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Systematic Review and Meta-Analysis of Thermal Stress Assessment in Poultry Using Infrared Thermography in Specific Body Areas.
Animals (Basel)
November 2024
Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Km 2.5 Carretera Cuautitlán-Teoloyuca, Cuautitlán Izcalli C.P. 54714, Mexico.
Thermal stress is a health and welfare concern in the poultry industry. Poultry have specific thermoregulation strategies for heat stress (i.e.
View Article and Find Full Text PDFFemoral Artery Infusion of αMSH Increases Muscle Thermogenesis and Promotes Glucose Uptake in Ovariectomized Ewes.
Endocrinology
November 2024
Department of Physiology, Monash University, Clayton, VIC 3800, Australia.
Article Synopsis
- The melanocortin system plays a crucial role in controlling energy balance and weight regulation, with recent findings indicating its effects on peripheral tissues like skeletal muscle, independent of the brain or SNS.
- Infusing α-melanocyte-stimulating hormone (αMSH) directly into the femoral artery significantly increased heat production in skeletal muscle, while not affecting food intake, demonstrating its local action in energy expenditure.
- The study also revealed that αMSH infusion enhanced mitochondrial function, increased glucose uptake in skeletal muscle, and showed that blocking SNS with certain drugs did not impact αMSH's effects, highlighting its unique role in energy regulation.
Automatic volumetric temperature regulation during in vivo MRI-guided laser-induced thermotherapy (MRg-LITT) with multiple laser probes.
Comput Biol Med
January 2025
University of Bordeaux, CNRS, CRMSB, UMR 5536, IHU Liryc, Bordeaux, France.
Background: Clinical Laser-Induced Thermotherapy (LITT) currently lacks precise control of tissue temperature increase during the procedure. This study presents a new method to automatically regulate the maximum temperature increase in vivo at different positions by adjusting LITT power delivered by multiple laser probes using real-time volumetric MR-thermometry.
Methods: The regulation algorithm was evaluated in vivo on a pig leg muscle.
Effect of voluntary electric fan use on autonomic and perceptual responses to lower leg passive heating in humans.
J Therm Biol
October 2023
Laboratory for Applied Human Physiology, Graduate School of Human Development and Environment, Kobe University, Kobe, Japan. Electronic address:
This study investigated the efficacy of voluntary fan utilization on autonomic thermoeffector responses and thermal perceptions during passive heating by lower leg immersion (42 °C) in a 27 °C ambient temperature, 50% relative humidity. Fourteen young healthy adults (8 females) were recruited for this study where they underwent two trials with (Fan) and without an electric fan (No fan) during 50 min of passive heat stress. The skin temperature on forearm and abdomen was lower in Fan than in No fan (all p < 0.
View Article and Find Full Text PDFSex-based differences, diurnal and seasonal trends in thermoregulatory behaviour of nesting Painted Stork (Mycteria leucocephala).
Behav Processes
November 2024
Department of Environmental Studies, University of Delhi, New Delhi 110007, India. Electronic address:
Article Synopsis
- Storks use a cooling method called urohidrosis, where they wet their legs with excrement, and also spread their wings to regulate body temperature during hot weather.
- A study was conducted on Painted Storks in Delhi to observe these behaviors using videography, revealing that temperature and humidity impact their cooling techniques.
- Male storks engaged in more urohidrosis and wing-spreading than females, with these behaviors peaking during the hottest parts of the day and early in the nesting season, tapering off as temperatures dropped later in the season.
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