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| Author | Hollenhorst, H.; Weil, S.; Krueger, K. | ||||
| Title | Innovative behavour in horses (Equus caballus) | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 3. International Equine Science Meeting | Abbreviated Journal | Proc. 3. Int. Equine. Sci. Mtg |
| Volume | Issue | Pages  |
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| Keywords | innovative behavior, age, housing system, horse (Equus caballus) | ||||
| Abstract | Contrary to the widely-spread assumption that horses just have restricted cognitive capacities and are not very flexible in their behaviors, we showed that horses display innovative behavior and even make use of tools (Krueger 2015, Krueger et al. 2015). These findings derive from a database (http://innovative-behaviour.org/) the Equine behavior team managed in the past two years. Some horses did not only show single innovations, but several different innovations. The number of innovations per individual varied from 1 to 10. 20 % of all innovative horses in the database showed more than one innovation. These individuals can be called the ‘true innovators’. Moreover innovations were dependent on age. Young horses were more innovative than older ones, whereby horses at the age of five to nine years were the most innovative. When considering the housing system innovative horses in a single housing (inside box, outside box, paddock box) had a slight majority towards horses in group housing (open stable, active stable, pasture day and night). But given the fact that ratings on housing system frequencies state 95% of the horses to be kept in individual housing, innovations in individual housing are rare. Nevertheless, horses kept in inside boxes without a window, opened doors more often than all other horses. Aside from this effect, housing systems did not trigger the frequency of innovative behavior. Innovations for gaining freedom and innovations in general were widespread among horses with daily access to pasture and daily contact with conspecifics. Innovations for gaining food were not more likely to occur in horses that were fed little amounts of roughage. In conclusion, the housing of horses does not seem to be the primary catalyst for developing innovative behavior in horses. What makes a “true innovator” in horses, in addition to age, remains to be seen. | ||||
| Address | |||||
| Corporate Author | Hollenhorst, H. | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | ; Krueger, K. |
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | Proc. 3. Int. Equine. Sci. Mtg | ||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | 978-3-95625-000-2 | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Id - | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5896 | ||
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| Author | Jacquot, M.; Grosjean, A., Emrot, C.; Van-Erck-Westergem, E.; Schwartz, C.; Tomberg, C. | ||||
| Title | Effects of a walk phase at the warm up onset on physiological and behavioural parameters of ridden horses (Equus caballus) | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 3. International Equine Science Meeting | Abbreviated Journal | Proc. 3. Int. Equine. Sci. Mtg |
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| Abstract | For human athletes, any physical performance classically begins with a warm-up including a phase of cardio-respiratory activation as well as a phase of neuro-muscular mobilization. For the equine athletes similar routines are widely followed despite limited scientific studies addressing its effectiveness. Although physiological bases are of a similar nature in humans and horses, the latter are showing a different “telos” related to their status of prey. Indeed, their survival depends on their ability to detect any predator or potential danger in their environment and to estimate the need to run away. Therefore warm-up techniques should be adapted to this specificity and we added a walk phase preceding the usual warm-up during which the horse was allowed to visually assess its environment without constraint imposed by its rider, reins being long. We assumed that this walk phase would allow a more relaxed mental state and then a decrease in cognitive resources involved in environmental monitoring. Consequently this would release cognitive resources then available for the communication between the horse and the rider. The autonomous nervous system (ANS) regulates the heart rate via the sympathetic and the parasympathetic nervous systems. The sympathovagal balance and the heart rate variability are considered as good indicators of an acute stress state as well as emotional states. These measures are frequently used to estimate well-being in animals. During the walk phase, we observed a significant decrease of the heart rate (HR), a significant increase of its variability and a significant modification of the sympathovagal balance in favour of a higher contribution of the parasympathetic control. We also measured the non-linear correlation dimension which reflects the degree of freedom of a system. To the best of our knowledge, this method was used until now only in humans to whom it was shown that its decrease is related to stressful events and is associated with a bad prognosis for survival. During the walk phase in horses, the dimension of correlation of cardiac activity was increased. From a behavioural point of view, we observed a significant decrease of side movements related to head orientation as well as significant changes in ears position, the latter being preferentially directed forwards at the beginning of the walk phase and laterally at the end. As previous research suggests that ears position and head orientation can be involved in attentional mechanisms in horses, our results suggest a decrease of the attention focused on the environment. Furthermore, a significant lowering of the neck was observed as well as a significant decrease of behaviours related to stress. To conclude our results suggest that a walk phase preceding the usual warm-up of horses would contribute to improve their mental state in favour of more relaxation and of a decrease of the attentional resources invested in environmental monitoring. |
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| Corporate Author | Jacquot, M. | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | ; Krueger, K. |
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 978-3-95625-000-2 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Id - | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5897 | ||
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| Author | König von Borstel, U.; Küllmar, A. | ||||
| Title | A pilot study on horses‘ behaviour and distance travelled in a “Paddock Trail” husbandry system | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 3. International Equine Science Meeting | Abbreviated Journal | Proc. 3. Int. Equine. Sci. Mtg |
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| Abstract | With most modern horse husbandry systems, horses’ locomotory behavior is quantitatively as well as qualitatively considerably altered, compared to the slow and continuous movement shown by horses living under conditions similar to those they have evolved under. This lack of locomotion as well as the change in quality of locomotion is thought to be responsible for a number of health issues seen in present day horses. The aim of the present study was to assess behaviour and particularly locomotion in horses kept in a husbandry system specifically designed to stimulate locomotory behaviour in horses. This type of husbandry system is named “Paddock Trail”, (PT) but is also known as “Paddock Paradise”, and the key concept of this husbandry system involves strategic placement of small portions of feed along a track which is an integral part of this husbandry system. For the present study, 11 horses, not used for riding or other activities and kept in one Paddock Trail husbandry system were available. Seven horses used in equine assisted therapy lessons and housed individually in conventional paddock-boxes (IB) served as a control group. Both groups of horses were composed of a similar mixture of horses with regard to age and breeds. Using time-sampling, behaviour of the horses was observed in 8 bouts (4 morning and 4 afternoon sessions) of 5 hours each. In addition, the average speed and distance covered was assessed in 3 (PT) and 5 (IB) horses, respectively, using a GPS system. Since the GPS signal is blocked by buildings and reliable recording would not be possible indoors, the IB horses were recorded only during their work in the therapy sessions. The behavioural observations revealed that the PT horses allocated a larger proportion of time to locomotory behaviour compared to the IB horses (on average 12 vs 3% of the 5 h observation periods; P<0,05), and in turn resting behaviour was reduced in PT horses compared to IB horses (30 vs. 46%; P<0,05). Time spent grazing (10 vs. 8%) and feeding other than grazing (47 vs. 44%) did not differ significantly between the two groups of horses in the two different husbandry systems (P>0,1). In addition, resting and feeding behaviour was influenced by social rank, such that higher ranking horses spent more time feeding and less time resting compared to horses of lower ranks (both P<0,05). Within the 5 hour observation periods, horses of the PT system covered on average a distance of 2,7 km at an average speed of 0,5 km/h. In comparison, IB horses covered during their work in the therapy sessions on average a distance of 2,1 km at an average speed of 3,6 km/h for a duration of 35 minutes. Although the confounding of groups of horses with husbandry system and although the GPS data does not allow for a direct comparison of the husbandry systems and does not cover the entire 24 hours of a day, these data indicate along with the behavioural observations that the PT system stimulates the horses to increase their locomotory behaviour. Keywords horse, husbandry, paddock trail, locomotion, behaviour |
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| Corporate Author | König von Borstel, U. | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | ; Krueger, K. |
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 978-3-95625-000-2 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Id - | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5898 | ||
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| Author | Pick, D. Kendra, B.; Steciuch, C. | ||||
| Title | The Familiarity Heuristic in the Horse (Equus caballus) | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 3. International Equine Science Meeting | Abbreviated Journal | Proc. 3. Int. Equine. Sci. Mtg |
| Volume | Issue | Pages |
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| Keywords | color perception, learning theory, prospect theory | ||||
| Abstract | This study replicated an unreported finding observed in a color perception experiment (Pick, Lovell, Brown, & Dail, 1994) where, after using the method of successive approximations to train a blue-gray discrimination, red-gray trials were initiated without further training. Although a gray choice had never been reinforced, the subject chose gray on the first 20 trials (p < .000001). In the study reported here, a horse was trained to approach a red feed bucket and not a green feed bucket. After the subject mastered the discrimination, a blue bucket was substituted for the previously reinforced red bucket. With double-blind controls in place, the subject chose the unreinforced green bucket on 15 out of the first 20 blue-green trials yielding a binomial p = 0.0148 that this outcome could be due to chance alone. These results are contrary to all behavioristic psychological learning theories, but consistent with prospect theory (Kahneman & Tversky, 1979). Prospect theory predicts that given a choice between two previously unreinforced stimuli, one familiar and the other novel, humans will choose the familiar. It is argued that the bias toward the familiar is the basis to a heuristic that has a genetic origin and should exist in other animals on the phylogenetic scale. The results of this study indicate that the heuristic is available at least as far down the scale as the horse. Conceptual replications using shape stimuli and sound stimuli are in progress. | ||||
| Address | |||||
| Corporate Author | Pick, D. | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | ; Krueger, K. |
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 978-3-95625-000-2 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Id - | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5899 | ||
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| Author | Goossens, A.; Schwartz, C.; Barret, B.; Jacquot, M.; Van-Erck-Westergren, E.; Tomberg, C. | ||||
| Title | Characterisation of the splenius muscle’s activity (Splenius cervicis) during a walk phase at the warm up onset of ridden horses (Equus caballus) | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 3. International Equine Science Meeting | Abbreviated Journal | Proc. 3. Int. Equine. Sci. Mtg |
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| Corporate Author | Tomberg, C. | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | ; Krueger, K. |
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 978-3-95625-000-2 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Id - | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5900 | ||
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| Author | Viksten, S.; Blokhuis, H.; Visser, K.; Nyman, S | ||||
| Title | Equine welfare assessment and feedback to owners | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 3. International Equine Science Meeting | Abbreviated Journal | Proc. 3. Int. Equine. Sci. Mtg |
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| Abstract | To assess horse welfare and develop a system for feedback to horse owners is the aim of the present study. A protocol developed in line with the Welfare Quality® project was used to assess 26 stables and 497 horses. Questionnaires were used to investigate what kind of feedback horse owners wanted and where they currently got their questions about horse welfare answered. The questionnaire was sent to participating stables and made available to the public via websites and social media. Questionnaires revealed that 38% retrieved information from popular science articles, 77% from discussions with peers while 8% generally perceived their peers to lack knowledge on horse welfare. Factors affecting decision making were horse health (85%) and economy (38%). 85% wanted exhaustive information and advice on improvements, 69% preferred to get feedback as a digital document and 92% were interested in benchmarking. Answers from participating stables lead to the development of a feedback consisting of results, scientific background of used measures, copies of assessment protocols for each horse, supportive telephone calls regarding decision making and benchmarking from all participating stables. Questionnaires to the public had 688 respondents of which 54% were amateur riders/drivers. Main questions respondents had regarding horse welfare were within feeding regimes (62%), housing (57%) and field size (54%). Main motivational factors in decision making was horse health (83%) and behavioural problems (71%). 81% got information about horse welfare and support for changes from discussions with peers and 63% based decisions on their own personal opinion. 91% were interested in benchmarking scores to compare themselves with other stables. The results highlight the need for independent assessment and feedback with a scientific base to horse owners. This will enable horse owners to make informed decisions with a scientific background that will result in increased horse welfare. Lay persons message A developed protocol was used to assess horse welfare and horse owners were questioned regarding how they wanted the results presented. This resulted in the development of a feedback system that will aid horse owners to make informed decisions about horse welfare. |
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| Corporate Author | Viksten, S. | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | ; Krueger, K. |
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 978-3-95625-000-2 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Id - | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5901 | ||
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| Author | Maros, K.; Kovács, R.; Nagy, K. | ||||
| Title | Questionnaire survey personality assessment of horses of different use | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 3. International Equine Science Meeting | Abbreviated Journal | Proc. 3. Int. Equine. Sci. Mtg |
| Volume | Issue | Pages |
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| Keywords | horse, personality, questionnaire, | ||||
| Abstract | We collected data from 248 horses of different breeds, age, sex and use, forming four groups: 74 trotters, 70 gallop horses, 60 horseback archery horses and 44 police horses. All horses were trained and ridden/driven in a regular base. Caretakers or owners who were familiar with the target animals were asked to assess their horses’ temperament. The temperament scores were obtained with the 7-point scale questionnaire according to the Horse Personality Questionnaire which has 25 items and has previously been shown to be reliable for the assessment of personality in horses. It measures six personality components in horses: Dominance, Anxiousness, Excitability, Protection, Sociability and Inquisitiveness. Component scores were calculated according to Lloyd, A.S., Martin, J.E., Bornett-Gauci, H.L.I., Wilkinson, R.G. (2008) Horse personality: Variation between breeds. Applied Animal Behaviour Science 112. 369–383. The component scores were compared across the four examined groups using the Kruskal–Wallis test. Post hoc multiple comparisons tests were then carried out to explore specific breed differences on each component. The value of alpha was set at 0.05 for all statistical tests. Groups differed significantly regarding Anxiousness and Excitability, but no significant differences were found regarding Dominance, Protection, Sociability or Inquisitiveness among groups. This finding is in line with the findings of Lloyd et al. (2008) who showed that Anxiousness and Excitability components have the highest level of variation between breeds.In our study, gallop horses had the highest rank regarding Excitability and they differed significantly from police horses which had the lowest rank for this personality component. Interestingly gallop horses had the lowest rank regarding Anxiousness, and trotters got the highest rank in in this component. According to our results gallop horses are the most extreme in their personality. It is conceivable that being excitable is a more favourable trait for a race horse than for a working police horse. However, it is interesting that trotters are more anxious than gallop horses since they also have a high thoroughbred ancestry. The effect of work and training on these horses needs further surveys. |
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| Corporate Author | Maros, K. | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | Krueger, K. |
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | 978-3-95625-000-2 | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5904 | ||
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| Author | Keeling, L.J.; Bøe, K.E.; Christensen, J.W.; Hyyppä, S.; Jansson, H.; Jørgensen, G.H.M.; Ladewig, J.; Mejdell, C.M.; Särkijärvi, S.; Søndergaard, E.; Hartmann, E. | ||||
| Title | Injury incidence, reactivity and ease of handling of horses kept in groups: a matched case control study in four Nordic countries | Type | Journal Article | ||
| Year | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl Anim Behav Sci | |
| Volume | Issue | Pages |
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| Keywords | horse; behaviour; reactivity; injury; welfare; management | ||||
| Abstract | Abstract There is increasing interest in keeping horses in groups, but progress is hampered by a lack of knowledge about which horses can and should be kept together. Therefore, our objective was to investigate the effect of group composition on the occurrence of injuries among horses, the ease of removing horses from groups and horses’ reactivity to a fearful stimulus. Using a matched case control design, 61 groups of horses were studied in Denmark, Norway, Finland and Sweden. They were allocated into groups of similar or different age and sex or where membership changed regularly or remained stable. Injuries were recorded before mixing the horses into treatment groups, the day after mixing and four weeks later. Reactivity of horses to a moving novel object and the behaviour of a horse being removed from its group and the reactions of other group members towards this horse and the handler were evaluated. It was hypothesized that a more socially variable group composition has beneficial effects on behaviour, ease of handling and reducing reactivity whereas frequent changes in group composition has negative consequences, resulting in more injuries. We found that differences in treatment effects were mainly related to breed, rather than group composition. Icelandic horses reacted less to the movement of the novel object (P = 0.007) and approached it more afterwards (P = 0.04). They also had fewer new injuries than warmbloods following mixing (P < 0.001) and fewer than all other groups 4 weeks later (P < 0.01). Most new injuries after mixing were minor and recorded on the horse’s head, chest, hind legs and rump. In conclusion, variations in sex and age composition of the group had little effect on injury level, reactivity and ease of handling compared to the general effect of breed. Concerns about the risk of severe injuries associated with keeping horses in groups are probably overestimated. Thus, we propose that horses can be successfully kept in groups of different sex and age composition. | ||||
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| ISSN | 0168-1591 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6020 | ||
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| Author | Hartmann, E.; Christensen, J.W.; McGreevy, P.D. | ||||
| Title | Dominance and leadership: Useful concepts in human-horse interactions? | Type | Journal Article | ||
| Year | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | Journal of Equine Veterinary Science | |
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| Abstract | Dominance hierarchies in horses primarily influence priority access to limited resources of any kind, resulting in predictable contest outcomes that potentially minimize aggressive encounters and associated risk of injury. Levels of aggression in group-kept horses under domestic conditions have been reported to be higher than in their feral counterparts but can often be attributed to sub-optimal management. Horse owners often express concerns about the risk of injuries occurring in group-kept horses but these concerns have not been substantiated by empirical investigations. What has not yet been sufficiently addressed are human safety aspects related to approaching and handling group-kept horses. Given horses? natural tendency to synchronize activity to promote group cohesion, questions remain about how group dynamics influence human-horse interactions. Group dynamics influence a variety of management scenarios, ranging from taking a horse out of its social group to the prospect of humans mimicking the horse?s social system by taking a putative leadership role and seeking after an alpha position in the dominance hierarchy to achieve compliance. Yet, there is considerable debate about whether the roles horses attain in their social group are of any relevance in their reactions to humans. This article reviews the empirical data on social dynamics in horses, focusing on dominance and leadership theories and the merits of incorporating those concepts into the human-horse context. This will provide a constructive framework for informed debate and valuable guidance for owners managing group-kept horses and for optimizing human-horse interactions. | ||||
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| Publisher | Elsevier | Place of Publication | Editor | ||
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| ISSN | 0737-0806 | ISBN | Medium | ||
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| Notes | doi: 10.1016/j.jevs.2017.01.015 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 6048 | ||
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| Author | Rocha, A.D. de L.; Menescal-de-Oliveira, L.; da Silva, L.F.S. | ||||
| Title | Effects of human contact and intra-specific social learning on tonic immobility in guinea pigs, Cavia porcellus | Type | Journal Article | ||
| Year | 2017 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
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| Keywords | Cohabitation; Fear; Motor response; Defensive behaviour; Predator-prey | ||||
| Abstract | Abstract Social learning is the capacity of animals to acquire adaptive information from others. In the case of fear responses, animals can learn fearful or non-fearful responses by observing the behavior of conspecifics. Tonic immobility (TI) is an anti-predatory behavior elicited during intense fear situations. Studies have revealed that regular contact with humans can reduce TI responses in animals. In our study, we evaluated the effect of human contact on the TI responses in guinea pigs. We also evaluated the effect of cohabitation (non-fearful animals with fearful animals) on their TI responses. To achieve this, we measured the TI responses induced by postural inversion and restraint in guinea pigs as a result of different treatments. In our first experiment, we determined the effect of human contact on TI responses by establishing 3 treatment groups: no contact, handled, and habituated. In our second experiment, we addressed the effect of social learning on TI response by testing TI response in habituated, and unhabituated animals that had cohabitated for 10 days. In the first experiment, 10 days of either handling or habituation did not prevent TI in guinea pigs, but habituation did increase latency [F(2,119) = 14.19; p < 0.0001] and handling or habituation decrease duration [F(2,119) = 15.01; p < 0.0001] of the TI behavior in the guinea pigs. In the second experiment, the cohabitation of unhabituated and habituated animals reduced TI duration [F(2,93) = 5.058; p < 0.008]. These data suggest that both forms of human interaction can reduce experimenter fear in guinea pigs. It therefore seems that unhabituated guinea pigs learn not to fear the experimenter by cohabitating with habituated guinea pigs. | ||||
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| ISSN | 0168-1591 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6133 | ||
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