In light of the research and facts being surfaced around the issue of fish feed, it is no surprise that there has been a rush to bring forward proposed alternatives, including high protein plants, such as soybean meal or fermented corn, processed animal proteins (agricultural by-products), microalgae, and oils from plants, yeast, or insects such as Black Soldier Flies.
While some research indicates that plant proteins are technically-viable options for aquaculture feed production, there remain challenges that must be overcome to bring them to scale. Research is needed to determine which ingredients fish will eat, how they will metabolize feed (including at varying developmental stages), and how improvements can be implemented to maximize nutrient utilization and feed use efficiency while minimizing waste and agricultural-based emissions.
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