Utilization of Infrared Thermography in Assessing Thermal Responses of Farm Animals under Heat Stress

Heat stress is a condition that can affect the health, performance, and welfare of farm animals. The perception of thermal stress leads to the activation of the autonomic nervous system to start a series of physiological and behavioral mechanisms to restore thermostability. One of these mechanisms i...

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Bibliographic Details
Published in:Animals (Basel) 2024-02, Vol.14 (4), p.616
Main Authors: Ghezzi, Marcelo Daniel, Napolitano, Fabio, Casas-Alvarado, Alejandro, Hernández-Ávalos, Ismael, Domínguez-Oliva, Adriana, Olmos-Hernández, Adriana, Pereira, Alfredo M F
Format: Article
Language:English
Subjects:
Animals
Blood vessels
Body temperature
Cattle
farm animals
Follicles
Hair
Heat detection
heat stress
Hypothalamus
Livestock
Neurobiology
Physiological aspects
Physiology
Skin
Spinal cord
thermal imaging
Thermoelectricity
thermoregulations
Windows
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Summary:Heat stress is a condition that can affect the health, performance, and welfare of farm animals. The perception of thermal stress leads to the activation of the autonomic nervous system to start a series of physiological and behavioral mechanisms to restore thermostability. One of these mechanisms is vasodilation of peripheral blood vessels to increase heat loss through the skin. Due to this aspect, infrared thermography has been suggested as a method to assess the thermal state of animals and predict rectal temperature values noninvasively. However, it is important to consider that predicting rectal temperature is challenging, and its association with IRT is not always a direct linear relationship. The present review aims to analyze the neurobiological response associated with heat stress and how thermal imaging in different thermal windows can be used to recognize heat stress in farmed ungulates.
ISSN:2076-2615
2076-2615
DOI:10.3390/ani14040616