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Using infrared radiation to detect local inflammation in cattle
  1. Y. R. Montanholi, DVM, PhD
  1. Ruminant Husbandry, Faculty of Agriculture, Dalhousie University, 58 River Road, Truro, NS, B2N 5E3, Canada
  1. e-mail: yuri.montanholi{at}

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RADIANT heat loss accounts for most of the heat lost from the bodies of healthy animals, and varies according to metabolic rate and environmental temperature and humidity in cattle (Blaxter 1962). The hide of cattle can act in a similar way to a black-body, emitting the vast majority of body surface radiation (Ring 2004). This infrared radiation emitted by the body surface can be captured using infrared thermography and thermometry and, for both technologies, it is possible to make inferences about body surface temperature based on the assessment of the emitted radiation. Infrared sensing is a non-contact assessment and is therefore more reliable for body surface temperature assessments than contact methods. In the past decade, the application of infrared sensing technology in scientific, clinical and on-farm settings has expanded considerably, mainly due to technical advances associated with the …

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