Provided is a method of treating animals, such as livestock, by exposing theanimals toan airborne suspension of finely divided mineral salts. Treatment is effecteduponinspiration of the mineral salts or skin contact with the mineral salts. Theanimals areaccommodated in a treatment chamber with a substantially sealed limitedconfinedvolume and a pressure difference airflow means, a dispensing means for themineralsalts and dessicant(s) in the walls and on the floor of the treatment chamber.Thetreatment chamber is a stationary installation or adapted as a trailer totreat animalsduring a journey or to transport the treatment chamber to the animals'location, forexample, a zoo or to apiaries.
