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Fishmeal and fish oil are considered the perfect ingredients for fish feed -- particularly for carnivorous species such as salmon and shrimp -- but with resources becoming increasingly volatile and more costly, feed producers have been working hard to develop alternatives.

But what changes in fish health, environment and nutritional value result once the industry slashes their inclusion?

The main reason marine ingredients are so perfect for feeding carnivorous fish is because of their particularly high content of quality protein: they offer excellent digestibility, numerous nutritional benefits, palatability and very high biological value.

“The