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| Author | Christensen, J.W.; Ahrendt, L.P.; Lintrup, R.; Gaillard, C.; Palme, R.; Malmkvist, J. | ||||
| Title | Does learning performance in horses relate to fearfulness, baseline stress hormone, and social rank? | Type  |
Abstract | ||
| Year | 2012 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | App Anim Behav Sci |
| Volume | 140 | Issue | 1 | Pages | 44-52 |
| Keywords | Horse; Learning; Fearfulness; Stress; Reinforcement; Social rank | ||||
| Abstract | The ability of horses to learn and remember new tasks is fundamentally important for their use by humans. Fearfulness may, however, interfere with learning, because stimuli in the environment can overshadow signals from the rider or handler. In addition, prolonged high levels of stress hormones can affect neurons within the hippocampus; a brain region central to learning and memory. In a series of experiments, we aimed to investigate the link between performance in two learning tests, the baseline level of stress hormones, measured as faecal cortisol metabolites (FCM), fearfulness, and social rank. Twenty-five geldings (2 or 3 years old) pastured in one group were included in the study. The learning tests were performed by professional trainers and included a number of predefined stages during which the horses were gradually trained to perform exercises, using either negative (NR) or positive reinforcement (PR). Each of the learning tests lasted 3 days; 7min/horse/day. The NR test was repeated in a novel environment. Performance, measured as final stage in the training programme, and heart rate (HR) were recorded. Faeces were collected on four separate days where the horses had been undisturbed at pasture for 48h. Social rank was determined through observations of social interactions during feeding. The fear test was a novel object test during which behaviour and HR were recorded. Performance in the NR and PR learning tests did not correlate. In the NR test, there was a significant, negative correlation between performance and HR in the novel environment (rS=-0.66, P<0.001, i.e. nervous horses had reduced performance), whereas there was no such correlation in the home environment (both NR and PR). Behavioural reactions in the fear test correlated significantly with performance in the NR test in the novel environment (e.g. object alertness and final stage: rS=-0.43, P=0.04), suggesting that performance under unfamiliar, stressful conditions may be predicted by behavioural responses in a fear test. There was a negative correlation between social rank and baseline stress hormones (rS=-0.43, P=0.04), i.e. high rank corresponded to low FCM concentrations, whereas neither rank nor FCM correlated with fearfulness or learning performance. We conclude that performance under stressful conditions is affected by activation of the sympathetic nervous system during training and related to behavioural responses in a standardised fear test. Learning performance in the home environment, however, appears unrelated to fearfulness, social rank and baseline FCM levels. | ||||
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| ISSN | 0168-1591 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ S0168-1591(12)00168-2 | Serial | 5769 | ||
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| Author | Ahrendt, L.P.; Christensen, J.W.; Ladewig, J. | ||||
| Title | The ability of horses to learn an instrumental task through social observation | Type |
Abstract | ||
| Year | 2012 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 139 | Issue | 1 | Pages | 105-113 |
| Keywords | Horse; Social learning; Social interaction; Instrumental task; Investigative behaviour; Aggression | ||||
| Abstract | The ability of horses to learn through social observation may ease the implementation of new management systems, because the use of automatic feeders etc. by naive horses could be facilitated by observation of experienced horses. However, previous studies found no documentation for observational learning abilities in horses. This study aimed to investigate the ability of horses to learn an instrumental task from a familiar conspecific when social interaction was allowed during the demonstration. Two similar experiments were performed. In the first experiment, Observer horses (n=11) participated in ten successive demonstrations, where a trained Demonstrator opened an operant device by pushing a sliding lid aside with the muzzle in order to obtain a food reward. Immediately after the demonstrations the Observer horses were given the opportunity to operate the device alone. Control horses (n=11) were aware that the device contained food but were presented to the operant device without demonstration of the task. The learning criterion was at least two openings. Accomplishment of and latency to accomplish the learning criterion, and investigative behaviour towards the operant device were recorded. Five Observers and one Control, out of the eleven horses in each treatment group, accomplished the learning criterion. Even though this presents a high odds ratio (OR) in favour of the Observer treatment (OR=7.6), there was no significant difference between the treatment groups (P=0.15). Analysis of investigative behaviour showed, however, that the demonstrations increased the motivation of the Observer horses to investigate the device. Subsequently, a similar experiment was performed in a practical setting with 44 test horses (mixed age, gender and breed). We used the same operant device and the same number and type of demonstrations, although the horses were held on a loose rope to minimise aggression. In this second experiment, six of 23 Observer horses and five of 21 Control horses learned the instrumental task, representing no influence of the demonstration. Thus, this study did not demonstrate an ability of horses to learn an instrumental task through observation. | ||||
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| ISSN | 0168-1591 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ S0168-1591(12)00087-1 | Serial | 5773 | ||
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| Author | Van Horik, J.; Clayton, N.; Emery, N. | ||||
| Title | Convergent evolution of cognition in Corvids, Apes and other animals | Type |
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| Year | 2012 | Publication | Oxford Handbook of Comparative Evolutionary Psychology | Abbreviated Journal | |
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| Publisher | Oxford University Press | Place of Publication | New York | Editor | Vonk, J.; Shackelford, T. |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ Van Horik2012 | Serial | 6284 | ||
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| Author | Krueger, K. (ed) | ||||
| Title | Proceedings of the 2. International Equine Science Meeting | Type |
Book Whole | ||
| Year | 2012 | Publication | IESM 2012 | Abbreviated Journal | |
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| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | Krueger, K. |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6008 | ||
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| Author | McGreevy, P. | ||||
| Title | Equine Behavior A Guide for Veterinarians and Equine Scientists | Type |
Book Whole | ||
| Year | 2012 | Publication | Abbreviated Journal | ||
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| Abstract | Chapter 1 – Introduction, Pages 1-36 Chapter 2 – Perception, Pages 37-54 Chapter 3 – Behavior and the brain, Pages 55-84, Caroline Hahn Chapter 4 – Learning, Pages 85-118 Chapter 5 – Social behavior, Pages 119-150 Chapter 6 – Communication, Pages 151-163 Chapter 7 – Locomotory behavior, Pages 165-187 Chapter 8 – Ingestive behavior, Pages 189-215 Chapter 9 – Eliminative behavior, Pages 217-221 Chapter 10 – Body care, Pages 223-243 Chapter 11 – Behavior of the stallion, Pages 245-264 Chapter 12 – Behavior of the mare, Pages 265-290 Chapter 13 – Training, Pages 291-311, Andrew McLean, Paul McGreevy Chapter 14 – Handling and transport, Pages 313-329 Chapter 15 – Miscellaneous unwelcome behaviors, their causes and resolution, Pages 331-345 Further reading, Page 347 Glossary, Pages 351-356 Index, Pages 357-369 |
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| ISSN | ISBN | 978-0-7020-2634-8 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6154 | ||
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| Author | Selby, A.; Smith-Osborne, A. | ||||
| Title | A Systematic Review of Effectiveness of Complementary and Adjunct Therapies and Interventions Involving Equines | Type |
Book Whole | ||
| Year | 2012 | Publication | Health psychology : official journal of the Division of Health Psychology, American Psychological Association | Abbreviated Journal | |
| Volume | 32 | Issue | Pages | ||
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| Abstract | Objective: This systematic review examines the empirical literature in an emerging body of evidence for the effectiveness of biopsychosocial interventions involving equines across populations with chronic illness or health challenges. Method: Selected quantitative studies published in peer-reviewed journals were reviewed for inclusion; the gray literature and white papers were also explored. Population, Intervention, Comparison, and Outcome (PICO) criteria and Grades of Recommendation, Assessment, Development, and Evaluation (GRADE) were applied to all studies. Fourteen full reports meeting a priori inclusion criteria were extracted from 103 studies accessed through 16 electronic databases and a hand search. Data were synthesized in relation to three research questions informing evidence-based practice. Results: No randomized clinical trials were located. Two studies provided a moderate level of evidence for effectiveness. Nine studies demonstrated statistically significant positive effects. Three studies did not find significant psychosocial effects for the target group, although one found significant positive effects for the comparison group. Conclusion: In the aggregate, the evidence is promising in support of the effectiveness of complementary and adjunct interventions employing equines in the treatment of health challenges. Future studies are needed that utilize rigorous and creative designs, especially longitudinal studies and comparisons with established effective treatments. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6186 | ||
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| Author | Klingel, H . | ||||
| Title | Social Organisation and Social Behaviour of the Equids | Type |
Conference Article | ||
| Year | 2012 | Publication | Proceedings of the 2. International Equine Science Meeting | Abbreviated Journal | Proc. 2. Int. Equine. Sci. Mtg |
| Volume | in press | Issue | Pages | ||
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| Abstract | In contrast to the great similarity in behaviour and ecology of the 6 extant Equid species, 2 distinct types of social organisation have evolved, and both are adapted to life in semi-arid to arid regions where environmental conditions force them to migrate seasonally or opportunistically. The ranges of the various species overlap: Mountain Zebra Equus zebra and Plains Zebra E. quagga in South Africa and Namibia, Plains Zebra and Grevy's Zebra E. grevyi in Kenya and Ethiopia, Grevy's Zebra and African Wild Ass E. africanus in Ethiopia, Asiatic Wild Ass E. hemionus and Przewalski Horse E. przewalski in Mongolia and China. Although, in the overlap zones, individuals of the different species are using the same resources like water and grazing next to each other, they rarely make closer contacts. . In the type 1 species, Horse, Plains Zebra and Mountain Zebra, the adults live in non-territorial, stable, one-male families and as single bachelors and in bachelor groups. Family stallions have the exclusive mating rights with the mares in their harems. These consist of up to 6 unrelated mares plus their offspring, totalling up to 20 members. Mares stay in their harem until death. Stallions' tenure is from age 5-6 years, i.e. when they succeed in controlling a harem, for close to life time, but are replaced when dead or incapacitated. Harems are stable even in the absence of a stallion, indicating voluntary membership. Adolescent mares leave their parental families to become members of another harem. In Plains Zebra the adolescent mares are abducted, during an oestrus, by suitors who fight the defending family stallion/father. Successful stallions are bachelors who start a family, or family stallions enlarging their harem. Young stallions leave their parental families voluntarily at age 2-3 years and join bachelor stallion groups from where the family stallions are recruited. An individualised dominance hierarchy excists with the stallion in the alpha position. It is based on individual knowledge and recognition of the members. In the type 2 species Grevy's Zebra, African Wild Ass and Asiatic Wild Ass adult stallions monopolise territories in which they have the exclusive mating rights. Stallions are tolerant of any conspecifics entering their territory. Bachelor stallions behave subordinately – or fight for the possession of the territory which is a prerequisite for reproduction. Mares join up to form anonymous and unstable groups or herds. The only stable unit is of a mare and her offspring. In Grevy's Zebra mares with foal join preferentially conspecifics of the same soial status, as do mares without foal. Matings take place inside the territory. There is no lasting relationship of the mare with a particular stallion, and the mare may be mated by any stallion whose territory she is visiting. Territories measure up to 10 or more square kilometres, and tenure is for several years. Grevy Zebra territorial owners leave their territories for a few hours to visit a water hole, or for months when grazing and water conditions are below requirements, and re-occupy it upon return, unchallenged. |
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| Corporate Author | Klingel, H . | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | Krueger, K. |
| Language | Summary Language | Original Title | |||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 978-3-9808134-26 | ISBN | Medium | ||
| Area | Expedition | Conference | IESM 2012 | ||
| Notes | Invited speaker IESM 2012 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5436 | ||
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| Author | Klingel, H . | ||||
| Title | Soziale Organisation und Sozialverhalten der Equiden | Type |
Conference Article | ||
| Year | 2012 | Publication | Proceedings of the 2. International Equine Science Meeting | Abbreviated Journal | Proc. 2. Int. Equine. Sci. Mtg |
| Volume | in press | Issue | Pages | ||
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| Abstract | Verhalten und Ökologie der 6 rezenten Equiden sind in vieler Hinsicht identisch, jedoch in der Sozialen Organisation haben 2 deutliche verschiedene Formen evoluiert, die beide an das Leben in den semi-ariden und ariden Lebensräumen angepasst sind, wo sie zu säsonalen oder opportunistischen Wanderungen gezwungen sind. Die Verbreitungsgebiete der verschiedenen Arten überlappen, in Südafrika und Namibia von Bergzebra Equus zebra und Steppenzebra E. quagga, in Kenya und Äthiopien von Steppenzebra und Grevy-Zebra E. grevyi, in Äthipien und Somalia von Grevy-Zebra und Afrikanischem Wildesel E. africanus, in China und der Mongolei Asiatischer Wildesel E. hemionus und Przewalski-Pferd E. przewalskii. Obwohl die Vertreter der verschiedenen Arten in den Überschneidungsgebieten die gleichen Ressourcen wie Wasser und Weide nutzen, nehmen sie kaum Kontakt zueinander auf. Die Vertreter von Typ 1, Steppenzebra Equus quagga, Bergzebra E..zebra, Pferd E przewalskii, leben in nicht-territorialen , dauerhaften 1- Hengst- Familien, in Hengstgruppen und als Einzelgänger.. Die Familienhengste haben die alleinigen Paarungsrechte mit den Stuten in ihrem Harem. Dieser besteht aus bis zu ca. 6 nicht-verwandten Stuten nebst ihren Nachkommen und kann bis 20 Mitglieder haben. Stuten bleiben bis zu ihrem Tod im Harem..Hengste können mit 5-6 Jahren einen Harem erobern oder gründen, können gleichfalls bis zum Tod die Familie begleiten, werden aber meist vorher von einem anderen Hengst ersetzt. Harems sind auch ohne Hengst stabil, ein Hinweis, dass die Stuten freiwilling im Harem sind und bleiben.. Junge Stuten verlassen ihre elterliche Familie und schliessen sich einem anderen Harem an..Beim Steppenzebra werden die Jungstuten während eines Östrus (Rosse) von Bewerbern entführt, gegen den Widerstand des Familenhengstes = Vaters. Bewerber sind Junggesellen, die so eine Familie gründen, und Familienhengste, die so ihren Harem vergrössern. Junghengste verlassen mit 2-3Jahren ihre elterliche Familie und schliessen sich Jungesellengruppen an, aus denen sich die Familenhengste rekrutieren. In der Gruppe besteht eine Rangordnung mit dem Henst in der alpha-Position. Sie beruht aud individuellem Kennen und Erkennen der Mitglieder. Bei Typ 2, Grevy-Zebra, Afrikanischer und Asiatischer Wildesel, monopolisieren Hengste über Jahre Territorien von 10 und mehr km2 , in denen sie die alleinigen Paarungsrechte haben. Territoriale Hengste tolerieren Artgenossen, auch erwachsene Hengste, soweit diese sich unterlegen verhalten. Oder sie stellen sich zum Kampf um den Besitz des Territoriums, eine Vorbedingung für die Fortpflanzung. Stuten im Östrus können von mehreren Hengsten begattet werden, wenn sie sich in deren Territorien aufhalten bzw diese durchwandern. Stuten und Fohlen und nicht-territoriale Hengste schliessen sich zu anonymen instabilen Gruppen oder Herden zusammen. Feste dauerhafte Bindungen bestehen nur zwischen Stute und Fohlen. Hengste verlassen ihr Territorium für Stunden, Tage, im Extrem auch Monate, um zu Wasserstellen oder Weidegründen zu ziehen, sind aber bei Rückkehr wieder unangefochtene Besitzer. |
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| Corporate Author | Klingel, H . | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | Krueger, K. |
| Language | Deutscht | Summary Language | Original Title | ||
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| ISSN | ISBN | 978-3-9808134-26 | Medium | ||
| Area | Expedition | Conference | IESM 2012 | ||
| Notes | Public Day | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5437 | ||
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| Author | Ahmadinejad, M., Tavakoli, S. | ||||
| Title | Common injuries in athletic horses in Tehran‘s riding clubs | Type |
Conference Article | ||
| Year | 2012 | Publication | Proceedings of the 2. International Equine Science Meeting | Abbreviated Journal | Proc. 2. Int. Equine. Sci. Mtg |
| Volume | in press | Issue | Pages | ||
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| Abstract | Various forms of intensive sport activities places stresses on the musculoskeletal system of the horse while involve in any forms of the activity (race &/or training). The musculoskeletal system of the horse has an inherent ability to adapt to the demands of high speed exercise, though if a threshold in adaptive capacity is exceeded, then some forms of damages to the structures of the musculoskeletal system may result. In case, if the insult (race &/or training) continued, it may worsen the repair and adaptation process and put the horse at risk of more serious musculoskeletal injury. The result of this research describe the finding of the study performed in different breeds of horses involved in various types of activity in Tehran’s riding clubs, concentrating on the types of injuries observed in those horses. The study was then focused on the types of injuries observed in various activities (events) horses involved in. Totally 400 horses took part in various activities during race season (March – September) in Tehran’s riding clubs, out of which 26 horses injured, in most of which musculoskeletal system of the fore limbs were involved. From the sexual aspect of the study the percentages of the stallions were more (54%) when compared to the mares (46%). In this study the relation between the sex, breed, age and the weight of the horses with anatomical site of the injury, outcome of the injury, climate and the type of the event (jumping, polo etc.) were studied and compare with each other. Bibliography: Hill AE, Stover SM, Gardner IA, Kane AJ, Whitcomb MB, Emerson AG, 2001. Risk factors for and outcomes non catastrophic suspensory apparatus injury in Thoroughbred race horse. J.A.V.M.A. 218, 1136-44 Johnson BJ 1993. A look at race horse breakdowns. J.Eq.Vet.Scie. 13, 129-32 Morse SJ. 1999. A longitudinal study of racing thoroughbreds; performance during the first year of racing. Aust.Vet.J. 77, 105-12 Peloso JG, Mundy GD, Cohen ND. 1994. Prevalence of, and factors associated with, musculoskeletal racing injuries of thoroughbreds. J.A.V.M.A. 204, 620-6 |
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| Corporate Author | Ahmadinejad, M. | Thesis | |||
| Publisher | Place of Publication | Editor | Krueger, K. | ||
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| Area | Expedition | Conference | IESM 2012 | ||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5495 | ||
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| Author | Bahman, M. | ||||
| Title | The prevalence of parascaris equorum in Tehran's riding clubs | Type |
Conference Article | ||
| Year | 2012 | Publication | Proceedings of the 2. International Equine Science Meeting | Abbreviated Journal | Proc. 2. Int. Equine. Sci. Mtg |
| Volume | in press | Issue | Pages | ||
| Keywords | Parascaris; coproscopic examination; parasitology; deworming; endoparasites | ||||
| Abstract | Parascaris equorum (ascarid; roundworm) is a common nematode parasite which occurs in the small intestine of immature horses world-wide. Adult female ascarids lay eggs in the small intestine, and these eggs pass into the environment within the feces of the host. P. equorum is one of the rare nematodes which induce absolute acquired immunity. Most horses become immune during the first year of life, so patent ascarid infections are rarely diagnosed in horses over two years of age. The aim of this study was to determine the prevalence of infection with parascaris equorum in Tehran’s riding clubs. The prevalence and rate of infection was determined based on the coproscopic examination. Fecal samples were tested for the presence of parascaris using suspend method. In this investigation, 442 fecal samples of horses from North-East of Tehran’s riding clubs examined. From the viewpoint of parascaris roundworms, fecal samples were obtained from each box separately and send in containers with plastic lid. The samples were then transferred to the parasitology lab for further examination. The infection was recognized based on the observation of parascaris eggs in coproscopic examination. The infection rate in the foal in this study was zero percent. Another interesting result was increasing the infection rate in horses of 10 years or even older and gelding. Out of 442 samples, the infection rate in the samples taken in summer, was 3.16%, and in the fall, winter and spring it was 2.4%, 10% and 3.16% respectively. The infection rates in relation to the age, sex, excursion condition, seasons and deworming programs was studied too. The results showed that the local and the imported horses should be monitored parasitologically, because endoparasites may create a major epizootiolocall problem when these animals are kept in an organic raising system. Deworming program is to be continued with proper methodology, dose and throughout the productive age of the horses. | ||||
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| Corporate Author | Bahman, M. | Thesis | |||
| Publisher | Xenophon Publishing | Place of Publication | Wald | Editor | Krueger, K. |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5498 | ||
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