Relationships of body surface thermography with core temperature, birth weight and climatic variables in neonatal lambs born during early spring in an arid region

Vicente-Pérez, Ricardo; Avendaño‐Reyes, Leonel; Correa‐Calderón, Abelardo; Mellado, Miguel; Meza-Herrera, C. A.; Montañez‐Valdez, Oziel Dante; Macías‐Cruz, Ulises

doi:10.1016/j.jtherbio.2019.04.001

Cited by 14 publications

(7 citation statements)

References 23 publications

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“…The relationship between thermoregulatory capacity and birth weight has been confirmed by Vicente-Pérez et al [ 68 ], using infrared thermography (IRT). They observed a positive correlation between the surface temperature and the weight of the calf at birth (r = 0.25–0.27).…”

Section: Intrinsic Factors Affecting the Temperature In The Newborn B...mentioning

confidence: 83%

Strategies and Mechanisms of Thermal Compensation in Newborn Water Buffaloes

Mota-Rojas

Braghieri

Ghezzi

et al. 2023

Animals

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Hypothermia is one of the principal causes of perinatal mortality in water buffaloes and can range from 3% to 17.9%. In ruminants, factors affecting hypothermia in newborns may be of intrinsic (e.g., level of neurodevelopment, birth weight, vitality score, amount of brown fat, skin features) or extrinsic origin (e.g., maternal care, environmental conditions, colostrum consumption). When newborn buffaloes are exposed to cold stress, thermoregulatory mechanisms such as peripheral vasoconstriction and shivering and non-shivering thermogenesis are activated to prevent hypothermia. Due to the properties of infrared thermography (IRT), as a technique that detects vasomotor changes triggered by a reduction in body temperature, evaluating the central and peripheral regions in newborn buffaloes is possible. This review aims to analyze behavioral, physiological, and morphological strategies and colostrum consumption as thermal compensation mechanisms in newborn water buffalo to cope with environmental changes affecting thermoneutrality. In addition, the importance of monitoring by IRT to identify hypothermia states will be highlighted. Going deeper into these topics related to the water buffalo is essential because, in recent years, this species has become more popular and is being bred in more geographic areas.

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Section: Intrinsic Factors Affecting the Temperature In The Newborn B...mentioning

confidence: 83%

Strategies and Mechanisms of Thermal Compensation in Newborn Water Buffaloes

Mota-Rojas

Braghieri

Ghezzi

et al. 2023

Animals

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“…Thermal imaging is a non-contact, non-destructive, and highly sensitive temperature detection method that offers a potential non-invasive approach for studying thermogenesis in newborn animals [ 28 ]. Infrared thermography can detect thermal loss and BAT-associated thermogenesis more effectively than core body temperature measurements and has been effectively utilized for thermal mapping of sheep [ 20 , 29 , 30 ]. However, there are no systematic studies on the thermoregulatory responses and thermogenic regions of newborn goats in the literature.…”

Section: Discussionmentioning

confidence: 99%

Global gene expression profiling of perirenal brown adipose tissue whitening in goat kids reveals novel genes linked to adipose remodeling

Zhao,

Yang,

et al. 2024

J Animal Sci Biotechnol

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Background Brown adipose tissue (BAT) is known to be capable of non-shivering thermogenesis under cold stimulation, which is related to the mortality of animals. In the previous study, we observed that goat BAT is mainly located around the kidney at birth, and changes to white adipose tissue (WAT) in the perirenal adipose tissue of goats within one month after birth. However, the regulatory factors underlying this change is remain unclear. In this study, we systematically studied the perirenal adipose tissue of goat kids in histological, cytological, and accompanying molecular level changes from 0 to 28 d after birth. Results Our study found a higher mortality rate in winter-born goat kids, with goat birthing data statistics. Then we used thermal imaging revealing high temperature in goat hips at postnatal 0 d and gradually decrease during 28 d. This is consistent with the region of perirenal BAT deposition and highlights its critical role in energy expenditure and body temperature regulation in goat kids. Additionally, we found a series of changes of BAT during the first 28 d after birth, such as whitening, larger lipid droplets, decreased mitochondrial numbers, and down-regulation of key thermogenesis-related genes (UCP1, DIO2, UCP2, CIDEA, PPARGC1a, C/EBPb, and C/EBPa). Then, we used RNA-seq found specific marker genes for goat adipose tissue and identified 12 new marker genes for BAT and 10 new marker genes for WAT of goats. Furthermore, 12 candidate genes were found to potentially regulate goat BAT thermogenesis. The mechanism of the change of this biological phenomenon does not involve a large-scale death of brown adipocytes and subsequent proliferation of white adipocytes. While apoptosis may play a limited role, it is largely not critical in this transition process. Conclusions We concluded that perirenal BAT plays a crucial role in thermoregulation in newborn goat kids, with notable species differences in the expression of adipose tissue marker genes, and we highlighted some potential marker genes for goat BAT and WAT. Additionally, the change from BAT to WAT does not involve a large-scale death of brown adipocytes and subsequent proliferation of white adipocytes.

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“…Additionally, in early spring (predominantly cold) environments, the main cause of neonatal lamb mortality is hypothermia. A recent study pointed out that changes in body surface infrared temperature of wool sheep neonates are more closely related to climatic variables than rectal temperature, allowing effective monitoring of fetal heat loss to prevent lamb mortality [ 71 ].…”

Section: Applications Of Irt Imaging Technology In Animal Productionmentioning

confidence: 99%

Progress on Infrared Imaging Technology in Animal Production: A Review

Zheng

Zhou

Jiang

et al. 2022

Sensors

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Infrared thermography (IRT) imaging technology, as a convenient, efficient, and contactless temperature measurement technology, has been widely applied to animal production. In this review, we systematically summarized the principles and influencing parameters of IRT imaging technology. In addition, we also summed up recent advances of IRT imaging technology in monitoring the temperature of animal surfaces and core anatomical areas, diagnosing early disease and inflammation, monitoring animal stress levels, identifying estrus and ovulation, and diagnosing pregnancy and animal welfare. Finally, we made prospective forecast for future research directions, offering more theoretical references for related research in this field.

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Relationships of body surface thermography with core temperature, birth weight and climatic variables in neonatal lambs born during early spring in an arid region

Cited by 14 publications

References 23 publications

Strategies and Mechanisms of Thermal Compensation in Newborn Water Buffaloes

Strategies and Mechanisms of Thermal Compensation in Newborn Water Buffaloes

Global gene expression profiling of perirenal brown adipose tissue whitening in goat kids reveals novel genes linked to adipose remodeling

Progress on Infrared Imaging Technology in Animal Production: A Review

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