Nosema bombycis

Species of microsporidian

Nosema bombycis is a species of Microsporidia of the genus Nosema infecting silkworms, responsible for pébrine. This species was the first microsporidium described, when pebrine decimated silkworms in farms in the mid-19th century. This description was made by Carl Nägeli. Louis Pasteur, taking up an idea of Osimo which had not been successful, showed breeders a practical way to select uninfected individuals to recreate new healthy farms.

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