Evaluation of common cleaning and disinfection programmes in battery cage and on-floor layer houses in France
1. The aim in this study was to evaluate cleaning and disinfection programmes in battery cage and on-floor layer houses in France.
2. Cleaning and disinfection efficiency was assessed by a visual evaluation of cleaning and a bacteriological monitoring of surface contamination from counts of thermotolerant streptococci on contact agar plates.
3. In battery cage houses, dropping belts, manure conveyors, and house floors remained highly contaminated due to poor cleaning in half of the buildings examined.
4. In on-floor houses, a high standard of cleaning was achieved but errors in the planning of cleaning and disinfection operations sometimes led to a high residual contamination of nest boxes and egg sorting tables.
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27 October 2010
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