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Alternative feeds

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. In a series of articles, AquaFeed explores a number of alternatives and how they can support the current context. An article published by the data intelligence company Manolin discusses increasing costs of fish feed brought about by global events such as the Peruvian anchovy crisis and looks at companies and start-ups developing new ingredient alternatives.  

While some research indicates that plant proteins are plausible, technically-viable options for aquaculture feed production, there remain unfavorable characteristics that must still be overcome to make them viable for bringing to scale. In addition to identifying potential alternatives, therefore, 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.