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  1. The relationship between heart rate variability and canine aggression

    Contributor(s):: Craig, Lydia, Meyers-Manor, Julia E., Anders, Kate, Sütterlin, Stefan, Miller, Holly

    Dog aggression affects many, with nearly 5 million dog bites reported yearly in the United States alone. Dog bites inflict considerable physical, emotional, and monetary costs annually (American Humane Association, 2014). One physiological measure that might serve as an index of aggression in...

  2. Effects of simulated sea motion on stepping behaviour in sheep

    Contributor(s):: Navarro, Grisel, Santurtun, Eduardo, Phillips, Clive J. C.

    Animals respond to a moving floor during transport by stepping in different directions to maintain their balance, but little is known about the importance of different types of movement. Four sheep were restrained in a crate on a platform that could be programmed to provide the various movements...

  3. Validity and reliability of cardiac measures during behavioural tests in pet dogs at home

    Contributor(s):: Lensen, Rian C. M. M., Betremieux, Cécile, Bavegems, Valérie, Sys, Stanislas U., Moons, Christel P. H., Diederich, Claire

    Behavioural tests are often used to describe dogs’ responses to a variety of stimuli. However, the expressed behaviours do not always give an accurate indication of the dogs’ mental state. Cardiac measures can be recorded in parallel to the behavioural test to provide additional information about...

  4. Comparative well-being of horses kept under total or partial confinement prior to employment for mounted patrols

    Contributor(s):: Pessoa, Gabriela O., Trigo, Pablo, Mesquita Neto, Francisco D., Lacreta Junior, Antônio C. C., Sousa, Ticiana M., Muniz, Joel A., Moura, Raquel S.

    Horses kept in stables may exhibit undesirable behaviours and stress during police service. The objective of this study was to evaluate the influence of confinement, i.e., time in stalls, on horse behaviour and welfare employed by mounted patrols in urban areas. Eight adult horses were subjected...

  5. A two-stage method to approach weaning stress in horses using a physical barrier to prevent nursing

    Contributor(s):: Merkies, Katrina, DuBois, Cordelie, Marshall, Kaitlyn, Parois, Severine, Graham, Laura, Haley, Derek

    Many domestic horses are weaned through abrupt physical separation of the foal and mare. Deviations from normal behaviours testify that this abrupt method has an adverse effect on the well-being of both mares and foals. To reduce negative changes in behaviour and physiology induced by weaning, a...

  6. Effects of the method of restraint for shearing on behaviour and heart rate variability in alpacas

    Contributor(s):: Waiblinger, Susanne, Hajek, Franziska, Lambacher, Bianca, Wittek, Thomas

    Alpacas are increasingly kept in Europe for different purposes including fibre production. Yearly shearing is necessary to harvest fibre and for welfare reasons. Different methods of restraint are used during shearing, which may affect the welfare of the animals differently. The aim of the study...

  7. Responses of dams versus non-nursing cows to machine milking in terms of milk performance, behaviour and heart rate with and without additional acoustic, olfactory or manual stimulation

    Contributor(s):: Zipp, Katharina A., Barth, Kerstin, Rommelfanger, Eike, Knierim, Ute

    There is increasing interest in dam rearing where dairy cows are milked and nurse their calves additionally. One shortcoming in dam rearing is the impaired alveolar milk ejection, which lowers the milk yield obtainable by machine milking. In this study dams and non-nursing dairy cows were...

  8. Poker Face: Discrepancies in behaviour and affective states in horses during stressful handling procedures

    Contributor(s):: Squibb, Keith, Griffin, Kym, Favier, Rebecca, Ijichi, Carrie

    Correct assessment of stress in horses is important for both horse welfare and handler safety during necessary aversive procedures. Handlers depend on behaviour when judging how well an individual is tolerating stressful procedures such as loading or veterinary intervention. However, evidence...

  9. Cage size affects comfort, safety and the experienced security of working dogs in cars

    Contributor(s):: Skånberg, Lena, Gauffin, Oskar, Norling, Yezica, Lindsjö, Johan, Keeling, Linda J.

    Working dogs often spend a large amount of their time in cars. It has been hypothesized that a larger compartment in the car would be more comfortable for the dog, but that a smaller space could be safer, especially while driving. This presents a potential conflict. In this study, working dogs of...

  10. Behavioural and physiological responses of therapy horses to mentally traumatized humans

    Contributor(s):: Merkies, Katrina, McKechnie, Marnie J., Zakrajsek, Emily

    The benefits to humans of equine-assisted therapy (EAT) have been well-researched, however few studies have analyzed the effects on the horse. Understanding how differing mental states of humans affect the behaviour and response of the horse can assist in providing optimal outcomes for both horse...

  11. Stranger danger? An investigation into the influence of human-horse bond on stress and behaviour

    Contributor(s):: Ijichi, Carrie, Griffin, Kym, Squibb, Keith, Favier, Rebecca

    Human-animal bond is receiving increasing attention and is thought to confer benefits on well-being and performance in working animals. One important benefit of bonding is the "safe base" an attachment figure provides, which manifests in better coping and increased exploration during potential...

  12. Evaluation of visible eye white and maximum eye temperature as non-invasive indicators of stress in dairy cows

    Contributor(s):: Gómez, Y., Bieler, R., Hankele, A. K., Zähner, M., Savary, P., Hillmann, E.

    The aim of this study was to investigate if visible eye white and eye temperature measurements are feasible non-invasive physiological indicators of acute stress in cows when they are exposed to cattle crush treatment for claw trimming. In the experimental setting, 30 cows of two breeds (Red...

  13. Evaluation of different habituation protocols for training dairy jennies to the milking parlor: Effect on milk yield, behavior, heart rate and salivary cortisol

    Contributor(s):: De Palo, Pasquale, Maggiolino, Aristide, Albenzio, Marzia, Caroprese, Mariangela, Centoducati, Pasquale, Tateo, Alessandra

    The aim of the trial was to apply different habituation protocols for machine milking to never machine-milked donkeys observing the effect on behavior, heart rate, salivary cortisol concentration and milk yield. Sixty lactating dairy donkeys were studied; the animals were divided into three...

  14. Effects of Short-Term Human-Horse Interactions on Human Heart Rate Variability: A Multiple Single Case Study

    Full-text: Available

    | Contributor(s):: Saan Ecker, Amy Lykins

    Influences from human-horse interactions form the basis of the emerging field of equine-assisted psychotherapy (EAP). However, the psychophysiological effects of horses on humans in the EAP context have been underinvestigated. This multiple single case design study examined the effects of...

  15. Effects of Short-Term Human-Horse Interactions on Human Heart Rate Variability: A Multiple Single Case Study

    | Contributor(s):: Saan Ecker, Amy Lykins

  16. A simple method for determining pulse width as a substitute for RR interval: A brief technical guide

    Full-text: Available

    | Contributor(s):: James Heathers, Matthew Goodwin

    Photoplethysmography (PPG) provides cheap, simple access to pulsatile intervals which correspond to heart beats. However, it often provides a signal which is significantly degraded,and requires cleaning. Manual correction is time consuming, automated correction often fails to deal with unusual...

  17. Judgement bias in goats (Capra hircus): investigating the effects of human grooming

    Full-text: Available

    | Contributor(s):: Luigi Baciadonna, Christian Nawroth, Alan G. McElligott

      Animal emotional states can be investigated by evaluating their impact on cognitive processes. In this study, we used a judgement bias paradigm to determine if short-term positive human-animal interaction (grooming) induced a positive affective state in goats. We tested two groups of...

  18. Heart Rate and Heart Rate Variability during Sleep in Family Dogs (Canis familiaris). Moderate Effect of Pre-Sleep Emotions

    Full-text: Available

    | Contributor(s):: Bence Varga, Anna Gergely, Agoston Galambos, Anna Kis

    It is common knowledge that negative emotions in humans are accompanied by both impaired subjective experience as well as maladaptive changes in behavior and physiology. The present paper investigates heart rate—one of the most commonly used emotion-related physiology measures—in...

  19. The beneficial effects of horse trekking on autonomic nervous activity in experienced rider with no disability

    | Contributor(s):: Matsuura, A., Maruta, H.

  20. Effects of a Form of Equine-Facilitated Learning on Heart Rate Variability, Immune Function, and Self-Esteem in Older Adults

    | Contributor(s):: Ann L. Baldwin, Barbara K. Rector, Ann C. Alden

    Equine-facilitated learning (EFL) helps people access their immediate sensations and feelings because horses, as prey animals, are continually aware of their environment and provide instant feedback to human behaviors and emotions. We hypothesize that during EFL, older people become more aware...