Precision fermentation — using microorganisms to produce animal proteins without animals — offers another pathway to dramatically reduce animal use in food production.
Precision fermentation represents a potentially transformative pathway for animal welfare that differs from both plant-based alternatives and cultivated meat in its production approach. While plant-based alternatives require consumers to accept taste and texture differences, and cultivated meat requires cell culture at scale, precision fermentation can produce proteins that are molecularly identical to conventional animal proteins — enabling animal-free versions of products including dairy cheese that have historically resisted plant-based substitution. The welfare implications are profound: if precision fermentation dairy proteins achieve cost parity with conventional dairy, consumer transition can happen without sacrifice of familiar product characteristics. Supporting precision fermentation research, regulatory approval processes, and market development contributes to a welfare-positive food system transformation.