Ducking Is a process of inactivation of Anthrax spores in animal products such as wool, hairs or bristles. It was introduced by Elmhirst Duckering, an enginer at wool factory. This is a live-step process. each lasting for 10 minutes and carried out at 40.5°c.

☛ immersion in 0.25-0.3% alkali

☛ immersion in soapy water

☛ immersion in 2% formaldehyde

☛ secondimmersion in 2% formaldehyde

☛ rinsinq in water