Silk production involves boiling cocoons with silkworm pupae inside, raising welfare questions given growing evidence of insect pain responses.
Silk production involves the deliberate killing of billions of insects at the pupal stage. The welfare implications depend on whether silkworm pupae at this developmental stage have any capacity for pain experience - a scientifically contested question. Conventional silk production kills pupae inside cocoons using heat, which may cause suffering if pupae are sentient. Peace silk allows moths to emerge naturally before fiber harvesting, though it produces less uniform thread. From a precautionary welfare perspective, peace silk alternatives are preferable.