Euthanasia Flashcards

1
Q

2 requirements for euthanasia

A

must relieve fear and apprehension
must induce unconsciousness as rapidly as possible, ensuring minimum of pain and suffering

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2
Q

3 modes of action

A

hypoxemia
depression of neurons vital for life
physical damage to brain tissue

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3
Q

4 reasons for euthanasia

A

food production
pain and suffering
intractable conditions (hard to deal with)
chronic incurable conditions

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4
Q

example of intractable conditions

A

large car accidents

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5
Q

4 approved methods of euthanasia

A

injectable barbiturates
captive bolt
gunshot
KCl when anesthetized

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6
Q

injectable barbiturates: mode of action/how death occurs, benefits, examples

A

CNS depression
death occurs from respiratory arrest and myocardial hypoxia
rapid onset of action, smooth induction, minimal side effects
pentobarbital, thiopental

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7
Q

captive bolt: when used (what kind of animals), mode of action, 3 types

A

food animals
produce unconsciousness
followed by exsanguination
penetrating, non penetrating, free bolt

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8
Q

penetrating captive bolt: definition, how loss of consciousness is produced, what follows

A

pointed bolt propelled by pressured air or blank cartridge
bolt damages cerebrum and part of cerebellum
causes concussion, destruction of vital centers of brain, increased intracranial pressure = loss of consciousness
need exsanguination after

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9
Q

non penetrating captive bolt: definition, how loss of consciousness is produced, what follows, benefits vs drawbacks

A

bolt blunt with mushroom shaped tip
bolt strikes forehead and retracts immediately
concussion = unconsciousness
need exsanguination after
less reliable
more popular with concerns about mad cow disease

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10
Q

free bolt: definition, when used, how it works, what follows

A

used for emergency in the field when farm animals can’t be restrained
projectile is not retractable –> similar to conventional firearm
fires small projectile through skull once pressed firmly against forehead
can leave to die or admin lethal drugs

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11
Q

gunshot: what caliber, where placed

A

32 caliber or larger
NOT between the eyes

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12
Q

potassium chloride: where injected, effects, benefit, when approved

A

IV
cardiac arrest and tissue hypoxia
economical
when unconscious/anesthetized

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13
Q

examples of unapproved methods

A

electrocution
exsanguination alone
O2
nitrogen inhalation
air embolism

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14
Q

hazards during euthanasia

A

animal falling down
uncontrolled movement
ensure death before leaving
eating carcass if barbiturates were used

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15
Q

how to ensure death before leaving

A

absence of heart beat, respirations, corneal reflex

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16
Q

disposal options (5)

A

bury on property depending on legality/equipment
land fill, rendering, simple/mass cremation, private cremation

17
Q

insured horses: restrictions and requirements

A

need to get insurance company consent before euthanizing
won’t permit for loss of use or loss of value –> requires suffering
requires opportunity for necropsy

18
Q

what is the preferred method of euthanasia

A

barbiturates