![]() Reference temperatures, measured with a calibrated thermometer in the rectum, were compared to the measurements of two calibrated thermal imaging cameras (a low resolution camera and a high resolution camera) on four anatomical sites of pigs (ear canal, eye canthus, outer ear and perianal area). The second objective was the assessment of the possibility to accurately and reliably measure or predict the pigs’ temperature with a low spatial resolution thermal imaging camera. The first objective of this study was to determine the best anatomical site in healthy pigs for measuring the temperature with a high spatial resolution thermal imaging camera that gives results equivalent or related to the temperatures measured in the rectum. Measuring the body temperature with a thermal imaging camera is one possible stress-free technique since it is non-contact and non-invasive. Growing concern regarding animal welfare has increased the need for reliable methods of assessing the animal health status without stress during commercial farm practice.
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