Mass Depopulation & Euthanasia Sheep & Goat Euthanasia Adapted from the FAD PReP/NAHEMS Guidelines:...
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Transcript of Mass Depopulation & Euthanasia Sheep & Goat Euthanasia Adapted from the FAD PReP/NAHEMS Guidelines:...
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Mass Depopulation & Euthanasia
Sheep & Goat Euthanasia
Adapted from the FAD PReP/NAHEMS Guidelines: Mass Depopulation and Euthanasia (2015)
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• Euthanasia– Transitioning painlessly and stress-free
as possible
• Mass Depopulation– Large numbers, quickly and efficiently
– Consideration to welfare as practicable
• Terms used interchangeably here
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Euthanasia and Depopulation
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• May be practiced during an animal health emergency
• Goals of Euthanasia – Provide humane treatment
– Select acceptable method
–Minimize negative emotional impact
– Safeguard food chain
– Prevent or mitigate disease spread
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Euthanasia and Depopulation
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• Goal: Humane Treatment– Decrease animal stress, excitement– Conveyors, tunnel electrocution system– Do not force animals to travel quickly– Avoid electric prods • Human body position• Flight zones• Flags, plastic paddles
– Handle animals quietly
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Handling
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• Acceptable (noninhalant injectable)• Barbiturates
• Barbiturate derivatives
• Conditionally Acceptable (physical)– Penetrating captive bolt
– Gunshot
• Electrocution• Carbon dioxide (sheep only)
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Euthanasia Methods
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• Usually impractical– Slow process
– Expensive
– Carcass disposal
– Record keeping
• Consider if animal is a companion/hand raised
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Noninhalant Injectable
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• Use appropriate restraint to ensure personnel safety
• Bolt positioning– Polled animal
– Horned animal
• Adjunct methodavailable
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Physical- Captive Bolt
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• Conditionally acceptable– Species-appropriate ammunition,
appropriate caliber weapon
– Proper training, skills, experience
• Close range, same point of entry as captive bolt–Muzzle 2-10 inches from entry point
–Mature goat brain is located much farther back than might be expected
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Physical- Gunshot
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• If used:– Electric current through brain to stun• Ear to ear, poll to muzzle
– Electric current through heart• Sides of animal over heart
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Electrocution
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• Acceptable, but impractical euthanasia method– Extensive infrastructure needed
• Truck or tight room could be used as chamber, with careful planning
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Carbon Dioxide
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• Second shot• IV potassium chloride or magnesium
sulfate• Pithing • Exsanguination
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Adjunct Methods
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• Confirmation of death can be difficult– Sustained lack of heartbeat and
respiration
– Rigor mortis
– Evaluate by competent, experienced personnel
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Confirmation of Death
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• FAD PReP/NAHEMS Guidelines: Mass Depopulation and Euthanasia (MDE) (2015)– http://www.aphis.usda.gov/fadprep
• MDE web-based training module– http://naherc.sws.iastate.edu/
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
For More Information
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Authors (CFSPH):• Reneé Dewell DVM,MS• Nichollette Rider, Veterinary Student
Significant contributions to the content were provided by USDA APHIS VS:• Lori P. Miller, PE• Darrel K. Styles, DVM, PhD
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: MDE-Sheep & Goat
Guidelines Content
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Acknowledgments
Development of this presentation was
by the Center for Food Security and
Public Health at Iowa State University
through funding from the USDA APHIS
Veterinary Services
PPT Authors: Dawn Bailey, BS; Kerry Leedom Larson, DVM, MPH, PhD, DACVPM
Reviewers: Glenda Dvorak, DVM, MPH, DACVPM: Cheryl L. Eia, JD, DVM, MPH, Patricia Futoma, BS, Veterinary Student, Reneé
Dewell DVM,MS