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Krueger, K.. (2011). Soziales Lernen der Pferde. In Göttinger Pferdetage '11: Zucht, Haltung und Ernährung von Sportpferden (51). Warendorf: FN Verlag.
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Krueger, K., Schneider, G., Flauger, B., & Heinze, J. (2015). Context-dependent third-party intervention in agonistic encounters of male Przewalski horses. Behav. Process., 121, 54–62.
Abstract: Abstract One mechanism to resolve conflict among group members is third party intervention, for which several functions, such as kin protection, alliance formation, and the promotion of group cohesion have been proposed. Still, empirical research on the function of intervention behaviour is rare. We studied 40 cases of intervention behaviour in a field study on 13 semi-wild bachelor horses (Equus ferus przewalskii) in (a) standard social situations, and (b) when new horses joined the group (i.e. introductions). Only interventions in agonistic encounters were analysed. Eight of 13 animals directed intervention behaviour toward threatening animal in agonistic encounters of group members. One stallion was particularly active. The stallions did not intervene to support former group mates or kin and interventions were not reciprocated. In introduction situations and in standard social situations, the interveners supported animals which were lower in rank, but targeted, threatening animals of comparable social rank. After introductions, stallions received more affiliative behaviour from animals they supported and thus appeared to intervene for alliance formation. In standard social situations, interveners did not receive more affiliative behaviour from animals they supported and may primarily have intervened to promote group cohesion and to reduce social disruption within the group.
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Krueger, K. (2014). “Pferdehaltung und Ethologie der Pferde” im Bachelorstudiengang Pferdewirtschaft. In : S. Lepp und C. Niederdrenk-Felgner (Ed.), Forschendes Lernen initiieren, umsetzen und reflektieren (pp. 54–81). Bielefeld: UniversitätsVerlag Webler.
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Krueger, K., & Koenig von Borstel, U. (2014). Wie Pferde lernen. In Deutsche Reiterliche Vereinigung e.V. (Ed.), Pferde verstehen – Umgang und Bodenarbeit (pp. 56–82). Warendorf: FN Verlag der deutschen Reiterlichen Vereinigung GmbH.
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Fuchs, K., Götz, K., Manschel, K., Pohl, L., Preisendanz, L., Weil, S., et al. (2013). Vergleich der Interaktionen von Pferden in Boxenhaltung mit Weidegang und Pferden in Offenstallhaltung. In Göttinger Pferdetage’13 (65).
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Wolfrum, V., & Krueger, K. (2017). Pferdegestützte Therapie für Flüchtlingskinder. mup, 2, 65–68.
Abstract: Das Projekt    Viele Flüchtlinge kommen aus Kriegsgebieten zu uns nach Deutschland in der Hoffnung, hier ein neues Leben in Frieden beginnen zu können. Ein Großteil von ihnen hat Schreckliches erlebt und mit diesen Erinnerungen zu kämpfen. Auch ist es nicht einfach, in einem fremden Land mit einer fremden Kultur Fuß zu fassen, sich zu integrieren und neue Freundschaften zu schließen.
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Wolter, R., Pantel, N., Möstl, E., & Krueger, K. (2013). Die Rolle des Alpha-Hengstes in einer Przewalski Bachelor-Gruppe beim Erkunden einer neuen Fläche in einem Semi-Reservat. (Vol. Göttinger Pferdetage'13, 66).
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Benz, B., Benitz, B., Krueger, K., & Winter, D. (2013). Weniger Einstreu bei gleichem Komfort. Pferdezucht und Haltung, 1, 66–71.
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Schneider, G., & Krueger, K. (2012). Third-party intervention. In Proceedings of the 2. International Equine Science Meeting (73). Wald: Xenophon Publishing.
Abstract: Third-party intervention is the interruption of a dyadic interaction by a third animal. We observed such interventions in affiliative interactions in free-ranging Esperia-ponies (Equus caballus). It is known that horses intervene in affiliative contexts especially when a preferred partner is involved, probably to protect their social bond to this preferred partner. To prove this hypothesis the present study investigated whether the preferred partner was targeted, i.e. challenged, or supported by the intervener or both randomly. Therefore we examined the social relationship between the intervener and both dyadic interacting individuals. We found that interveners usually supported individuals to which they have stronger social bonds than to other group mates, while they have no particular relationship to the targeted animals. This indicates that interveners in stable horse groups protect their social bonds to the supported animals by challenging their interaction partners. Of all observed horses only some mares showed intervention behaviour. Their social position, reflected by their position in the dominance hierarchy, social networks, and the spatial group structure were investigated. We found that interveners occupy no unique position, but they are involved in a high amount of affiliative interactions, high-ranking, and relatively aggressive. KW -
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Krueger, K., & Flauger, B. (2008). Social feeding decisions in horses (Equus caballus). Behav. Process., 78(1), 76–83.
Abstract: Like many other herbivores, in a natural environment equids feed on rather evenly distributed resources. However, the vegetation in their vast habitats constantly changes. If food is plentiful only little competition occurs over food, and in non-competitive situations domestic horses tend to return to the same feeding site until it is overgrazed. In contrast, they compete over limited food for which the social status of the individuals appears to be important. Especially in ruminants several studies have proved an influence of social organisations, rank, sex and the depletion of feeding sites on the feeding behaviour of individuals. However, it is not yet understood whether and how social aspects affect horses“ feeding decisions. Curiosity about the influence of social rank on the horses” feeding decisions between two, equally with high-quality surplus food-filled buckets placed in different social feeding conditions, led us to create the test below. The observer horses were alternately tested with a dominant and a subordinate demonstrator placed in one of the three different positions. We conclude that domestic horses use social cognition and strategic decision making in order to decide where to feed in a social feeding situation. When possible they tend to return to the same, continuously supplied feeding site and switch to an “avoidance tendency” in the presence of dominant horses or when another horse is already feeding there. Thus, the social rank and the position of conspecifics affect the feeding strategy of horses.
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