United States – Mexico Bi-National Tick Committee Meeting Texas State Report Dee Ellis, DVM, MPA...
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![Page 1: United States – Mexico Bi-National Tick Committee Meeting Texas State Report Dee Ellis, DVM, MPA Texas State Veterinarian .](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649ce45503460f949b14db/html5/thumbnails/1.jpg)
United States – Mexico Bi-National
Tick Committee Meeting
Texas State ReportDee Ellis, DVM, MPA
Texas State Veterinarian
www.tahc.state.tx.us
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Current Fever Tick Information
As of December 31, 2009
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
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
www.tahc.state.tx.us
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Blanket Areas under Temporary Quarantine
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179,600 acres
Blanket Areas under Temporary Quarantine
Carrizo Springs
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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
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Zapata & Jim Hogg423,000 acres
Blanket Areas under Temporary Quarantine
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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
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Wildlife Treatment Sites 2010 Zapata County TEQA
Northern Sector
Zapata Townsite
San Ygnacio
Mexico
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Blanket Areas under Temporary Quarantine
Starr Co.152,700 acres
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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
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Blanket Areas under Temporary Quarantine
Olmal152,700 acres
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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
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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
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Wildlife Treatment Products limited…
•Ivomec-corn used in feeders •4-poster (below left)•Closed Gravity Flow
Feeder (below right)
Withdraw prior
to hunting season!
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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
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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
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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
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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
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Texas Bovine Tuberculosis Report
www.tahc.state.tx.us
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Texas State ReportTuberculosis
www.tahc.state.tx.us
• 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
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Texas State ReportTuberculosis
www.tahc.state.tx.us
• 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
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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
Texas State ReportTuberculosis
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Brucellosis Report
www.tahc.state.tx.us
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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
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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
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Texas State ReportBrucellosis
www.tahc.state.tx.us
• 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
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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
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“Because Livestock and
Poultry Health Matters”
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www.tahc.state.tx.us