ets ▁and ▁at ▁sla ugh ter ." ▁Past ▁gr ants ▁have ▁addressed ▁liv est ock ▁transport ▁vehicle ▁emer gen cies , ▁monitoring ▁atmosphere ▁st unning ▁of ▁p oul try , ▁and ▁elect rical ▁st unning ▁on ▁sea ▁bass . ▁ ▁Con ferences ▁ ▁A ▁ 2 0 0 4 ▁H SA ▁work shop ▁in ▁L och ear n head , ▁Scotland ▁demonstrated ▁an ▁electric ▁st un ner ▁for ▁far med ▁tr out . ▁Electric ▁st unning ▁of ▁far med ▁fish ▁has ▁since ▁been ▁widely ▁adopted ▁at ▁least ▁in ▁the ▁UK . ▁ ▁In ▁ 2 0 1 1 , ▁to ▁celebr ate ▁its ▁cent enn ial ▁year , ▁H SA ▁organized ▁the ▁sym pos ium ▁" Rec ent ▁Adv ances ▁in ▁the ▁W elf are ▁of ▁Liv est ock ▁at ▁S la ugh ter ", ▁which ▁was ▁attended ▁by ▁ 2 5 0 ▁people ▁from ▁around ▁the ▁world . ▁The ▁event ▁featured ▁over ▁a ▁dozen ▁present ations , ▁including ▁one ▁by ▁Temple ▁Grand in . ▁ ▁In ▁ 2 0 1 3 , ▁H SA ▁conven ed ▁a ▁work shop ▁on ▁Low ▁At mos pher ic ▁Press ure ▁St unning ▁( L AP S ), ▁a ▁proposal ▁to ▁kill ▁ch ick ens ▁by ▁withdraw ing ▁air ▁from ▁a ▁chamber ▁over ▁the ▁course ▁of ▁ 5 ▁minutes . ▁The ▁lack ▁of ▁o xygen ▁indu ces ▁un cons cious ness ▁without ▁a ▁rise ▁in ▁heart ▁rate ▁and ▁with ▁brain ▁activity ▁that ▁res emb les ▁a ▁sleep - like ▁state ▁before ▁death . ▁ ▁Training ▁and