Equine Piroplasmosis Update - USAHA · EP Testing for Racing Facilities • June 2011 to December...
Transcript of Equine Piroplasmosis Update - USAHA · EP Testing for Racing Facilities • June 2011 to December...
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Equine Piroplasmosis Update
T.R. Lansford, III, D.V.M.Assistant Executive Director
Texas Animal Health Commission
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Equine PiroplasmosisTimeline of Events
• Fall 2009 – Diagnosis of index case • 2010 – Epidemiological investigation
– Population 1 – Tick Associated– Population 2 – Racing Horses– Population 3 – Imported Horses
• June 2011 – Rule requiring testing of horses entering sanctioned racing facilities for both T. equi and B. caballi
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EP Testing for Racing Facilities
• June 2011 to December 2014• 118 positive horses disclosed• All T. equi• All racing quarter horses
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Equine PiroplasmosisTimeline of Events (cont’d)
• January 2015 – Amendment of rule– Require T. equi testing only– Redefine racing facility - grounds used to conduct
live horse racing events and is not limited to facilities licensed by the Texas Racing Commission
• Thoroughbreds – rule held in abeyance at sanctioned racing facilities
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EP Testing for Racing Facilities(Unsanctioned)
• Outreach • Enforcement
– Collaborative effort with multiple LE entities
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EP Testing for Racing Facilities(Unsanctioned)
• Van Zandt County – La Estrella – 33 equine inspected– 32 had no piroplasmosis test– 31 had no EIA test– 63 complaints filed
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EP Testing for Racing Facilities(Unsanctioned)
• Rockwall County –Cinco Estrella – 34 equine inspected– 32 had no piroplasmosis
test– 31 had no EIA test– 39 complaints filed
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EP Testing for Racing Facilities(Sanctioned)
• Cluster 1 – 3 positive horses– Illegal entry from Indiana– Horses tested for entry into sanctioned track– 2 horses had no ties to TX – reportedly originated in
IL and MD– Positive horses have common trainer– Led to discovery of large stable with racing facility– Tested total of 66 horses; multiple owners, multiple
trainers
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EP Testing for Racing Facilities(Sanctioned)
• Cluster 2 – 11 positive horses– Horses tested for entry into sanctioned tracks in
Texas and New Mexico– 9 positive horses in south Texas training facility
• 6 of the 9 have ties to racing in LA• Common trainer that admits re-use of IV equipment
– 2 positive horses in two west Texas locations tied to common LA trainer; both raced in LA
– 1 additional trace-out horse – status unknown
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South Texas Tick Related EP Update
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Kleberg Co: Feb-June 2013358 premises1239 total equine tested1220 negative19 positive 6 positive premisesPrevalence 1.93%
Kenedy: Mar-June 201215 premises182 equine tested165 negative17 positive3 positive premisesPrevalence 9.34%
Brooks: Oct. 2014-March 2015218 premises689 total equine tested689 negativePrevalence 0.00%
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