The calcs come to 1.2 kg of “trash fish” to make 1 kg of salmon.
www.bcsalmonfacts.ca/forum#!/c87f319a08
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Yours sincerely,
Dr Richmond Loh
BSc BVMS MPhil MANZCVS (Aq & Pathol)
The Fish Vet, Perth, Western Australia.
Veterinary Medicine for fish.
http://www.thefishvet.com.au
Ph: +61 (0)421 822 383