Farmed Insect Welfare: Current Standards and Knowledge Gaps

Examining what is known and unknown about insect welfare in commercial farming operations, and how precautionary principles should guide industry standards.

Key Facts

Commercial insect farming produces millions of tonnes of protein from species including BSFL and crickets
Insects have nociceptors and show avoidance responses to noxious stimuli
Whether insects have subjective experience of pain remains scientifically uncertain
Common farming conditions include extreme densities that may or may not cause suffering
Slaughter methods including freezing, boiling, and grinding may cause prolonged distress if insects are sentient
The EU has begun considering insect welfare in its regulatory framework for novel foods

Welfare Considerations

Insect farming exists in a unique welfare uncertainty zone. The scale is enormous - billions of individuals - and the evidence for insect sentience is growing though not conclusive. Applying the precautionary principle suggests taking steps to minimize potential suffering even without certainty. This means investing in research on insect pain and stress, improving slaughter methods to minimize potential suffering duration, and avoiding clearly aversive conditions even when their welfare impact is uncertain. The welfare cost of getting this wrong at scale is potentially very large, making early attention to insect welfare standards essential.

What You Can Do

Support research institutions studying insect sentience and welfare
Advocate for inclusion of welfare considerations in insect farming regulations
Choose insect products from companies that actively address welfare in their practices
Engage with the emerging scientific and ethical debate on invertebrate welfare