fish welfare at slaughter
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13 Terms
humane slaughter association focuses on livestock welfare at what times
markets, transport, up to+ including slaughter
PATOK stands for what
protection of animals at the time of killing
requirements for killing
spared avoidable pain, distress, suffering
potential stressors during killing
inc stocking density
food withdrawal
ineffective stunning
removal from water
humans
inc light
abrasions
dec oxygen
humane def
inflict minimum pain
methods of stunning
mechanical/ percussive
electrical
exposure to gas
methods of stunning in fish
in water electrical
dry electrical
indicators of effective electrical stun
rigid
loss of balance
no breathing
abscence of eye roll reflex (eyes stay in fixed orientation)
small involuntary muscle twitches
no reaction to tail pinch
purpose of percussive stunning
transfer sufficient energy to brain to immediately interrupt normal function+ induce unconsciousness
how is animal killed
bleeding/ exsanguination
max time between stunning + killing
10-15s
where to cut fish to kill
sever gill arches
what to do with hypoxia resistent species after cutting
immersed in cold deoxygenated water
