Insect farming is growing rapidly as a sustainable protein source. The welfare status of farmed insects is scientifically uncertain but receiving increasing research attention.
Farmed insect welfare sits at the frontier of welfare science, where the fundamental questions about whether insects are capable of conscious suffering remain unresolved. The scale of insect farming — trillions of animals — means that even a small probability of morally relevant suffering represents a significant concern in expectation. Evidence increasingly shows that insects have nociceptors, demonstrate avoidance learning, and alter behavior following tissue damage in ways consistent with pain-like experiences, though interpretation is debated. The precautionary principle supports developing and adopting welfare standards for farmed insects that minimize unnecessary stressors regardless of the sentience question being definitively resolved. This includes appropriate temperature management for stunning before slaughter, adequate food quality, and monitoring of mortality rates as a welfare indicator.