Another startup is jumping into the alternative feed ingredients arena, this time using technology critical to Pfizer's and Moderna's COVID-19 vaccines.

US-based BioFeyn is developing technology aimed at improving feed efficiency through the use of nanocapsules: microscopic pills that can deliver targeted nutrients and pigments into feed pellets.

The tech is potentially a significant cost saver for the aquaculture industry, where feed makes up an overwhelming portion of the sector's production costs.