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Published on: March 3, 2023
Controlling allergens in animal rooms by using curtains
Thomas C Krohn1, Gabi Itter, Richard Fosse
1Centre for Applied Laboratory Animal Research, Department of Veterinary Pathobiology, Royal Veterinary and Agricultural University, Frederiksberg, Denmark. tkr@kvl.dk
Summary
Perforated Makrolon curtains effectively contain allergens from rodent cages. This method prevents allergen spread into animal facility rooms, improving workplace safety for staff handling laboratory animals.
Area of Science:
- Occupational Health and Safety
- Laboratory Animal Science
- Environmental Control
Background:
- Allergen control is crucial for staff health in animal facilities.
- Rodent allergens, such as Mus m1, pose significant occupational risks.
- Existing methods for allergen mitigation require evaluation for efficacy.
Purpose of the Study:
- To assess the effectiveness of perforated Makrolon curtains in reducing airborne allergens.
- To investigate allergen containment behind cage racks using curtains.
- To evaluate the impact of airflow dynamics on allergen distribution.
Main Methods:
- Installation of perforated curtains in front of laboratory animal cage racks.
- Controlled ventilation system to direct airflow from a corridor through the curtains.
- Collection and analysis of air samples from the corridor and behind curtains for Mus m1 allergen levels.
Main Results:
- Airflow was directed from the corridor through the perforated curtains and racks.
- The curtain system effectively contained allergens behind the curtains.
- Significant reduction in allergen spread from cages into the main animal room aisle was observed.
Conclusions:
- Perforated Makrolon curtains are an efficient method for preventing rodent allergen spread.
- This intervention enhances allergen control within animal facilities.
- The study provides evidence for improved occupational safety through environmental modification.

