Table 3

Composition of feed and water pipelines on the visited farms (n=52), per production category, expressed as percentage

Pipeline materialsFeedWater
SowsPigletsFattening pigsSowsPigletsFattening pigs
Iron7.44.86.67.14.87.3
Galvanised iron25.928.614.814.39.55.5
Polyvinyl chloride51.947.663.953.661.958.2
Stainless steel14.814.313.121.419.025.5
Steel with enamel coating0.04.81.50.00.00.0
Other0.00.00.03.64.83.6