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Infrared Thermography of Cattle Hooves: Temperature Differences According to Lameness Score
Tina Bobić1, Mihaela Oroz1, Marko Oroz1
1Faculty of Agrobiotechnical Sciences Osijek, University of Josip Juraj Strossmayer of Osijek, 31000 Osijek, Croatia.
None:
The aim of this study was to determine the distribution of and differences in the temperature values for the cows' hooves depending on the lameness score and health status. The research was conducted on a free-stall housing dairy farm with Holstein cows (n = 180). The maximum (IR MAX), average (IR MEAN) and minimum (IR MIN) infrared temperature values were recorded at the coronary band (CB). The four-point manual locomotion scoring system was used to assess four levels of lameness score (LS0-LS3). The average values of IR MEAN, IR MIN and IR MIN of unhealthy hooves were significantly higher than the mean values of healthy hooves. Under lower ambient recording conditions, significant differences in CB temperature were observed between cows with different lameness scores, while under higher ambient conditions these differences were not statistically significant. The IR MEAN values for cows with LS0 (16.28 °C) were significantly (p < 0.05) lower than those for cows with LS1 (17.59 °C), LS2 (17.71 °C) and high significantly (p < 0.01) lower compared to cows with LS3 (18.04 °C). The distribution of the coronary band temperatures indicates that hoof temperature is associated with the health status of the cow, ambient recording conditions, and the level of the lameness score.
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