Invertebrates

Silkworm Welfare: The Hidden Cost of Silk Production

Silk production kills approximately 3,000 silkworms per pound of silk; their capacity for suffering deserves consideration.

Key Facts

Silkworms are boiled or gassed alive to preserve the silk thread
Approximately 6,600 silkworms are killed to produce one kilogram of silk
India alone kills an estimated 77 billion silkworms annually
Silkworms are larvae of the Bombyx mori moth, which has been domesticated for 5,000 years
Ahimsa silk (peace silk) allows moths to emerge before cocoon processing

Welfare Considerations

Silkworms have simple nervous systems, but the sheer scale of killing and the certainty of heat-based killing methods are worth considering. If silkworms experience any form of nociception, the boiling or steaming process could cause suffering. Ahimsa (peace) silk avoids live killing. Plant-based silk alternatives have improved significantly in quality.

What You Can Do

Choose Ahimsa or peace silk, which allows moths to emerge before harvesting
Consider plant-based silk alternatives made from lotus, banana, or soy fibers
Research brands committed to ethical silk sourcing
Support silkworm sentience research funding
Reduce overall silk consumption by extending garment lifespans