Crustacea are invertebrates, and currently, they have been put in the “too hard basket” for the purposes of animal welfare.
But there are cases where people have been prosecuted for cruelty to lobsters – https://thefishvet.com/2017/02/21/crimes-against-crustaceans-nicholas-seafood-convicted-of-cruelty-to-lobster/
The best way to despatch a live crustacean is to electrocute them. There is a recent product called Crustastun –
“NO need to boil or butcher alive; Reduces harmful bacteria; Fast, clean and efficient; NO need for prior chilling…”
See – http://crustastun.com/
But how would you do it in an ordinary domestic kitchen? One acceptable way is to cut them longitudinally to quickly destroy the major ganglia. But what if you don’t have the strength and skill to do this in one quick blow?
Here, we show you the chilling-prior-to-boiling method, which is currently acceptable practice –
https://youtu.be/Nbckf2bb610
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Yours sincerely,
Dr Richmond Loh
DipProjMgt, BSc, BVMS, MPhil (Pathology), MANZCVS (Aquatics& Pathobiology), CertAqV, NATA Signatory.
Aquatic Veterinarian & Veterinary Pathologist.
PERTH | MELBOURNE | SYDNEY | TOWNSVILLE | BRIBIE ISLAND.
THE FISH VET – AUSTRALIA.
Aquatic Veterinary Medical & Diagnostic Services.
Web: http://www.thefishvet.com.au
Ph: +61 421 822 383
Mail: PO Box 5164, East Victoria Park, WA 6981, Australia.
