Trials for 'Feedkind', the alternative protein developed from natural gas by US manufacturer Calysta, have proven that it can successfully replace fishmeal in diets of Japanese yellowtail without any adverse consequences.

The yellowtail, locally known as hamachi, is one of the most popular fish in Japan, yet farmers often suffer with unpredictable feed costs. However, the trials at Japan's Kindai University show that Feedkind can replace up to 30% of fishmeal in the fish's diet without incurring any negative impact on fish growth or feed efficiency, the firm said [...]