tằm gai

tằm gai

Con tằm gai đang ăn lá dâu trên một cành cây.

Definition
  1. Noun:
    • Pébrine: A highly contagious and fatal disease of silkworms, caused by a microsporidian parasite (Nosema bombycis). It is characterized by the appearance of small, pepper-like black spots on the silkworm larvae.
Usage Examples
  • Noun:
    • Bệnh tằm gai đã tàn phá nhiều trại nuôi tằm. (Pébrine disease has devastated many silkworm farms.)
    • Người nuôi tằm rất sợ tằm gai lây lan rất nhanh. (Silkworm farmers greatly fear pébrine because it spreads very quickly.)
Advanced Usage
  • The term is primarily used in historical and agricultural contexts related to sericulture (silkworm cultivation). Its control was a major breakthrough in the 19th century, notably through the work of Louis Pasteur.
Variants and Related Words
  • Bệnh tằm gai: The full term for the disease, meaning "pepper-like silkworm disease."
  • Pébrine: The direct English/French equivalent term.
Synonyms
  • Pébrine: The specific scientific and common name for the disease.
  • Silkworm disease: A general term, though less precise.
Notes on Meaning
  • The term "tằm gai" is a compound noun where means "silkworm" and means "thorn" or "spine," but in this context, it metaphorically refers to the pepper-like spots. It refers specifically to the disease, not to a type of silkworm.
  • It does not refer to a silkworm that eats thorny plants or to a type of nettle (which is "cây gai").