The suitability of microbiological dipslides and tests of general hygiene for examining cleanability of steel structures for use in cattle barns was investigated in a laboratory study. Steel is a commonly used material in barn equipment such as milk tanks and sinks. The cleanness of the steel was examined after soiling with seven typical cattle barn soils (four feeds, litter, manure and milk) and after cleaning with different detection methods including various microbiological dipslide types, protein tests, a glucose and lactose test and an ATP (adenosine triphosphate) bioluminescence method. The results were collected in a database and ranked into cleanliness classes. On surfaces, microbes were detected in the case of all other soils than milk, whereas... |