Protein extraction could yield higher-quality fish meal
December 5, 2019 
Courtesy Astrakhan Aquaculture Cluster
New research suggests alternative manufacturing process could improve protein content of fish meal
By using a method called pH-shift processing, researchers at the University of Gothenburg were able to extract up to 60% of the protein contained in herring byproducts, according to the report, from the journal Animal Feed Science and Technology.