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| Author | A. Lanata; A. Guidi; G. Valenza; P. Baragli; E. P. Scilingo | ||||
| Title | Quantitative heartbeat coupling measures in human-horse interaction | Type | Conference Article | ||
| Year | 2016 | Publication | 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) | Abbreviated Journal | 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (E |
| Volume | Issue | Pages | 2696-2699 | ||
| Keywords | electrocardiography; medical signal processing; signal classification; time series; Dtw; Hrv; Mpc; Msc; complex biological systems; dynamic time warping; grooming; heart rate variability time series; heartbeat dynamics; human-horse dynamic interaction; magnitude squared coherence; magnitude-phase coupling; mean phase coherence; nearest mean classifier; quantitative heartbeat coupling; real human-animal interaction; time duration; visual-olfactory interaction; Coherence; Couplings; Electrocardiography; Heart rate variability; Horses; Protocols; Time series analysis | ||||
| Abstract | Abstract— We present a study focused on a quantitative estimation of a human-horse dynamic interaction. A set of measures based on magnitude and phase coupling between heartbeat dynamics of both humans and horses in three different conditions is reported: no interaction, visual/olfactory interaction and grooming. Specifically, Magnitude Squared Coherence (MSC), Mean Phase Coherence (MPC) and Dynamic Time Warping (DTW) have been used as estimators of the amount of coupling between human and horse through the analysis of their heart rate variability (HRV) time series in a group of eleven human subjects, and one horse. The rationale behind this study is that the interaction of two complex biological systems go towards a coupling process whose dynamical evolution is modulated by the kind and time duration of the interaction itself. We achieved a congruent and consistent statistical significant difference for all of the three indices. Moreover, a Nearest Mean Classifier was able to recognize the three classes of interaction with an accuracy greater than 70%. Although preliminary, these encouraging results allow a discrimination of three distinct phases in a real human-animal interaction opening to the characterization of the empirically proven relationship between human and horse. |
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| Series Editor | Series Title | Abbreviated Series Title | 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (E | ||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1557-170x | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6175 | ||
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| Author | Schnabel, C.L.; Babasyan, S.; Freer, H.; Wagner, B. | ||||
| Title | Quantification of equine immunoglobulin A in serum and secretions by a fluorescent bead-based assay | Type | Journal Article | ||
| Year | 2017 | Publication | Veterinary Immunology and Immunopathology | Abbreviated Journal | |
| Volume | 188 | Issue | Pages | 12-20 | |
| Keywords | Horse; Immunoglobulin A; Monoclonal antibody; Fluorescent bead-based assay; Mucosal secretion | ||||
| Abstract | Abstract Only few quantitative reports exist about the concentrations and induction of immunoglobulin A (IgA) in mucosal secretions of horses. Despite this, it is widely assumed that IgA is the predominant immunoglobulin on mucosal surfaces in the horse. Here, two new monoclonal antibodies (mAbs) against equine IgA, clones 84-1 and 161-1, were developed and characterized in detail. Both IgA mAbs specifically bound monomeric and dimeric equine IgA in different applications, such as Western blots and fluorescent bead-based assays. Cross-reactivity with other equine immunoglobulin isotypes was not observed. The new IgA mAb 84-1 was used in combination with the previously characterized anti-equine IgA mAb BVS2 for the development and validation of a fluorescent bead-based assay to quantify total IgA in equine serum and various secretions. The IgA assay's linear detection ranged from 64 pg/ml to 1000 ng/ml. For the quantification of IgA in serum or in secretions an IgA standard was purified from serum or nasal wash fluid (secretory IgA), respectively. The different standards were needed for accurate IgA quantification in the respective samples taking the different signal intensities of monomeric and dimeric IgA on the florescent bead-based assay into account. IgA was quantified by the bead-based assay established here in different equine samples of healthy adult individuals. In serum the median total IgA was 0.45 mg/ml for Thoroughbred horses (TB, n = 10) and 1.16 mg/ml in Icelandic horses (ICH, n = 12). In nasopharyngeal secretions of TB (n = 7) 0.13 mg/ml median total IgA was measured, and 0.25 mg/ml for ICH (n = 12). Saliva of ICH (n = 6) contained a median of 0.15 mg/ml, colostrum of Warmbloods (n = 8) a median of 1.89 mg/ml IgA. Compared to IgG1 and IgG4/7 quantified in the same samples, IgA appeared as the major immunoglobulin isotype in nasopharyngeal secretions and saliva while it is a minor isotype in serum and colostrum. The newly developed monoclonal antibodies against equine IgA and the resulting bead-based assay for quantification of total IgA can notably improve the evaluation of mucosal immunity in horses. | ||||
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| ISSN | 0165-2427 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6152 | ||
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| Author | Leadbeater, E. | ||||
| Title | What evolves in the evolution of social learning? | Type | Journal Article | ||
| Year | 2015 | Publication | Journal of Zoology | Abbreviated Journal | J Zool |
| Volume | 295 | Issue | 1 | Pages | 4-11 |
| Keywords | social learning; associative learning; social information use | ||||
| Abstract | Social learning is fundamental to social life across the animal kingdom, but we still know little about how natural selection has shaped social learning abilities on a proximate level. Sometimes, complex social learning phenomena can be entirely explained by Pavlovian processes that have little to do with the evolution of sociality. This implies that the ability to learn socially could be an exaptation, not an adaptation, to social life but not that social learning abilities have been left untouched by natural selection. I discuss new empirical evidence for associative learning in social information use, explain how natural selection might facilitate the associative learning process and discuss why such studies are changing the way that we think about social learning. | ||||
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| ISSN | 1469-7998 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6015 | ||
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| Author | Ramos, D.; Reche-Junior, A.; Fragoso, P.L.; Palme, R.; Yanasse, N.K.; Gouvêa, V.R.; Beck, A.; Mills, D.S. | ||||
| Title | Are cats (Felis catus) from multi-cat households more stressed? Evidence from assessment of fecal glucocorticoid metabolite analysis | Type | Journal Article | ||
| Year | 2013 | Publication | Physiology & Behavior | Abbreviated Journal | Physiol. Behav. |
| Volume | 122 | Issue | Pages | 72-75 | |
| Keywords | Feline; Housing; Non-invasive; Enzyme immunoassay; Cortisol | ||||
| Abstract | Abstract Given the social and territorial features described in feral cats, it is commonly assumed that life in multi-cat households is stressful for domestic cats and suggested that cats kept as single pets are likely to have better welfare. On the other hand, it has been hypothesized that under high densities cats can organize themselves socially thus preventing stress when spatial dispersion is unavailable. This study was aimed at comparing the general arousal underpinning emotional distress in single housed cats and in cats from multi-cat households (2 and 3–4 cats) on the basis of fecal glucocorticoid metabolites (GCM) measured via enzyme immunoassay (EIA). GCM did not significantly vary as a function of living style (single, double or group-housing); highly stressed individuals were equally likely in the three groups. Young cats in multi-cat households had lower GCM, and overall cats that tolerate (as opposed to dislike) petting by the owners tended to have higher GCM levels. Other environmental aspects within cat houses (e.g. relationship with humans, resource availability) may play a more important role in day to day feline arousal levels than the number of cats per se. | ||||
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| ISSN | 0031-9384 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5997 | ||
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| Author | Graf, P.; Schneider, T.; KönigvonBorstel, U.; Gauly M. | ||||
| Title | Kosten-Nutzen-Analyse einer objektivierten Temperamentbeurteilung bei Pferden [Economic evaluation of an objective temperament assessment in horses] | Type | Journal Article | ||
| Year | 2013 | Publication | Züchtungskunde | Abbreviated Journal | |
| Volume | 85 | Issue | 2 | Pages | 129-142 |
| Keywords | Kosten, Nutzen, Interieurbeurteilung, Pferd, Temperament [Economy, personality assessment, horse, temperament] | ||||
| Abstract | Das Ziel der vorliegenden Studie war die Ermittlung der Kosten eines Verhaltenstests zur objektiven Temperamentbeurteilung. Sie wurde an 1028 Pferden auf 55 Zuchtveranstaltungen und Privatbetrieben ermittelt. Weiterhin wurde eine Befragung zur allgemeinen Akzeptanz einer solchen Beurteilung bei Reitpferden durchgeführt. Zusätzlich wurde mit Hilfe einer Online-Umfrage die Meinung zu den Kosten und dem Aufwand einer solchen Beurteilung ermittelt. Die Kosten der Einführung einer objektiven Temperamentbeurteilung entsprechen nach Einbeziehung aller Faktoren ca. 18 Euro je Pferd. Den Kosten steht die Zahlungsbereitschaft für eine verbesserte, da objektivierte Temperamentbeurteilung gegenüber. Insgesamt 56,7% der Befragten wären bereit, mehr als 11 Euro für eine objektive Interieurbeurteilung auf Leistungsprüfungen im Feld zu investieren. Im Rahmen von Stationsprüfungen wären sie sogar bereit mehr als 30 Euro aufzuwenden. Die Wertsteigerung eines im Rahmen des Verfahrens positiv bewerteten Pferdes um 5%, die von den Teilnehmern der Umfrage durchschnittlich angenommen wird, würde zusätzlich den Gewinn beim Pferdeverkauf steigern. Die Ergebnisse zeigen, dass die Kosten einer objektiven Temperamentbeurteilung durch eine erhöhte Zahlungsbereitschaft der Käufer scheinbar kompensiert werden können, so dass die Einführung eines Temperamenttests zur objektiven Interieurbeurteilung in Form der vorgestellten Untersuchungen grundsätzlich finanzierbar ist. [The aim of the present study was to assess costs as well as riders’ acceptance of an objective temperament evaluation in riding horses. Costs were determined based on a novel object test conducted in 1028 horses tested on 65 occasions during performance tests or in private stables. In addition, an online survey was used to identify riders’ opinion about the costs and benefits of such an assessment. Based on the conditions assumed in the present study the costs for temperament testing have amount 18 Euro per horse. More than 50% of the respondents were willing to pay more than 11 Euro for an objective temperament assessment in their horses during performance tests in field. Within performance tests on station they would spend more than 30 Euro for an objective temperament assessment. Participants further assumed a rise in value of favourably assessed horses by 5%, leading to increased profits when selling the horse. In conclusion, riders appear to be willing to cover the additional costs accrued from the temperament test. Therefore, the introduction of an objective temperament assessment is likely to pay off.] |
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| ISSN | 0044-5401 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5866 | ||
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| Author | Massen, J.; Sterck, E.; de Vos, H. | ||||
| Title | Close social associations in animals and humans: functions and mechanisms of friendship | Type | |||
| Year | 2010 | Publication | Behaviour | Abbreviated Journal | |
| Volume | 147 | Issue | 11 | Pages | 1379 |
| Keywords | Both humans and group-living animals associate and behave affiliatively more with some individuals than others. Human friendship has long been acknowledged, and recently scientists studying animal behaviour have started using the term friendship for close social associates in animals. Yet, while biologists describe friends as social tools to enhance fitness, social scientists describe human friendship as unconditional. We investigate whether these different descriptions reflect true differences in human friendship and animal close social associations or are a by-product of different research approaches: namely social scientists focussing on proximate and biologists on ultimate explanations. We first stress the importance of similar measures to determine close social associations, thereafter examine their ultimate benefits and proximate motivations, and discuss the latest findings on the central-neural regulation of social bonds. We conclude that both human friendship and animal close social associations are ultimately beneficial. On the proximate level, motivations for friendship in humans and for close social associations in animals are not necessarily based on benefits and are often unconditional. Moreover, humans share with many animals a similar physiological basis of sociality. Therefore, biologists and social scientist describe the same phenomenon, and the use of the term friendship for animals seems justified. | ||||
| Abstract | Both humans and group-living animals associate and behave affiliatively more with some individuals than others. Human friendship has long been acknowledged, and recently scientists studying animal behaviour have started using the term friendship for close social associates in animals. Yet, while biologists describe friends as social tools to enhance fitness, social scientists describe human friendship as unconditional. We investigate whether these different descriptions reflect true differences in human friendship and animal close social associations or are a by-product of different research approaches: namely social scientists focussing on proximate and biologists on ultimate explanations. We first stress the importance of similar measures to determine close social associations, thereafter examine their ultimate benefits and proximate motivations, and discuss the latest findings on the central-neural regulation of social bonds. We conclude that both human friendship and animal close social associations are ultimately beneficial. On the proximate level, motivations for friendship in humans and for close social associations in animals are not necessarily based on benefits and are often unconditional. Moreover, humans share with many animals a similar physiological basis of sociality. Therefore, biologists and social scientist describe the same phenomenon, and the use of the term friendship for animals seems justified. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5813 | ||
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| Author | Bosch, O.J.; Nair, H.P.; Ahern, T.H.; Neumann, I.D.; Young, L.J. | ||||
| Title | The CRF System Mediates Increased Passive Stress-Coping Behavior Following the Loss of a Bonded Partner in a Monogamous Rodent | Type | Journal Article | ||
| Year | 2008 | Publication | Abbreviated Journal | Neuropsychopharmacology | |
| Volume | 34 | Issue | 6 | Pages | 1406-1415 |
| Keywords | prairie vole; passive stress-coping; forced swim test; tail suspension test; elevated plus-maze; hypothalamo–pituitary–adrenal axis | ||||
| Abstract | Social relationships significantly influence physiology and behavior, including the hypothalamo–pituitary–adrenal axis, anxiety, and mental health. Disruption of social bonds through separation or death often results in profound grieving, depression, and physical illness. As the monogamous prairie vole forms enduring, selective pair bonds with the mating partner, they provide an animal model to study the physiological consequences of pair bonding and, thus, the loss of the bonded partner. Male prairie voles were paired with a novel female or male sibling. After 5 days, half of the males of each group were separated from the partner. Elevated plus-maze, forced swim, and tail suspension tests were used to assess anxiety-like and passive stress-coping behaviors indicative of depressive-like behavior. Following 4 days of separation from the female but not the male partner, experimental males displayed increased passive stress-coping. This effect was abolished by long-term intracerebroventricular infusion of a nonselective corticotropin-releasing factor (CRF) receptor antagonist without disrupting the bond itself. Both CRF type 1 and 2 receptors were involved in the emergence of passive stress-coping behavior. Furthermore, pairing with a female was associated with elevated CRF mRNA in the bed nucleus of the stria terminalis, and partner loss elicited a pronounced increase in circulating corticosteroid and adrenal weight. We speculate that the CRF system may mediate an aversive affect following separation from the female partner, which may facilitate proximity seeking between the pair-bonded individuals. Hence, the prairie vole model may provide insights into brain mechanisms involved in the psychopathological consequences of partner loss. |
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| Publisher | American College of Neuropsychopharmacology | Place of Publication | Editor | ||
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| ISSN | 0893-133x | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5731 | ||
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| Author | Morton, F.B.; Lee, P.C.; Buchanan-Smith, H.M. | ||||
| Title | Taking personality selection bias seriously in animal cognition research: a case study in capuchin monkeys (Sapajus apella) | Type | Journal Article | ||
| Year | 2013 | Publication | Abbreviated Journal | Animal Cognition | |
| Volume | 16 | Issue | 4 | Pages | 677-684 |
| Keywords | Platyrrhines; Temperament; Cognitive experiment; Selection bias; Associative learning; Training | ||||
| Abstract | In most experimental work on animal cognition, researchers attempt to control for multiple interacting variables by training subjects prior to testing, allowing subjects to participate voluntarily, and providing subjects with food rewards. However, do such methods encourage selection bias from subjects’ personalities? In this study, we trained eighteen zoo-housed capuchin monkeys (Sapajus apella) for two experiments, under conditions of positive reinforcement (i.e. food rewards) and free-choice participation. Using a combination of behavioral and rater-based methods, we identified and validated five personality dimensions in these capuchins (Assertiveness, Openness, Neuroticism, Sociability, and Attentiveness). Scores on Openness were positively related to individual differences in monkey task participation, reflecting previous work showing that such individuals are often more active, curious, and willing to engage in testing. We also found a negative relationship between scores on Assertiveness and performance on tasks, which may reflect the trade-offs between speed and accuracy in these animals’ decision-making. Highly Assertive individuals (the most sociable within monkey groups) may also prioritize social interactions over engaging in research. Lastly, monkeys that consistently participated and performed well on both tasks showed significantly higher Openness and lower Assertiveness compared to others, mirroring relationships found between personality, participation, and performance among all participants. Participation and performance during training was clearly biased toward individuals with particular personalities (i.e. high Openness, low Assertiveness). Results are discussed in light of the need for careful interpretation of comparative data on animal cognition and the need for researchers to take personality selection bias more seriously. Animal Cognition Animal Cognition Look Inside |
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| Publisher | Springer-Verlag | Place of Publication | Editor | ||
| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1435-9448 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5696 | ||
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| Author | Young, T.; Creighton, E.; Smith, T.; Hosie, C. | ||||
| Title | A novel scale of behavioural indicators of stress for use with domestic horses | Type | Journal Article | ||
| Year | 2012 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | |
| Volume | 140 | Issue | 1–2 | Pages | 33-43 |
| Keywords | Horse; Behaviour scores; Cortisol; Saliva; Welfare assessment; Non-invasive | ||||
| Abstract | Behaviour scores (BS) offer non-invasive, objective and easy to use ways of assessing welfare in animals. Their development has, however, largely focused on behavioural reactions to stressful events (often induced), and little use of physiological measures has been made to underpin and validate the behavioural measures. This study aimed to develop a physiologically validated scale of behavioural indicators of stress for the purpose of welfare assessment in stabled domestic horses. To achieve this, behavioural and physiological data were collected from 32 horses that underwent routine husbandry procedures. Principal component analysis (PCA) of the behavioural and physiological data revealed three meaningful components that were used as the basis of the scale. Analysis of video clips of the horses’ responses to the husbandry procedures was undertaken by a panel of equestrian industry professionals using a free choice profiling (FCP) methodology. These results were added to the scale along with key definitions from relevant literature. Salivary cortisol levels were significantly correlated with the BS confirming the scale was meaningful and reflected physiological stress. The scale offers an easy to use ‘tool’ for rapid, reliable non-invasive welfare assessment in horses, and reduces the need for potentially invasive physiological measures. | ||||
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| ISSN | 0168-1591 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5637 | ||
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| Author | Flauger, B.; Krueger, K.; Gerhards, H.; Möstl, E. | ||||
| Title | Simplified method to measure glucocorticoid metabolites in faeces of horses | Type | Journal Article | ||
| Year | 2010 | Publication | Veterinary Research Communications | Abbreviated Journal | Vet Res Comm |
| Volume | 34 | Issue | 2 | Pages | 185-195 |
| Keywords | ACTH challenge; enzyme immunoassay; stress behaviour; cortisol | ||||
| Abstract | Glucocorticoids or their metabolites can be measured in several body fluids or excreta, including plasma, saliva, urine and faeces. In recent years the measurement of glucocorticoid metabolites (GCMs) in faeces has gained increasing attention, because of its suitability for wild populations. In horses, however, the group-specific enzyme immunoassay described so far has a limited racticability due to its complex extraction procedure. Therefore, we tested the applicability of other enzyme immunoassays for glucocorticoid metabolites. The present study clearly proved that an enzyme immunoassay (EIA) for 11-oxoetiocholanolone using 11-oxoetiocholanolone-17-CMO: BSA (3α,11-oxo-A EIA) as antigen showed high amounts of immunoreactive substances. Therefore it was possible to use just a small amount of the supernatant of a methanolic suspension of faeces. The results correlated well with the already described method for measuring GCMs in horse faeces, i.e. analysing the samples with an EIA after a two step clean up procedure of the samples (Merl et al. 2000). In addition, the 3α,11-oxo-A EIA has the advantage of providing a bigger difference between baseline values and peak values after ACTH stimulation. The new assay increased the accuracy of the test, lowered the expenses per sample, and storing samples at room temperature after collection was less critical than with other assays investigated in our study. This is a big advantage both in the field of wildlife management of equids and in the field of equestrian sports and it shows the importance of choosing an assay which is in good accordance with the metabolites excreted in a given species. |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5073 | ||
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