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Author |
Krueger, K. |
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Title |
“Pferdehaltung und Ethologie der Pferde” im Bachelorstudiengang Pferdewirtschaft |
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Book Chapter |
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2014 |
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Forschendes Lernen initiieren, umsetzen und reflektieren |
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54-81 |
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UniversitätsVerlag Webler |
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Bielefeld |
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: S. Lepp und C. Niederdrenk-Felgner |
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10: 3-937026-91-6 |
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Call Number |
Equine Behaviour @ team @ |
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5944 |
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Author |
Croft, D. P.; James, R..; Krause, J. (eds) |
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Title |
Exploring Animal Social Networks |
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2008 |
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Princton University Press |
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Princton |
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Croft, D. P.; James, R..; Krause, J. |
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9780691127521 |
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Equine Behaviour @ team @ |
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5139 |
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Author |
Whiten A.; Byrne, R. W. (eds) |
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Title |
Machiavellian Intelligence II – Extensions and Evaluations |
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Book Whole |
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1997 |
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Cambridge University Press |
Place of Publication |
Cambridge |
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Whiten A.; Byrne, R. W. |
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Equine Behaviour @ team @ |
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5233 |
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Author |
Krueger, K. |
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Title |
“Erfasst” das Pferd die menschliche Psyche" |
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Book Chapter |
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2010 |
Publication |
Pferdegestützte Therapie bei psychischen Erkrankungen |
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40-51 |
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Schattauer Verlag |
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Stuttgart |
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Dettling, M.; Opgen-Rhein, C.; Kläschen, M. |
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978-3794527557 |
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Equine Behaviour @ team @ |
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5443 |
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Author |
Clutton-Brock, T.H.; Harvey, P.H. |
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Title |
Primates, brains and ecology |
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Journal Article |
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Year |
1980 |
Publication |
Journal of Zoology |
Abbreviated Journal |
J. Zool. Lond. |
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Volume |
190 |
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3 |
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309-323 |
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The paper examines systematic relationships among primates between brain size (relative to body size) and differences in ecology and social system. Marked differences in relative brain size exist between families. These are correlated with inter-family differences in body size and home range size. Variation in comparative brain size within families is related to diet (folivores have comparatively smaller brains than frugivores), home range size and possibly also to breeding system. The adaptive significance of these relationships is discussed. |
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Blackwell Publishing Ltd |
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1469-7998 |
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Equine Behaviour @ team @ |
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5451 |
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Author |
Benz, B.; Benitz, B.; Krueger, K.; Winter, D. |
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Title |
Weniger Einstreu bei gleichem Komfort |
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Journal Article |
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Year |
2013 |
Publication |
Pferdezucht und Haltung |
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1 |
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66-71 |
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AVA-Verlag-Allgäu GmbH |
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Kempten |
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Equine Behaviour @ team @ |
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5654 |
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Author |
Bartal, I.B.-A.; Decety, J.; Mason, P. |
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Title |
Empathy and Pro-Social Behavior in Rats |
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Journal Article |
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Year |
2011 |
Publication |
Science |
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Science |
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Volume |
334 |
Issue |
6061 |
Pages |
1427-1430 |
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Abstract |
Whereas human pro-social behavior is often driven by empathic concern for another, it is unclear whether nonprimate mammals experience a similar motivational state. To test for empathically motivated pro-social behavior in rodents, we placed a free rat in an arena with a cagemate trapped in a restrainer. After several sessions, the free rat learned to intentionally and quickly open the restrainer and free the cagemate. Rats did not open empty or object-containing restrainers. They freed cagemates even when social contact was prevented. When liberating a cagemate was pitted against chocolate contained within a second restrainer, rats opened both restrainers and typically shared the chocolate. Thus, rats behave pro-socially in response to a conspecific�s distress, providing strong evidence for biological roots of empathically motivated helping behavior. |
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10.1126/science.1210789 |
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Equine Behaviour @ team @ |
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5725 |
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Author |
Krueger, K. |
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Title |
Perissodactyla Cognition |
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Book Chapter |
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Year |
2017 |
Publication |
Encyclopedia of Animal Cognition and Behavior |
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1-10 |
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Springer International Publishing |
Place of Publication |
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 |
Brinkmann, L.; Gerken, M.; Hambly, C.; Speakman, J.R.; Riek, A. |
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Title |
Saving energy during hard times: Energetic adaptations of Shetland pony mares |
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Journal Article |
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Year |
2014 |
Publication |
The Journal of Experimental Biology |
Abbreviated Journal |
J. Exp. Biol. |
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217 |
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4320-4327 |
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Recent results suggest that wild Northern herbivores reduce their metabolism during times of low ambient temperatures and food shortage in order to reduce their energetic needs. It is however not known if domesticated animals are also able to reduce their energy expenditure. We exposed ten Shetland pony mares to different environmental conditions (summer and winter) and to two food quantities (60 and 100% of maintenance energy requirement, respectively) during low winter temperatures to examine energetic and behavioural responses. In summer ponies showed a considerably higher field metabolic rate (FMR) (63.4±15.0 MJ d-1) compared to restrictively fed and control animals in winter (24.6±7.8 MJ d-1 and 15.0±1.1 MJ d-1, respectively). During summer conditions locomotor activity, resting heart rates and total water turnover were considerably elevated (P<0.001) compared to winter. Restrictively fed animals (N=5) compensated for the decreased energy supply by reducing their FMR by 26% compared to control animals (N=5). Furthermore, resting heart rate, body mass and body condition score were lower (29.2±2.7 beats min-1; 140±22 kg; 3.0±1.0 points) than in control animals (36.8±41 beats min-1; 165 ±31 kg; 4.4±0.7 points; P<0.05). While the observed behaviour did not change, nocturnal hypothermia was elevated. We conclude that ponies acclimatize to different climatic conditions by changing their metabolic rate, behaviour and some physiological parameters. When exposed to energy challenges, ponies, like wild herbivores, exhibited hypometabolism and nocturnal hypothermia. |
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10.1242/jeb.111815 |
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Equine Behaviour @ team @ |
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5836 |
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Author |
Lovrovich, P.; Sighieri, C.; Baragli, P. |
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Title |
Following human-given cues or not? Horses (Equus caballus) get smarter and change strategy in a delayed three choice task |
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Journal Article |
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2015 |
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Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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166 |
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80-88 |
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Highlights
�Horses remember the location of food hidden by the experimenter after a delay.
�They understand the communicative meaning of a human positioned close to the target.
�The same horses are capable of changing their decision-making strategy.
�They are able to shift from accuracy inferred from human given cues to speed.
�Horses can use human cues or not depending on time, cost, experience and reward.
Abstract
To date, horses have seemed capable of using human local enhancement cues only when the experimenter remains close to the reward, since they fail to understand the communicative meaning of the human as momentary local enhancement cue (when the human is not present at the moment of the animal's choice). This study was designed to analyse the ability of horses to understand, remember and use human-given cues in a delayed (10 s) three-choice task. Twelve horses (experimental group) had to find a piece of carrot hidden under one of three overturned buckets after seeing the experimenter hide it. The results were then compared with those of a control group (twelve horses) that had to find the carrot using only the sense of smell or random attempts. At the beginning, the experimental horses made more correct choices at the first attempt, although they took more time to find the carrot. Later the same horses were less accurate but found the carrot in less time. This suggests that the value of the proximal momentary local enhancement cues became less critical. It seemed, in fact, that the experimental and control group had aligned their behaviour as the trials proceeded. Despite this similarity, in the second half of the trials, the experimental group tended to first approach the bucket where they had found the carrot in the immediately preceding trial. Our findings indicate that horses are capable of remembering the location of food hidden by the experimenter after a delay, by using the human positioned close to the target as valuable information. The same horses are also capable of changing their decision-making strategy by shifting from the accuracy inferred from human given cues to speed. Therefore, horses are able to decide whether or not to use human given-cues, depending on a speed-accuracy trade-off. |
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Elsevier |
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doi: 10.1016/j.applanim.2015.02.017 |
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Equine Behaviour @ team @ |
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5849 |
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