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[Effect of steam application based on microbiological and parasitologic test procedures]
1Institut für Tierhygiene, Verhaltenskunde und Tierschutz der Ludwig-Maximilians-Universität München.
Zentralblatt Fur Hygiene Und Umweltmedizin = International Journal of Hygiene and Environmental Medicine
|January 23, 1999
Summary
Steam cleaning effectively eliminates bacteria, viruses, and parasite eggs, offering an eco-friendly disinfection alternative. Optimal results for germ reduction are achieved with specific steaming times and distances, making it suitable for pet environments.
Area of Science:
- Microbiology
- Infectious Disease Control
- Environmental Science
Background:
- Chemical disinfectants pose environmental and health risks.
- There is a need for effective, eco-friendly alternatives for microbial and parasiticidal control.
Purpose of the Study:
- To investigate the microbicidal and parasiticidal effects of steam application.
- To determine optimal conditions for steam disinfection.
- To evaluate steam as an ecologically compatible alternative to chemical disinfectants.
Main Methods:
- Germ carrier tests using tile, wood, and carpet with Staphylococcus aureus, Pseudomonas aeruginosa, and Candida albicans.
- DVG guidelines for testing chemical disinfectants were followed.
- Optimized conditions were tested with ECBO- and Reo-viruses and Ascarid worm eggs.
Main Results:
- Logarithmic reduction factors of at least 5.0 achieved for all test germs on all carriers with 5 seconds steaming at 2.5 cm distance.
- Effective viral disinfection with 2 seconds on aseptic gauze and 5 seconds on wood.
- 100% destruction of Ascarid worm eggs with 2 seconds of steam treatment.
Conclusions:
- Steam treatment is a valuable, ecologically compatible method for hygiene control.
- Potential to replace chemical disinfectants, particularly in pet environments.
- Challenges exist for large-scale farm animal stable disinfection due to surface area and cost.