Area (TEQA) • Infestation due to displaced white-tail deer from the TEQA flooding • Re-inspection of herds underway, surveillance completed by 6/11 • Partial release in summer of 2011 www.tahc.state.tx.us

  8. San Ygnacio Mexico Zapata Townsite Wildlife Treatment Sites 2010 Zapata County TEQA Northern Sector

  9. Blanket Areas under Temporary Quarantine Starr Co. 152,700 acres

  10. Texas State ReportCattle Fever Tick Eradication Program (CFTEP) • Starr County Portion – Southern Blanket Quarantine Area (BQA), approx. 160,000 acres • Continued problems with infestation of white-tail deer on vacant premises • Responding to systematic treatment in cattle & horses • Expected to downsize by end of 2011 • Intensified wildlife treatment program underway www.tahc.state.tx.us

  11. Blanket Areas under Temporary Quarantine Olmal 152,700 acres

  12. Texas State ReportCattle Fever Tick Eradication Program (CFTEP) • Third BQA, Olmal, approx. 152,700 acres – no documented cases in wildlife. • Responding to systematic treatment in cattle & horses • Possible downsizing by end of 2011 • Re-evaluation of wildlife involvement underway • No documented cases of fever ticks in wildlife www.tahc.state.tx.us

  13. Texas State ReportCattle Fever Tick Eradication Program (CFTEP) • Deer Treatment Program • Distribution of Ivomec corn Feb-July (must stop 60 days prior to hunting season) • Distribution of Permethrin product during hunting season (4 poster) www.tahc.state.tx.us

  14. Wildlife Treatment • Products limited… • Ivomec-corn used in feeders • 4-poster (below left) • Closed Gravity Flow • Feeder (below right) Withdraw prior to hunting season!

  15. CFTEP Activities in FY 2010 • New equipment--- deer feeding, vehicles, computers, tractors, portable dip vats, spray boxes, etc. • New staff--- targeted to areas of need– deer feeding, epidemiologists, MPI’s in Starr County, IT support • New management --- borrowed from other successful programs--- written Herd plans, emphasis on epidemiology, mapping, RFID / MIMS in each quarantined herd • More interaction/consultation with wildlife biologists

  16. Treated Corn Delivery to Deer • USDA begins bulk feeding • of Ivomec-treated corn • Bulk mixing equipment • purchased • Large trucks to deliver • More personnel assigned • to affected counties

  17. CFTEP Activities (continued) • Database development • custom software or utilize TAHC mgt. software • deer feeding program 1st • Infested pasture management 2nd (CFTEP info management is identical to 1943) • Increased accountability program results • Increased ability for public to analyze success • Quarterly management reviews • Monthly Information dissemination

  18. Future Tools • Vaccines? • Gavac under ARS evaluation in Texas – field trial in 2011 • Australian • Autogenous? • Ivermectin Treated Molasses Tubs • MUMS approval process by FDA underway by Postive Feed -TX • Advantage • self-treat cattle on infested or adjacent pastures • minimize the expense of gathering the cattle • Field trial in 2011 – final approval time uncertain

  19. Texas Bovine Tuberculosis Report www.tahc.state.tx.us

  20. Texas State ReportTuberculosis • Currently no known infected cattle herds in Texas • Last infected herd West Texas dairy depopulated April 2010 • 7 possible source herds – 3 states - all tested negative • No source ultimately found www.tahc.state.tx.us

  21. Texas State ReportTuberculosis • From infected herd - Texas Animal Health Commission (TAHC) traced 5,500 dairy cattle sold as trace outs • TAHC tested 65 herds/65,000 cattle as result • No infection found • Texas’ mandatory ID program key to finding trace animals www.tahc.state.tx.us

  22. Texas State ReportTuberculosis 2010 Activities: • 4 fed cattle TB cases detected at slaughter • All 4 traced to Mexico • 2 had ID and 2 were in lots of Mexican cattle • Close oversight of veterinarian caudal fold response rate Success - .95% for 2010 vs. .398% in 2006 www.tahc.state.tx.us

  23. Brucellosis Report www.tahc.state.tx.us

  24. Texas State ReportBrucellosis • 1 newly infected cattle herd detected in South Texas 1/11 • Market testing found 3 positives, 3 more found on herd test • culture + - b. abortus biotype 1 www.tahc.state.tx.us

  25. Texas State ReportBrucellosis • Infected herd epidemiological investigation underway • 1 possible source herd • Test 1 mile circle of surrounding herds to start • Trace as far back as market records allow • Owner never sold adult cattle • 1st infected herd found after over 6,000,000 cattle tested www.tahc.state.tx.us

  26. Texas State ReportBrucellosis • Texas has more than 100 livestock markets • Texas surveillance includes 1st point testing at markets – adult cattle • 1,000,000 adult tested per yr. • Budget cuts may threaten future testing www.tahc.state.tx.us

  27. Texas State ReportBrucellosis • Swine brucellosis infection cattle continues to complicate diagnosis • 8 cattle confirmed infected with b. suis in 2010 in Tx. • Cattle vaccine needed for future protection against feral swine www.tahc.state.tx.us

  28. www.tahc.state.tx.us

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