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2011 EHV-1 Outbreak2011 EHV-1 Outbreak
Lessons LearnedLessons Learned
Jerry erinary Medicine and Biomedical
Sciences
College of Agriculture Sciences
e Sciences
EHV-1 Outbreak 2011
Lessons Learned
Jerry B. Black, DVM
Wagonhound Land and Livestock Chair
Equine Sciences
Colorado State University
NCHA Western National Championship
April 29 to May 8, 2011
Map outline from www.eflatfeerealty.com
Courtesy Dr. Paul Morley
Significant EHV-1 Outbreak Facts
• 708 entries in Western National Championships
– Significant number of ancillary horses
• Most horses left Ogden event on or before May 8,
2011
• Colorado horse that participated at Ogden event
displayed significant signs of EHM and was
euthanized on May 11, 2011
Map outline from www.eflatfeerealty.com
Courtesy Dr. Paul Morley
Map outline from www.eflatfeerealty.com
Courtesy Dr. Paul Morley
Significant EHV-1 Outbreak Facts
• Horse that had competed in Ogden was euthanized at a
cutting event in central California after showing neurological
signs EHV-1 on May 13, 2011
– Show was immediately cancelled
– Several hundred horses potentially exposed
• Pacific Coast Cutting Horse Assn. cancelled major show the
following week
– May 19-22
Significant EHV-1 Outbreak Facts
• Breeder Invitational Cutting Event cancelled May 14
– Mercuria World Series of Cutting cancelled after Open go-
around (rescheduled)
• Industry request for USDA-APHIS assistance May 16
• All NCHA approved shows cancelled May 14- June 6, 2011
– Bio-security measures strongly recommended as shows
reopened
States Where No Confirmed or Suspected EHV-1
Infections have been Reported Among Horses with
1o
, 2o
, or 3o
Exposures from the Ogden Competition
States with Confirmed or Suspected EHV-1
Infections Among Horses with 1o
, 2o
, or 3o
Exposures from the Ogden Competition
5/26/2011 - Status of Horses that
Attended the Ogden Competition
-- and in-contact horses
Map outline from www.eflatfeerealty.com
Sources: USDA/APHIS and
other official statements
Courtesy Dr. Paul Morley
EHV-1 Outbreak Lessons Learned
• Industry contact person and coordinator
– AHC/USDA (APHIS-VS) Workshop June 2010
• Communication
– CSU Team
– AHC & AAEP
– USDA/APHIS & State Veterinary Services
– Industry communication
EHV-1 Outbreak Lessons Learned
Summary
Communication! Communication! Communication
&
Team Approach
Thank You

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Dr. Jerry Black - Equine Herpes Virus Outbreak Lessons Learned

  • 1. 2011 EHV-1 Outbreak2011 EHV-1 Outbreak Lessons LearnedLessons Learned Jerry erinary Medicine and Biomedical Sciences College of Agriculture Sciences e Sciences
  • 2. EHV-1 Outbreak 2011 Lessons Learned Jerry B. Black, DVM Wagonhound Land and Livestock Chair Equine Sciences Colorado State University
  • 3. NCHA Western National Championship April 29 to May 8, 2011
  • 4. Map outline from www.eflatfeerealty.com Courtesy Dr. Paul Morley
  • 5. Significant EHV-1 Outbreak Facts • 708 entries in Western National Championships – Significant number of ancillary horses • Most horses left Ogden event on or before May 8, 2011 • Colorado horse that participated at Ogden event displayed significant signs of EHM and was euthanized on May 11, 2011
  • 6. Map outline from www.eflatfeerealty.com Courtesy Dr. Paul Morley
  • 7. Map outline from www.eflatfeerealty.com Courtesy Dr. Paul Morley
  • 8. Significant EHV-1 Outbreak Facts • Horse that had competed in Ogden was euthanized at a cutting event in central California after showing neurological signs EHV-1 on May 13, 2011 – Show was immediately cancelled – Several hundred horses potentially exposed • Pacific Coast Cutting Horse Assn. cancelled major show the following week – May 19-22
  • 9. Significant EHV-1 Outbreak Facts • Breeder Invitational Cutting Event cancelled May 14 – Mercuria World Series of Cutting cancelled after Open go- around (rescheduled) • Industry request for USDA-APHIS assistance May 16 • All NCHA approved shows cancelled May 14- June 6, 2011 – Bio-security measures strongly recommended as shows reopened
  • 10. States Where No Confirmed or Suspected EHV-1 Infections have been Reported Among Horses with 1o , 2o , or 3o Exposures from the Ogden Competition States with Confirmed or Suspected EHV-1 Infections Among Horses with 1o , 2o , or 3o Exposures from the Ogden Competition 5/26/2011 - Status of Horses that Attended the Ogden Competition -- and in-contact horses Map outline from www.eflatfeerealty.com Sources: USDA/APHIS and other official statements Courtesy Dr. Paul Morley
  • 11. EHV-1 Outbreak Lessons Learned • Industry contact person and coordinator – AHC/USDA (APHIS-VS) Workshop June 2010 • Communication – CSU Team – AHC & AAEP – USDA/APHIS & State Veterinary Services – Industry communication
  • 12. EHV-1 Outbreak Lessons Learned Summary Communication! Communication! Communication & Team Approach Thank You