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Author |
Krueger, K |
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Title |
Die Relevanz von sozialem Lernen beim Pferd für Tierhaltung und Tierschutz. |
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2011 |
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DVG 12. Internationale Fachtagung zu Fragen von Verhaltenskunde, Tierhaltung und Tierschutz. |
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220-221 |
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Gießen |
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9783863450182 |
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Call Number |
Equine Behaviour @ team @ |
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5720 |
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Author |
Krueger, K.; Farmer, K.; Heinze, J. |
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Title |
The effects of age, rank and neophobia on social learning in horses |
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Journal Article |
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Year |
2014 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
17 |
Issue |
3 |
Pages |
645-655 |
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Keywords |
Horse; Social learning; Sociality; Ecology; Social relationships |
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Abstract |
Social learning is said to meet the demands of complex environments in which individuals compete over resources and co-operate to share resources. Horses (Equus caballus) were thought to lack social learning skills because they feed on homogenously distributed resources with few reasons for conflict. However, the horse’s social environment is complex, which raises the possibility that its capacity for social transfer of feeding behaviour has been underestimated. We conducted a social learning experiment using 30 socially kept horses of different ages. Five horses, one from each group, were chosen as demonstrators, and the remaining 25 horses were designated observers. Observers from each group were allowed to watch their group demonstrator opening a feeding apparatus. We found that young, low ranking, and more exploratory horses learned by observing older members of their own group, and the older the horse, the more slowly it appeared to learn. Social learning may be an adaptive specialisation to the social environment. Older animals may avoid the potential costs of acquiring complex and potentially disadvantageous feeding behaviours from younger group members. We argue that horses show social learning in the context of their social ecology, and that research procedures must take such contexts into account. Misconceptions about the horse’s sociality may have hampered earlier studies. |
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Springer Berlin Heidelberg |
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English |
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1435-9448 |
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Equine Behaviour @ team @ |
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5737 |
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Author |
Krueger, K.; Flauger, B.; Farmer, K.; Hemelrijk, C. |
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Title |
Movement initiation in groups of feral horses |
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Journal Article |
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Year |
2014 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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103 |
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91-101 |
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Keywords |
Horse; Equus ferus caballus; Distributed leadership; Herding; Departure; Rank |
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Abstract Herds of ungulates, flocks of birds, swarms of insects and schools of fish move in coordinated groups. Computer models show that only one or very few animals are needed to initiate and direct movement. To investigate initiation mechanisms further, we studied two ways in which movement can be initiated in feral horses: herding, and departure from the group. We examined traits affecting the likelihood of a horse initiating movement i.e. social rank, affiliative relationships, spatial position, and social network. We also investigated whether group members join a movement in dominance rank order. Our results show that whereas herding is exclusive to alpha males, any group member may initiate movement by departure. Social bonds, the number of animals interacted with, and the spatial position were not significantly associated with movement initiation. We did not find movement initiation by departure to be exclusive to any type of individual. Instead we find evidence for a limited form of distributed leadership, with higher ranking animals being followed more often. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5738 |
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Author |
Trögel, D.; Wolter, R.; Krueger, K. |
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Title |
Fallstudie zum Platzangebot, Verhalten und Wohlbefinden der Pferde (Equus caballus) in Mehrraum-Außenlaufställen mit Aus-lauf und Bewegungsställen [A case study to space, behavior and well-being of horses (Equus caballus) in open stables and open active stables]. |
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Year |
2014 |
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KTBL Schriften |
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Darmstadt |
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Equine Behaviour @ team @ |
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5958 |
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Author |
Benz, B.; Münzing, C.; Krueger, K.; Winter, D. |
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Title |
Ethologische Untersuchung von Heuraufen in der Pferdehaltung [Ethological investigation of hayracks in equine husbandry] |
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Journal Article |
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Year |
2014 |
Publication |
Landtechnik |
Abbreviated Journal |
Landtechnik |
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69 |
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5 |
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239-244 |
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Keywords |
Pferdehaltung, Fressverhalten, Futterraufen [horse keeping, feeding behaviour, roughage racks] |
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Abstract |
Eine tiergerechte, physiologisch und anatomisch auf die Bedürfnisse der Pferde ausgerichtete
Raufutterversorgung sollte die Kaubedürfnisse und die Beschäftigungszeiten von Pferden
ausreichend berücksichtigen. Daher – und auch aufgrund des bestehenden Kostendrucks bei
Raufutter – steigt das Interesse an Raufutterraufen, durch die möglicherweise die Futteraufnahmezeiten
verlängert sowie Futterverluste minimiert werden können.
Die vorliegende Untersuchung vergleicht das Fressverhalten und die Körperhaltung von acht
Pferden beim Einsatz von drei unterschiedlichen Futterraufen mit der Bodenfütterung in Einzelboxenhaltung.
Die Ergebnisse dieser Studie lassen den Schluss zu, dass der Einsatz von
Raufutterraufen die Futteraufnahmezeiten verlängert und somit längere Beschäftigungszeiten
für die Futteraufnahme gewährleistet werden. Außerdem konnte festgestellt werden, dass die
Pferde das Raufutter bei einer der drei untersuchten Raufen überwiegend mit natürlicher Kopf-
Hals-Haltung aufnahmen.
[Regarding the species horse, an appropriate supply of roughage should take into account the
need to chew as well as the need for occupation. In this context, and due to the current cost
pressure for hay, the interest in roughage racks increases. It is assumed that roughage racks
could help to extend the feeding time and reduce food losses.
The present study places the emphasis on the observation of the feeding behaviour of eight
horses in single horse boxes. Three different roughage racks are compared to traditional feeding
on the floor. On the basis of the results it may be concluded that the use of roughage racks
extends the feeding time and thus ensures longer occupation. In one of the three roughage
racks investigated the horses mainly eat in a natural posture of their head and neck.] |
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Equine Behaviour @ team @ |
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5840 |
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Author |
Wolter, R.; Pantel, N.; Stefanski, V.; Möstl, E.; Krueger, K. |
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Title |
The role of an alpha animal in changing environmental conditions |
Type |
Journal Article |
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Year |
2014 |
Publication |
Physiology & Behavior |
Abbreviated Journal |
Physiol. Behav. |
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133 |
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236-243 |
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Keywords |
Alpha male; Horse; Equus ferus przewalskii; Bachelor group; Group structure |
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Abstract |
Abstract The maintenance and development of conservation areas by grazing of large herbivores, such as Przewalski's horses, is common practice. Several nature conservation areas house male bachelor groups of this species. When males are needed for breeding they are removed from the groups, often without considering group compositions and individual social positions. However, alpha animals are needed for ensuring group stability and decision making in potentially dangerous situations in several species. To investigate the role of the alpha male in a bachelor group, we observed the behaviour of five Przewalski's horse males during the enlargement of their enclosure. We analyzed the group's social structure and movement orders, as well as the animals' connectedness, activity budgets, and whether they moved with preferred group members and how factors such as social rank influenced the horses' behaviour. We also investigated the excretion of glucocorticoid metabolites (GCM) via faeces of the horses while exploring a new area as a parameter of glucocorticoid production. Our results show that the alpha male is important for a bachelor group in changing environmental conditions. The alpha male had the highest level of connectedness within the group. When exploring the new environment, its position in the group changed from previously being the last to being the first. Furthermore the whole group behaviour changed when exploring the new area. The stallions showed reduced resting behavior, increased feeding and did not stay close to each other. We found that the excretion of glucocorticoid metabolites of most horses rose only marginally during the first days on the new area while only the alpha male showed a significant increased amount of glucocorticoid production during the first day of the enclosure enlargement. |
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0031-9384 |
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Equine Behaviour @ team @ |
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5818 |
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Author |
Krueger, K. |
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Title |
Perissodactyla Cognition |
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Book Chapter |
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2017 |
Publication |
Encyclopedia of Animal Cognition and Behavior |
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1-10 |
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Springer International Publishing |
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Cham |
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Vonk, J.; Shackelford, T. |
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978-3-319-47829-6 |
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Equine Behaviour @ team @ Krueger2017 |
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6187 |
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Author |
Krueger, K.; Hollenhorst, H.; Schuetz, A.; Weil, S. |
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Title |
Social learning and innovative learning in horses. |
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Conference Article |
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2015 |
Publication |
Proceedings of the 3. International Equine Science Meeting |
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3 |
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Xenophon Publishing |
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Wald |
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K. Krueger |
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978-3-95625-000-2 |
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Equine Behaviour @ team @ |
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5956 |
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Author |
Töpfer, D.; Wolter, R.; Krueger, K. |
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Fallstudie zum Platzangebot, Verhalten und Wohlbefinden der Pferde (Equus caballus) in Mehrraum-Außenlaufställen mit Aus-lauf und Bewegungsställen [A case study to space, behavior and well-being of horses (Equus caballus) in open stables and open active stables] |
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2014 |
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KTBL Schriften |
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Verhaltensbeobachtungen erfolgten an 112 Pferden in Mehrraum-Außenlaufställen mit Auslauf und Bewegungsställen. Bei vermehrtem Platzangebot sinkt das agonistische Verhalten in Bewegungsställen außerhalb des Fressbereiches. Mit zunehmender Stallgröße (überdachte Fläche und Auslauf) steigt in beiden Haltungsverfahren das affiliative Verhalten während das agonistische Verhalten mit Verletzungsrisiko sinkt. Daher wird für beide Haltungsverfahren ein möglichst großzügiger Stall je Pferd empfohlen. Die beobachteten Erkrankungen der letzten zwölf Monate zeigen vermehrt Hautkrankheiten in den Mehrraum-Außenlaufställen mit Auslauf, wohingegen Hufgeschwüre in Bewegungsställen auftraten. Wird der Fütterungsaspekt in den Bewegungsställen betrachtet, so ist die Transponderfütterung in Kombination mit ad libitum Fütterung aufgrund des deutlich geringeren, agonistischen Verhaltens beim Fressen, der reinen Transponderfütterung vorzuziehen. Mehrraum-Außenlaufställe mit Auslauf haben den Vorteil der synchronen Nahrungsaufnahme.
[The behaviour of 112 horses was observed in open stables and open active stables. Horses show less agonistic behaviour outside of the feeding area in open active stables as the space for each horse is augmented. Also the affiliative behaviour increases as a function of more space per horse while agonistic behaviour with a risk for injury decreases. These results are independent from the husbandry system. Due to this fact a stable with a larger area per horse is recommended. Diseases of the last twelve month were recorded and show skin diseases in open stables and abscesses in the hooves in open active stables. To consider the feeding in open active stables it was found that horses which were fed with hay controlled by transponders showed more agonistic behaviour in contrast to horses being fed using transponders but with access to hay ad libitum. Thus transponder feeding in combination with ad libitum feeding is recommended. Open stables have the advantage of synchronized feeding.] |
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KTBL |
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Darmstadt |
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KTBL Schriften |
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Equine Behaviour @ team @ |
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5862 |
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Author |
Krueger, K. (ed) |
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Proceedings of the 3. International Equine Science Meeting |
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2015 |
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IESM 2015 |
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Xenophon Publishing |
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Wald |
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Krueger, K. |
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Proc. 3. Int. Equine. Sci. Mtg |
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978-3-95625-000-2 |
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Equine Behaviour @ team @ |
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5906 |
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