| Records |
| Author |
Hinz, K.; Sennet, S.; Maros, K.; Krueger, K. |
| Title |
Waiting behaviour in front of a computerized feeding system in an active stable – Effects on heart rate, heart rate variability and sensory laterality in horses |
Type |
Book Chapter |
| Year |
2015 |
Publication |
Current research in applied ethology [Aktuelle Arbeiten zur artgemäßen Tierhaltung |
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| Keywords |
computerized feeding, waiting situation, stress, horse |
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KTBL-Schrift 510 |
Place of Publication |
Darmstadt |
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978-3-945088-13-5 |
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| Call Number |
Equine Behaviour @ team @ |
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5927 |
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| Author |
Kruger, K. |
| Title |
Wie schlau sind Pferde? Soziales Lernen und innovative Anpassungen der Pferde |
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Conference Article |
| Year |
2015 |
Publication |
Göttinger Pferdetage’15 |
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15 |
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FN Verlag |
Place of Publication |
Warendorf |
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978-3-88542-886-2 |
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no |
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Equine Behaviour @ team @ |
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5955 |
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| Author |
Krueger, K.; Hollenhorst, H.; Schuetz, A.; Weil, S. |
| Title |
Social learning and innovative learning in horses. |
Type |
Conference Article |
| Year |
2015 |
Publication |
Proceedings of the 3. International Equine Science Meeting |
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| Volume |
3 |
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| Publisher |
Xenophon Publishing |
Place of Publication |
Wald |
Editor |
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 |
Giles, S.L.; Nicol, C.J.; Harris, P.A.; Rands, S.A. |
| Title |
Dominance rank is associated with body condition in outdoor-living domestic horses (Equus caballus) |
Type |
Journal Article |
| Year |
2015 |
Publication |
Applied Animal Behaviour Science |
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| Keywords |
Equine; fatness; obesity; social behaviour; displacement |
| Abstract |
Abstract The aim of our study was to explore the association between dominance rank and body condition in outdoor group-living domestic horses, Equus caballus. Social interactions were recorded using a video camera during a feeding test, applied to 203 horses in 42 herds. Dominance rank was assigned to 194 individuals. The outcome variable body condition score (BCS) was recorded using a 9-point scale. The variables age and height were recorded and considered as potential confounders or effect modifiers. Results were analysed using multivariable linear and logistic regression techniques, controlling for herd group as a random effect. More dominant (p = 0.001) individuals generally had a higher body condition score (p = 0.001) and this association was entirely independent of age and height. In addition, a greater proportion of dominant individuals fell into the obese category (BCS >= 7/9, p = 0.005). There were more displacement encounters and a greater level of interactivity in herds that had less variation in age and height, lending strength to the hypothesis that phenotypic variation may aid cohesion in group-living species. In addition there was a strong quadratic relationship between age and dominance rank (p < 0.001), where middle-aged individuals were most likely to be dominant. These results are the first to link behavioural predictors to body condition and obesity status in horses and should prompt the future consideration of behavioural and social factors when evaluating clinical disease risk in group-living animals. |
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0168-1591 |
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no |
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Equine Behaviour @ team @ Giles2015 |
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5864 |
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| Author |
Krause, J.; James, R.; Franks, D.W.; Croft, D. P. |
| Title |
Animal Social Networks. |
Type |
Book Whole |
| Year |
2015 |
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Oxford University Press |
Place of Publication |
Oxford |
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no |
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Equine Behaviour @ team @ |
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5883 |
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| Author |
Rubenstein D.I. |
| Title |
Networks of terrestrial ungulates: linking form and function |
Type |
Book Chapter |
| Year |
2015 |
Publication |
Animal Social Networks |
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Oxford University Press |
Place of Publication |
Oxford |
Editor |
Krause, J., James, R., Franks, D. W., & Croft, D. P. |
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no |
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Equine Behaviour @ team @ |
Serial |
5884 |
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| Author |
Krueger, K. (ed) |
| Title |
Proceedings of the 3. International Equine Science Meeting |
Type |
Conference Volume |
| Year |
2015 |
Publication |
IESM 2015 |
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Xenophon Publishing |
Place of Publication |
Wald |
Editor |
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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Id - |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
5906 |
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| Author |
Kaiser, S.; Hennessy, M.B.; Sachser, N. |
| Title |
Domestication affects the structure, development and stability of biobehavioural profiles |
Type |
Journal Article |
| Year |
2015 |
Publication |
Frontiers in Zoology |
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12 |
Issue |
1 |
Pages |
1-11 |
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| Abstract |
Domestication is an evolutionary process during which the biobehavioural profile (comprising e.g. social and emotional behaviour, cognitive abilities, as well as hormonal stress responses) is substantially reshaped. Using a comparative approach, and focusing mainly on the domestic and wild guinea pig, an established model system for the study of domestication, we review (a) how wild and domestic animals of the same species differ in behaviour, emotion, cognition, and hormonal stress responses, (b) during which phases of life differences in biobehavioural profiles emerge and (c) whether or not animal personalities exist in both the wild and domestic form. Concerning (a), typical changes with domestication include increased courtship, sociopositive and maternal behaviours as well as decreased aggression and attentive behaviour. In addition, domestic animals display more anxiety-like and less risk-taking and exploratory behaviour than the wild form and they show distinctly lower endocrine stress responsiveness. There are no indications, however, that domestic animals have diminished cognitive abilities relative to the wild form. The different biobehavioural profiles of the wild and domestic animals can be regarded as adaptations to the different environmental conditions under which they live, i.e., the natural habitat and artificial man-made housing conditions, respectively. Concerning (b), the comparison of infantile, adolescent and adult wild and domestic guinea pigs shows that the typical biobehavioural profile of the domestic form is already present during early phases of life, that is, during early adolescence and weaning. Thus, differences between the domestic and the wild form can be attributed to genetic alterations resulting from artificial selection, and likely to environmental influences during the pre- and perinatal phase. Interestingly, the frequency of play behaviour does not differ between the domestic and wild form early in life, but is significantly higher in domesticated guinea pigs at later ages. Concerning (c), there is some evidence that personalities occur in both wild and domestic animals. However, there may be differences in which behavioural domains – social and sexual behaviour, emotionality, stress-responsiveness – are consistent over time. These differences are probably due to changing selection pressures during domestication. |
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1742-9994 |
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no |
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Equine Behaviour @ team @ Kaiser2015 |
Serial |
5975 |
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| Author |
Seyfarth, R.M.; Cheney, D.L. |
| Title |
Social cognition |
Type |
Journal Article |
| Year |
2015 |
Publication |
Animal Behaviour |
Abbreviated Journal |
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| Volume |
103 |
Issue |
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Pages |
191-202 |
| Keywords |
evolution; fitness; future research; personality; selective pressure; skill; social cognition |
| Abstract |
The social intelligence hypothesis argues that competition and cooperation among individuals have shaped the evolution of cognition in animals. What do we mean by social cognition? Here we suggest that the building blocks of social cognition are a suite of skills, ordered roughly according to the cognitive demands they place upon individuals. These skills allow an animal to recognize others by various means; to recognize and remember other animals' relationships; and, perhaps, to attribute mental states to them. Some skills are elementary and virtually ubiquitous in the animal kingdom; others are more limited in their taxonomic distribution. We treat these skills as the targets of selection, and assume that more complex levels of social cognition evolve only when simpler methods are inadequate. As a result, more complex levels of social cognition indicate greater selective pressures in the past. The presence of each skill can be tested directly through field observations and experiments. In addition, the same methods that have been used to compare social cognition across species can also be used to measure individual differences within species and to test the hypothesis that individual differences in social cognition are linked to differences in reproductive success. |
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0003-3472 |
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no |
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Equine Behaviour @ team @ |
Serial |
6025 |
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| Author |
Phillips, C.J.C.; Oevermans, H.; Syrett, K.L.; Jespersen, A.Y.; Pearce, G.P. |
| Title |
Lateralization of behavior in dairy cows in response to conspecifics and novel persons |
Type |
Journal Article |
| Year |
2015 |
Publication |
Journal of Dairy Science |
Abbreviated Journal |
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| Volume |
98 |
Issue |
4 |
Pages |
2389-2400 |
| Keywords |
dairy cow; dominance; hemispheric processing; visual lateralization |
| Abstract |
Abstract The right brain hemisphere, connected to the left eye, coordinates fight and flight behaviors in a wide variety of vertebrate species. We investigated whether left eye vision predominates in dairy cows’ interactions with other cows and humans, and whether dominance status affects the extent of visual lateralization. Although we found no overall lateralization of eye use to view other cows during interactions, cows that were submissive in an interaction were more likely to use their left eye to view a dominant animal. Both subordinate and older cows were more likely to use their left eye to view other cattle during interactions. Cows that predominantly used their left eye during aggressive interactions were more likely to use their left eye to view a person in unfamiliar clothing in the middle of a track by passing them on the right side. However, a person in familiar clothing was viewed predominantly with the right eye when they passed mainly on the left side. Cows predominantly using their left eyes in cow-to-cow interactions showed more overt responses to restraint in a crush compared with cows who predominantly used their right eyes during interactions (crush scores: left eye users 7.9, right eye users 6.4, standard error of the difference = 0.72). Thus, interactions between 2 cows and between cows and people were visually lateralized, with losing and subordinate cows being more likely to use their left eyes to view winning and dominant cattle and unfamiliar humans. |
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0022-0302 |
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Equine Behaviour @ team @ |
Serial |
6027 |
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