Table 5

Frequency and products used for cleaning and disinfection, in case no medication is added to feed/drinking water, expressed as percentage

FrequencySiloFeeding pipelinesFeeding troughsWater tankWater pipelinesDrinking troughs
Never65.4100.026.966.744.242.3
At end of production cycle0.00.053.80.017.346.2
After weaning0.00.00.00.00.00.0
Once every two years or once per year19.20.03.80.05.83.8
Twice a year13.50.00.016.73.85.8
3–6 times a year1.90.01.90.00.00.0
6–12 times a year0.00.00.00.03.81.9
Permanently0.00.00.08.323.10.0
Only when problems occur0.00.00.08.31.90.0
Frequency unknown0.00.03.80.00.00.0
Products usedFeedDrinking water
Unknown62.725.0
Antifungal17.60.0
Quaternary ammonium derivatives9.80.0
Organic acids5.90.0
Hydrogen peroxide3.944.4
Sodium chloride and sodium bisulphate0.016.7
Chlorine dioxide0.011.1
Glutaraldehyde0.02.8