Anxiety and pain in horses measured by heart rate variability and behavior

Reid, Katherine; Rogers, Chris W.; Gronqvist, Gabriella; Gee, Erica K.; Bolwell, Charlotte F.

doi:10.1016/j.jveb.2017.09.002

Cited by 46 publications

(33 citation statements)

References 41 publications

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“…The only variable that provided similar results among clusters was J o u r n a l P r e -p r o o f the ChT test. These results indicate that this test is useful for evaluating post-transport fatigue but was not useful to distinguish associations with other welfare indicators or clear differences between profiles of horses at the abattoir (Reid et al, 2017). 37…”

Section: Clustering Patterns Of Horse Fitness For Transport On Arrival At the Abattoirmentioning

confidence: 93%

Welfare of horses from Mexico and the United States of America transported for slaughter in Mexico: Fitness profiles for transport and pre-slaughter logistics

Lama

Gonzales-Castro

Gutiérrez-Piña

et al. 2020

Preventive Veterinary Medicine

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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Section: Clustering Patterns Of Horse Fitness For Transport On Arrival At the Abattoirmentioning

confidence: 93%

Welfare of horses from Mexico and the United States of America transported for slaughter in Mexico: Fitness profiles for transport and pre-slaughter logistics

Lama

Gonzales-Castro

Gutiérrez-Piña

et al. 2020

Preventive Veterinary Medicine

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“…Bilateral lameness status was confirmed between 4 and 12 h through biomarkers of inflammation and two boarded equine specialists (diplomates European College of Veterinary Surgeons (ECVS)). Previous research has shown a reduction in locomotor activity and increased stationary behaviours in equines in painful states [ 38 ], which was not born out across the 3 × 1 week experimental periods examined in this study. The subtle lameness induced, coupled with the stringent threshold applied to the acceleration signal that led to the elimination of most of the extraneous movement, could explain this discrepancy.…”

Section: Discussionmentioning

confidence: 58%

The Feasibility of Equine Field-Based Postural Sway Analysis Using a Single Inertial Sensor

Egan

Brama

Goulding

et al. 2021

Sensors

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(1) Background: Postural sway is frequently used to quantify human postural control, balance, injury, and neurological deficits. However, there is considerably less research investigating the value of the metric in horses. Much of the existing equine postural sway research uses force or pressure plates to examine the centre of pressure, inferring change at the centre of mass (COM). This study looks at the inverse, using an inertial measurement unit (IMU) on the withers to investigate change at the COM, exploring the potential of postural sway evaluation in the applied domain. (2) Methods: The lipopolysaccharide model was used to induce transient bilateral lameness in seven equines. Horses were monitored intermittently by a withers fixed IMU over seven days. (3) Results: There was a significant effect of time on total protein, carpal circumference, and white blood cell count in the horses, indicating the presence of, and recovery from, inflammation. There was a greater amplitude of displacement in the craniocaudal (CC) versus the mediolateral (ML) direction. A significant difference was observed in the amplitude of displacement in the ML direction between 4–12 h and 168 h.; (4) Conclusions: The significant reduction in ML displacement during the acute inflammation period alongside greater overall CC displacement may be a compensatory behaviour for bilateral lameness.

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“…The subjective experience or perception of pain is likely associated with activation of these cortical regions, but the experience can be modulated by these thalamic and limbic system connections [ 31 ]. For example, the amygdala has an important role in the emotional-affective component [ 30 ] but can also influence cognitive aspects such as decision-making in relation to pain [ 5 , 32 , 33 , 34 ].…”

Section: The Neurobiology Of Painmentioning

confidence: 99%

Pain at the Slaughterhouse in Ruminants with a Focus on the Neurobiology of Sensitisation

Mota-Rojas

Napolitano

Strappini

et al. 2021

Animals

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We pose, based on a neurobiological examination, that events that occur around the time of slaughter have the potential to intensify the pain response, through the processes of sensitisation and enhanced transmission. Sensitisation, or an enhanced response to painful stimuli, is a well-discussed phenomenon in the human medical literature, which can arise from previous injury to an area, inflammatory reactions, or previous overstimulation of the stress axes. A number of events that occur prior to arrival at, or in the slaughterhouse, may lead to presence of these factors. This includes previous on-farm pathology, injuries arising from transport and handling and lack of habituation to humans. Whilst there is limited evidence of a direct effect of these on the processes of sensitisation in animals at slaughter, by analogy with the human neurobiology literature the connection seems plausible. In this review a neurobiological approach is taken to discuss this hypothesis in the light of basic science, and extrapolations from existing literature on the slaughter of ruminants. To confirm the postulated link between events at slaughter, and processes of hypersensitisation, further dedicated study is required.

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Anxiety and pain in horses measured by heart rate variability and behavior

Cited by 46 publications

References 41 publications

Welfare of horses from Mexico and the United States of America transported for slaughter in Mexico: Fitness profiles for transport and pre-slaughter logistics

Welfare of horses from Mexico and the United States of America transported for slaughter in Mexico: Fitness profiles for transport and pre-slaughter logistics

The Feasibility of Equine Field-Based Postural Sway Analysis Using a Single Inertial Sensor

Pain at the Slaughterhouse in Ruminants with a Focus on the Neurobiology of Sensitisation

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