Application testing of a new three-dimensional acceleration measuring system with wireless data transfer (WAS) for behavior analysis |
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Authors: | Klaus Manfred Scheibe Cora Gromann |
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Institution: | Institute for Zoo and Wildlife Research, Berlin, Germany. kscheibe@izw-berlin.de |
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Abstract: | A wireless acceleration measurement system was applied to free-moving cows and horses. Sensors were available as a collar
and a flat box for measuring leg or trunk movements. Results were transmitted simultaneously by radio or stored in an 8-MB
internal memory. As analytical procedures, frequency distributions with standard deviations, spectral analyses, and fractal
analyses were applied. By means of the collar sensor, basic behavior patterns (standing, grazing, walking, ruminating, drinking,
and hay uptake) could be identified in cows. Lameness could be detected in cows and horses by means of the leg sensor. The
portion of basic and harmonic spectral components was reduced; the fractal dimension was reduced. The system can be used for
the detection and analysis of even small movements of free-moving humans or animals over several hours. It is convenient for
the analysis of basic behaviors, emotional reactions, or events causing flight or fright or for comparing different housing
elements, such as floors or fences. |
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