Welfare Science

Farmed Insect Welfare: Black Soldier Fly Standards

Black soldier fly farming is expanding rapidly, raising important questions about welfare standards for these commercially farmed insects.

Key Facts

BSFL are farmed for protein and fat content as animal feed and pet food ingredients
Billions of BSFL are produced annually in rapidly expanding commercial facilities
Evidence for BSFL sentience and pain capacity is limited but the precautionary principle applies
Optimal BSFL welfare conditions include appropriate temperature, humidity, and substrate
Thermal processing for harvest may be more humane than some alternative killing methods

Welfare Considerations

Black soldier fly welfare represents an emerging frontier in animal welfare science. While the sentience evidence is far from definitive, the sheer scale of BSFL production - billions of individuals in conditions we know little about from a welfare perspective - justifies investment in understanding their welfare needs. Applying precautionary standards and investing in welfare research is appropriate given the uncertainty.

What You Can Do

Support research into insect sentience and welfare in commercial farming contexts
Engage with organisations developing welfare standards for farmed insects
Learn about the emerging science of invertebrate welfare and its policy implications