How to: Turn a fish vegetarian
...and save it from a life of cannibalism.
This is potentially a big deal. According to a an acquaintance, a well respected fisheries biologist - one major problem with fish farming is that many farmed fish require animal protein to live, and are often fed on herring fisheries etc. (Apparently cats as well, require animal protein to live, to the chagrin of many vegetarian cat lovers).
Just to be clear, ALL farmed fish DO NOT use fishmeal for feed, only predator fish like trout and salmon. Fish like tilapia, catfish and carp already eat vegetable based feed.
Now do it the other way round.
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