Records |
Author |
Hartmann, E.; Christensen, J.W.; McGreevy, P.D. |
Title |
Dominance and Leadership: Useful Concepts in Human-Horse Interactions? |
Type |
Journal Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2017 |
Publication |
Journal of Equine Veterinary Science |
Abbreviated Journal |
Proceedings of the 2017 Equine Science Symposium |
Volume |
52 |
Issue |
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Pages |
1-9 |
Keywords |
Horse; Social order; Dominance hierarchy; Aggression; Injury; Learning; Training |
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 suboptimal 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 horse's 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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0737-0806 |
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Equine Behaviour @ team @ |
Serial |
6712 |
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Author |
Hoelker, S. |
Title |
Typologie der deutschen Pferdehaltung – Eine empirische Studie mittels Two-Step-Clusteranalyse |
Type |
Journal Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2016 |
Publication |
Berichte über Landwirtschaft Zeitschrift für Agrarpolitik und Landwirtschaft |
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Volume |
94 |
Issue |
3 |
Pages |
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Publisher |
BMEL |
Place of Publication |
Bonn |
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no |
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Equine Behaviour @ team @ |
Serial |
6643 |
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Author |
Marinsek, N.L.; Gazzaniga, M.S.; Miller, M.B. |
Title |
Chapter 17 – Split-Brain, Split-Mind |
Type |
Book Chapter |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2016 |
Publication |
The Neurology of Conciousness (Second Edition) |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
271-279 |
Keywords |
Split-brain; consciousness; lateralization; modular; left hemisphere interpreter |
Abstract |
The corpus callosum anatomically and functionally connects the two cerebral hemispheres. Despite its important role in interhemispheric communication however, severing the corpus callosum produces few--if any--noticeable cognitive or behavioral abnormalities. Incredibly, split-brain patients do not report any drastic changes in their conscious experience even though nearly all interhemispheric communication ceases after surgery. Extensive research has shown that both hemispheres remain conscious following disconnection and the conscious experience of each hemisphere is private and independent of the other. Additionally, the conscious experiences of the hemispheres appear to be qualitatively different, such that the consciousness of the left hemisphere is more enriched than the right. In this chapter, we offer explanations as to why split-brain patients feel unified despite possessing dual conscious experiences and discuss how the divided consciousness of split-brain patients can inform current theories of consciousness. |
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Academic Press |
Place of Publication |
San Diego |
Editor |
Laureys, S.; Gosseries, O.; Tononi, G. |
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978-0-12-800948-2 |
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no |
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Equine Behaviour @ team @ |
Serial |
6648 |
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Author |
Mejdell, C.M.; Buvik, T.; Jørgensen, G.H.M.; Bøe, K.E. |
Title |
Horses can learn to use symbols to communicate their preferences |
Type |
Journal Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2016 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
184 |
Issue |
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Pages |
66-73 |
Keywords |
Operant conditioning; Blanket; Rug; Thermoregulation; Cognition; Clicker training |
Abstract |
This paper describes a method in which horses learn to communicate by touching different neutral visual symbols, in order to tell the handler whether they want to have a blanket on or not. Horses were trained for 10-15min per day, following a training program comprising ten steps in a strategic order. Reward based operant conditioning was used to teach horses to approach and touch a board, and to understand the meaning of three different symbols. Heat and cold challenges were performed to help learning and to check level of understanding. At certain stages, a learning criterion of correct responses for 8-14 successive trials had to be achieved before proceeding. After introducing the free choice situation, on average at training day 11, the horse could choose between a “no change” symbol and the symbol for either “blanket on” or “blanket off” depending on whether the horse already wore a blanket or not. A cut off point for performance or non-performance was set to day 14, and 23/23 horses successfully learned the task within this limit. Horses of warm-blood type needed fewer training days to reach criterion than cold-bloods (P<0.05). Horses were then tested under differing weather conditions. Results show that choices made, i.e. the symbol touched, was not random but dependent on weather. Horses chose to stay without a blanket in nice weather, and they chose to have a blanket on when the weather was wet, windy and cold (χ2=36.67, P<0.005). This indicates that horses both had an understanding of the consequence of their choice on own thermal comfort, and that they successfully had learned to communicate their preference by using the symbols. The method represents a novel tool for studying preferences in horses. |
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0168-1591 |
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Equine Behaviour @ team @ |
Serial |
6651 |
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Author |
Capitani, C.; Chynoweth, M.; Kusak, J.; Çoban, E.; Sekercioglu, Ç.H. |
Title |
Wolf diet in an agricultural landscape of north-eastern Turkey |
Type |
Journal Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2016 |
Publication |
Mammalia |
Abbreviated Journal |
Mammalia |
Volume |
80 |
Issue |
3 |
Pages |
329-334 |
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Mammalia |
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Series Volume |
80 |
Series Issue |
3 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
6687 |
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Author |
Mori, E.; Benatti, L.; Lovari, S.; Ferretti, F. |
Title |
What does the wild boar mean to the wolf? |
Type |
Journal Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2016 |
Publication |
European Journal of Wildlife Research |
Abbreviated Journal |
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Volume |
63 |
Issue |
1 |
Pages |
9 |
Keywords |
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Abstract |
Generalist predators are expected to shape their diets according to the local availability of prey species. In turn, the extent of consumption of a prey would be influenced by the number of alternative prey species. We have tested this prediction by considering the wild boar and the grey wolf: two widespread species whose distribution ranges overlap largely in Southern Europe, e.g. in Italy. We have reviewed 16 studies from a total of 21 study areas, to assess whether the absolute frequency of occurrence of wild boar in the wolf diet was influenced by (i) occurrence of the other ungulate species in diet and (ii) the number of available ungulate species. Wild boar turned out to be the main prey of the wolf (49% occurrence, on average), followed by roe deer (24%) and livestock (18%). Occurrence of wild boar in the wolf diet decreased with increasing usage of roe deer, livestock, and to a lower extent, chamois and red deer. The number of prey species did not influence the occurrence of wild boar in the wolf diet. The wild boar is a gregarious, noisy and often locally abundant ungulate, thus easily detectable, to a predator. In turn, the extent of predation on this ungulate may not be influenced so much by the availability of other potential prey. Heavy artificial reductions of wild boar numbers, e.g. through numerical control, may concentrate predation by wolves on alternative prey (e.g. roe deer) and/or livestock, thus increasing conflicts with human activities. |
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1439-0574 |
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Equine Behaviour @ team @ Mori2016 |
Serial |
6689 |
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Author |
Gleerup, K.B.; Lindegaard, C. |
Title |
Recognition and quantification of pain in horses: A tutorial review |
Type |
Journal Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2016 |
Publication |
Equine Veterinary Education |
Abbreviated Journal |
Equine Vet Educ |
Volume |
28 |
Issue |
1 |
Pages |
47-57 |
Keywords |
horse; pain evaluation; pain scale; pain behaviour; pain face |
Abstract |
Summary Pain management is dependent on the quality of the pain evaluation. Ideally, pain evaluation is objective, pain-specific and easily incorporated into a busy equine clinic. This paper reviews the existing knowledge base regarding the identification and quantification of pain in horses. Behavioural indicators of pain in horses in the context of normal equine behaviour, as well as various physiological parameters potentially useful for pain evaluation, are discussed. Areas where knowledge is sparse are identified and a new equine pain scale based on results from all reviewed papers is proposed. Finally, the most important considerations in relation to the implementation of a pain scale in a hospital setting are discussed. |
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American Medical Association (AMA) |
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0957-7734 |
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https://doi.org/10.1111/eve.12383 |
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Equine Behaviour @ team @ |
Serial |
6705 |
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Author |
Stachurska, A.; Janczarek, I.; Wilk, I.; Kedzierski, W. |
Title |
Does Music Influence Emotional State in Race Horses? |
Type |
Journal Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2015 |
Publication |
Journal of Equine Veterinary Science |
Abbreviated Journal |
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Volume |
35 |
Issue |
8 |
Pages |
650-656 |
Keywords |
Cardiac activity; Emotional state; Music; Race horse |
Abstract |
The aim of the study was to determine the effect of music featured in the barn, on the emotional state of race horses. Seventy 3-year-old Purebred Arabian horses in their first race season were divided into experimental group (EXP) of 40 horses and control group (CNT) of 30 horses and placed in separate barns. The EXP was subject to specifically composed music featured in the barn for 5 hours in the afternoon during the whole study. The emotional state in the horses was assessed at rest, saddling, and warm-up walk under rider. Measurements were taken six times, every 30 to 35 days, starting from the beginning of featuring the music. The horse's emotional state was assessed by cardiac activity variables. The music effect on the emotional state was also considered with regard to the horse's performance estimated by race records. The cardiac activity variables were compared with repeated measures design, whereas race records were analyzed with analysis of variance generalized linear model. The music positively affected the emotional state in race horses. The influence was noticeable already after the first month of featuring the music and increased in the second and third months. Despite the fact that later the variables began to return to initial levels, a positive effect of the music on prizes won by the horses in the EXP compared to the CNT was found (P < .05). The results suggest that the music may be featured in the barn, preferably for 2 to 3 months as a means of improving the welfare of race horses. |
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0737-0806 |
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Equine Behaviour @ team @ |
Serial |
6632 |
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Author |
Ahrendt, L.P.; Labouriau, R.; Malmkvist, J.; Nicol, C.J.; Christensen, J.W. |
Title |
Development of a standard test to assess negative reinforcement learning in horses |
Type |
Journal Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2015 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
169 |
Issue |
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Pages |
38-42 |
Keywords |
Algometry; Horse behaviour; Learning performance; Operant conditioning; Pressure-release; Horse training |
Abstract |
Most horses are trained by negative reinforcement. Currently, however, no standardised test for evaluating horses' negative reinforcement learning ability is available. The aim of this study was to develop an objective test to investigate negative reinforcement learning in horses. Twenty-four Icelandic horses (3 years old) were included in this study. The horses were tested in a pressure-release task on three separate days with 10, 7 and 5 trials on each side, respectively. Each trial consisted of pressure being applied on the hindquarter with an algometer. The force of the pressure was increased until the horse moved laterally away from the point of pressure. There was a significant decrease in required force over trials on the first test day (P<0.001), but not the second and third day. The intercepts on days 2 and 3 differed significantly from day 1 (P<0.001), but not each other. Significantly stronger force was required on the right side compared to the left (P<0.001), but there was no difference between first and second side tested (P=0.56). Individual performance was evaluated by median-force and the change in force over trials on the first test day. These two measures may explain different characteristics of negative reinforcement learning. In conclusion, this study presents a novel, standardised test for evaluating negative reinforcement learning ability in horses. |
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0168-1591 |
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Equine Behaviour @ team @ |
Serial |
6650 |
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Author |
Grönemann, C. |
Title |
Konfliktfeld Pferd und Wolf – Eine Untersuchung zu Einstellungen, Erwartungen und Befürchtungen von Pferdehaltern und Reitsportlern in Niedersachsen |
Type |
Manuscript |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2015 |
Publication |
master thesis |
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Master's thesis |
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Universität Hildesheim |
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Hildesheim |
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Equine Behaviour @ team @ |
Serial |
6683 |
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