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Karenina, K.; Giljov, A.; Ingram, J.; Rowntree, V.J.; Malashichev, Y. |
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Lateralization of mother�infant interactions in a diverse range of mammal species |
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Journal Article |
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2017 |
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Nature Ecology & Evolution |
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Nat Ecol Evol |
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1 |
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0030 Ep - |
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Left-cradling bias is a distinctive feature of maternal behaviour in humans and great apes, but its evolutionary origin remains unknown. In 11 species of marine and terrestrial mammal, we demonstrate consistent patterns of lateralization in mother�infant interactions, indicating right hemisphere dominance for social processing. In providing clear evidence that lateralized positioning is beneficial in mother�infant interactions, our results illustrate a significant impact of lateralization on individual fitness. |
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Equine Behaviour @ team @ |
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6040 |
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Bottom, S.H. |
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Age-related changes in taste and gustatory response and feeding behaviour in the stabled horse |
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There is a paucity of research relating to the anatomy and physiology of gustation and olfaction in the horse. Moreover, whilst an age-related decline in gustation and olfaction has been recorded in humans, no such study has been conducted in the horse. The horse is reliant on gustation and olfaction to make appropriate decisions relating to both short and long term diet selection and thus, any compromise in function, has implications for food intake and potentially welfare. The principal aim of this study was to establish if, and to what extent, taste andgustatory responses are affected by age in the horse. Horses were allocated to the age groups Young (2-5 years), Middle (8-14 years) and Old (16 plus years) for the study of taste (n=18) and to Young (4-6 years), Middle (10-14 years) and Old (16 plus years) for the study of gustation (n=18). Individual taste responses and gustatory responses (taste in the absence of additional olfactory cues) were identified using two-choice preference testing and monadic testing. Statistical analysis was conducted using Minitab 14.0 and behaviour data was analysed using The Observer 5.0 (Noldus, Netherlands). No effect of age on taste response or gustatory response was recorded. |
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Ph.D. thesis |
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Nottingham Trent University |
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Nottingham, UK |
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Equine Behaviour @ team @ |
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6636 |
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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 |
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The Journal of Experimental Biology |
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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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Golynski, M.; Szczepanik, M.P.; Wilkolek, P.M.; Adamek, L.R.; Sitkowski, W.; Taszkun, I. |
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Influence of hair clipping on transepidermal water loss values in horses: a pilot study |
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2018 |
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Polish Journal of Veterinary Sciences |
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vol. 21 |
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No 1 |
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horses; transepidermal water loss; clipping |
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University of Warmia and Mazury in Olsztyn |
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Equine Behaviour @ team @ |
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6612 |
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Pongrácz, P.; Miklósi, Á.; Kubinyi, E.; Gurobi, K.; Topál, J.; Csányi, V. |
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Title |
Social learning in dogs: the effect of a human demonstrator on the performance of dogs in a detour task |
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Journal Article |
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2001 |
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Animal Behaviour. |
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Anim. Behav. |
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62 |
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6 |
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1109-1117 |
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We recorded the behaviour of dogs in detour tests, in which an object (a favourite toy) or food was placed behind a V-shaped fence. Dogs were able to master this task; however, they did it more easily when they started from within the fence with the object placed outside it. Repeated detours starting from within the fence did not help the dogs to obtain the object more quickly if in a subsequent trial they started outside the fence with the object placed inside it. While six trials were not enough for the dogs to show significant improvement on their own in detouring the fence from outside, demonstration of this action by humans significantly improved the dogs' performance within two-three trials. Owners and strangers were equally effective as demonstrators. Our experiments show that dogs are able to rely on information provided by human action when confronted with a new task. While they did not copy the exact path of the human demonstrator, they easily adopted the detour behaviour shown by humans to reach their goal. |
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refbase @ user @ |
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847 |
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Zajonc, R.B. |
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Social Facilitation |
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1965 |
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Science |
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Science |
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149 |
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3681 |
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269-274 |
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300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf |
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Equine Behaviour @ team @ |
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6565 |
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Outram, A.K.; Stear, N.A.; Bendrey, R.; Olsen, S.; Kasparov, A.; Zaibert, V.; Thorpe, N.; Evershed, R.P. |
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Title |
The Earliest Horse Harnessing and Milking |
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2009 |
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Science |
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323 |
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5919 |
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1332-1335 |
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Horse domestication revolutionized transport, communications, and warfare in prehistory, yet the identification of early domestication processes has been problematic. Here, we present three independent lines of evidence demonstrating domestication in the Eneolithic Botai Culture of Kazakhstan, dating to about 3500 B.C.E. Metrical analysis of horse metacarpals shows that Botai horses resemble Bronze Age domestic horses rather than Paleolithic wild horses from the same region. Pathological characteristics indicate that some Botai horses were bridled, perhaps ridden. Organic residue analysis, using δ13C and δD values of fatty acids, reveals processing of mare's milk and carcass products in ceramics, indicating a developed domestic economy encompassing secondary products. |
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Equine Behaviour @ team @ |
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6620 |
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Horses' (Equus Caballus) Laterality, Stress Hormones, and Task Related Behavior in Innovative Problem-Solving |
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Equine Behaviour @ team @ ref3 |
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6572 |
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Harlow, H.F. |
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Learning and satiation of response in intrinsically motivated complex puzzle performance by monkeys |
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1950 |
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Journal of Comparative and Physiological Psychology |
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J Comp Physiol Psychol |
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43 |
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4 |
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289-294 |
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Animals; *Haplorhini; *Learning; *Motivation; *Psychology; *Satiation; *Learning; *Motivation; *Psychology |
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Two rhesus monkeys, given 60 two-hour sessions with a six-device mechanical puzzle showed clear evidence of learning, the curve showing ratio of incorrect to correct responses appearing quite comparable to similar curves obtained during externally rewarded situations. When, on the thirteenth day of tests, the subjects were presented with the puzzle 100 times at 6-minute intervals, the number of devices manipulated decreased regularly throughout the day, although there was no significant change in the number of times the problem assembly was attacked. |
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0021-9940 |
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PMID:15436888 |
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Equine Behaviour @ team @ |
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6550 |
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Birch, H.G. |
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The relation of previous experience to insightful problem-solving |
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1945 |
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Journal of Comparative Psychology |
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J Comp Psychol |
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38 |
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367-383 |
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Humans; *Problem Solving; *Psychology, Comparative; *PSYCHOLOGY/comparative |
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0021-9940 |
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PMID:21010765 |
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Equine Behaviour @ team @ |
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6554 |
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