General Producer Guide - National Avian On-Farm Biosecurity Standard
Annex D - Barn Cleaning and Disinfection in Inclement Weather
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- Place additional emphasis on dry cleaning to reduce the time required for wet cleaning.
- Provide supplementary heat to raise barn temperatures to allow wet cleaning and disinfection to occur.
- Focus on critical areas where birds are housed to reduce the volume of water applied: bird contact areas (floors, nest boxes, cages, walls to a height of three feet, feeders, and waterers). Dry clean the ventilation system.
- Add propylene glycol, and use machines capable of heating water, to increase the effectiveness of detergents and disinfectants and to prevent wash and disinfectant solutions from freezing.
- Increase the surface contact time for disinfectants.
- If wet cleaning cannot be performed, thoroughly dry clean the barn, and raise and maintain barn temperatures; this can be effective at inactivating pathogens. The temperature and time required for pathogen inactivation vary for different organisms and should be discussed with your veterinarian.
- Thoroughly drying the barn after any cleaning stage is important for pathogen inactivation.
Cold and wet weather
- Raise barn temperatures.
- Use warm to hot water when using detergents and disinfectants.
- Increase the concentration and surface contact time of the disinfectant. Rain and wet surfaces can significantly reduce the concentration of cleaning and disinfectant solutions.
- Disinfectant fogging, disinfectant foam, fumigation, and steam cleaning are measures that may be employed in adverse weather conditions.
- Steam cleaning can reduce the amount of water required and increases temperature to reduce pathogen load.
- Consult with commercial cleaning companies, disinfectant manufacturers, industry experts, and veterinary professionals on sanitation measures when environmental conditions impair routine cleaning and disinfection.
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