noun
pebrine; silkworm pebrine disease
A disease of silkworms caused by microsporidian parasites. Technical term used in sericulture.
微粒子病は蚕の主要な病気の一つです。
Pebrine is one of the major diseases of silkworms.
Compound of 微粒子 (fine particle) + 病 (disease), referring to the microscopic spores that characterize the infection.