Concrete and rubber floors will be characterized through gait analysis at 10 farms at 3 cleanliness levels.
In the test aisle floor cleanliness level, friction, softness and abrasiveness will be tested at 2 locations.
A digital video camera will be used for gait analysis.
The floor cleanliness will be determined by a colorimetric method and the floor physical properties by physical methods.
The statistical analysis will examine differences in how the 4 factors affect cow gait at 3 cleanliness levels
and between floor materials, resulting in thresholds for floor design and published in a scientific paper.