Testing the disinfection of the setting eggs with ozone in poultry farming practice
2000
Ballova, S.
The disinfecting effect of oyone under farming conditions and on experimental basis was compared. The control group was sampled before the disinfection to determine the bacterial contamination of eggs. The eggs were divided to two groups, one was disinfected with ozone and the other with formalin vapours. The efficacy of disinfection was tested with microbiological swabs. Bacterial contamination of hatching eggs before the disinfection in farming practice was 45.94% and in a laboratory 41.81%. The disinfectant effect reached under practical conditions was 57.66% with ozone and 50.37% with formalin. The difference was not significant. The efficacy of disinfectants under laboratory conditions was 75.0% with ozone and 93.63% with formalin. The difference was significant. The difference between the disinfectant efficacy in laboratory and in poultry practice was significant. The efficacy was influenced by lower concentration of formalin and ozone and higher bacterial contamination of the setting eggs under practical conditions
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