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Grazing Cow Behavior’s Association with Mild and Moderate Lameness
O’Leary, Niall W. Byrne, Daire. T. Garcia, Pauline Werner, Jessica Cabedoche, Morgan Shalloo, Laurence
O’Leary, Niall W.
Byrne, Daire. T.
Garcia, Pauline
Werner, Jessica
Cabedoche, Morgan
Shalloo, Laurence
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2020-04-11
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O’Leary, N.W.; Byrne, D.T.; Garcia, P.; Werner, J.; Cabedoche, M.; Shalloo, L. Grazing Cow Behavior’s Association with Mild and Moderate Lameness. Animals 2020, 10, 661. https://doi.org/10.3390/ani10040661
Abstract
Accelerometer-based mobility scoring has focused on cow behaviors such as lying and walking. Accuracy levels as high as 91% have been previously reported. However, there has been limited replication of results. Here, measures previously identified as indicative of mobility, such as lying bouts and walking time, were examined. On a research farm and a commercial farm, 63 grazing cows’ behavior was monitored in four trials (16, 16, 16, and 15 cows) using leg-worn accelerometers. Seventeen good mobility (score 0), 23 imperfect mobility (score 1), and 22 mildly impaired mobility (score 2) cows were monitored. Only modest associations with activity, standing, and lying events were found. Thus, behavior monitoring appears to be insufficient to discern mildly and moderately impaired mobility of grazing cows.