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I would have been interesting to hear more about ideas for how to feed the fish. I think a lot of the fish feed today is from land based agriculture which is no

I would have been interesting to hear more about ideas for how to feed the fish. I think a lot of the fish feed today is from land based agriculture which is not very sustainable. There has been experiments with using bio reactors to grow algae based food instead.

thinkcontext 8y ago
Actually, a lot of fish feed is made from fish meal, arguably even less sustainable than ag. The best solution I've seen is raising insects like black soldier flies on waste.
Xt-6 8y ago
The use of black soldier flies larva could be a sustainable way. The larva are fed with organic waste, then use as feed https://www.youtube.com/watch?v=5M6u9ZX5ecE https://www.youtube.com/watch?v=5M6u9ZX5ecE