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Author Zajonc, R.B. url  doi
openurl 
  Title Social Facilitation Type Journal Article
  Year 1965 Publication (up) Science Abbreviated Journal Science  
  Volume 149 Issue 3681 Pages 269-274  
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  Abstract 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6565  
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Author Outram, A.K.; Stear, N.A.; Bendrey, R.; Olsen, S.; Kasparov, A.; Zaibert, V.; Thorpe, N.; Evershed, R.P. url  doi
openurl 
  Title The Earliest Horse Harnessing and Milking Type Journal Article
  Year 2009 Publication (up) Science Abbreviated Journal  
  Volume 323 Issue 5919 Pages 1332-1335  
  Keywords  
  Abstract 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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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6620  
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Author d'Ingeo, S.; Quaranta, A.; Siniscalchi, M.; Stomp, M.; Coste, C.; Bagnard, C.; Hausberger, M.; Cousillas, H. url  doi
openurl 
  Title Horses associate individual human voices with the valence of past interactions: a behavioural and electrophysiological study Type Journal Article
  Year 2019 Publication (up) Scientific Reports Abbreviated Journal  
  Volume 9 Issue 1 Pages 11568  
  Keywords  
  Abstract Brain lateralization is a phenomenon widely reported in the animal kingdom and sensory laterality has been shown to be an indicator of the appraisal of the stimulus valence by an individual. This can prove a useful tool to investigate how animals perceive intra- or hetero-specific signals. The human-animal relationship provides an interesting framework for testing the impact of the valence of interactions on emotional memories. In the present study, we tested whether horses could associate individual human voices with past positive or negative experiences. Both behavioural and electroencephalographic measures allowed examining laterality patterns in addition to the behavioural reactions. The results show that horses reacted to voices associated with past positive experiences with increased attention/arousal (gamma oscillations in the right hemisphere) and indicators of a positive emotional state (left hemisphere activation and ears held forward), and to those associated with past negative experiences with negative affective states (right hemisphere activation and ears held backwards). The responses were further influenced by the animals' management conditions (e.g. box or pasture). Overall, these results, associating brain and behaviour analysis, clearly demonstrate that horses' representation of human voices is modulated by the valence of prior horse-human interactions.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2045-2322 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ d'Ingeo2019 Serial 6582  
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Author Lansade, L.; Colson, V.; Parias, C.; Trösch, M.; Reigner, F.; Calandreau, L. url  doi
openurl 
  Title Female horses spontaneously identify a photograph of their keeper, last seen six months previously Type Journal Article
  Year 2020 Publication (up) Scientific Reports Abbreviated Journal  
  Volume 10 Issue 1 Pages 6302  
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  Abstract Horses are capable of identifying individual conspecifics based on olfactory, auditory or visual cues. However, this raises the questions of their ability to recognize human beings and on the basis of what cues. This study investigated whether horses could differentiate between a familiar and unfamiliar human from photographs of faces. Eleven horses were trained on a discrimination task using a computer-controlled screen, on which two photographs were presented simultaneously (32 trials/session): touching one was rewarded (S+) and the other not (S-). In the training phase, the S+ faces were of four unfamiliar people which gradually became familiar over the trials. The S- faces were novel for each trial. After the training phase, the faces of the horses' keepers were presented opposite novel faces to test whether the horses could identify the former spontaneously. A reward was given whichever face was touched to avoid any possible learning effect. Horses touched the faces of keepers significantly more than chance, whether it was their current keeper or one they had not seen for six months (t = 3.65; p < 0.004 and t = 6.24; p < 0.0001). Overall, these results show that horses have advanced human face-recognition abilities and a long-term memory of those human faces.  
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  ISSN 2045-2322 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Lansade2020 Serial 6623  
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Author Camerlink, I.; Menneson, S.; Turner, S.P.; Farish, M.; Arnott, G. url  doi
openurl 
  Title Lateralization influences contest behaviour in domestic pigs Type Journal Article
  Year 2018 Publication (up) Scientific Reports Abbreviated Journal  
  Volume 8 Issue 1 Pages 12116  
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  Abstract Cerebral lateralization, i.e. hemispheric asymmetries in structure and function, relates in many species to a preference to attack from their left. Lateralization increases cognitive capacity, enabling the simultaneous processing of multiple sources of information. Therefore, lateralization may constitute a component of fighting ability (Resource Holding Potential), and/or influence the efficiency of information-gathering during a contest. We hypothesized that lateralization will affect contest outcome and duration, with an advantage for more strongly lateralized individuals. In 52 dyadic contests between weight-matched pigs (Sus scrofa; n = 104; 10 wk age), the direction of orientation towards the opponent was scan sampled every 10 s. Laterality indexes (LI) were calculated for the direction and strength of lateralization. Up to 12.5% of the individuals showed significant lateralization towards either the right or left but lateralization was absent at the population level. In line with our hypothesis, animals showing strong lateralization (irrespective of direction) had a shorter contest duration than animals showing weak lateralization. Winners did not differ from losers in their strength or direction of lateralization. Overall the results suggest that cerebral lateralization may aid in conflict resolution, but does not directly contribute to fighting ability, and will be of value in the study of animal contests.  
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  ISSN 2045-2322 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Camerlink2018 Serial 6700  
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Author Rogers, L. doi  openurl
  Title Asymmetry of Motor Behavior and Sensory Perception: Which Comes First? Type Journal Article
  Year 2020 Publication (up) Symmetrie Abbreviated Journal Symmetrie  
  Volume 12 Issue 5 Pages 690  
  Keywords development; motor asymmetry; visual lateralization; human fetus; chick embryo; sensory-motor interaction  
  Abstract By examining the development of lateralization in the sensory and motor systems of the human fetus and chick embryo, this paper debates which lateralized functions develop first and what interactions may occur between the different sensory and motor systems during development. It also discusses some known influences of inputs from the environment on the development of lateralization, particularly the effects of light exposure on the development of visual and motor lateralization in chicks. The effects of light on the human fetus are related in this context. Using the chick embryo as a model to elucidate the genetic and environmental factors involved in development of lateralization, some understanding has been gained about how these lateralized functions emerge. At the same time, the value of carrying out much more research on the development of the various types of lateralization has become apparent.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6610  
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Author Leliveld, L.M.C. doi  openurl
  Title From Science to Practice: A Review of Laterality Research on Ungulate Livestock Type Journal Article
  Year 2019 Publication (up) Symmetry Abbreviated Journal Symmetry  
  Volume 11 Issue 9 Pages 1157  
  Keywords hemispheric asymmetries; farm animals; emotional processing; animal cognition; development; human-animal interactions; animal welfare  
  Abstract In functional laterality research, most ungulate livestock species have until recently been mainly overlooked. However, there are many scientific and practical benefits of studying laterality in ungulate livestock. As social, precocial and domestic species, they may offer insight into the mechanisms involved in the ontogeny and phylogeny of functional laterality and help to better understand the role of laterality in animal welfare. Until now, most studies on ungulate livestock have focused on motor laterality, but interest in other lateralized functions, e.g., cognition and emotions, is growing. Increasingly more studies are also focused on associations with age, sex, personality, health, stress, production and performance. Although the full potential of research on laterality in ungulate livestock is not yet exploited, findings have already shed new light on central issues in cognitive and emotional processing and laid the basis for potentially useful applications in future practice, e.g., stress reduction during human-animal interactions and improved assessments of health, production and welfare. Future research would benefit from further integration of basic laterality methodology (e.g., testing for individual preferences) and applied ethological approaches (e.g., established emotionality tests), which would not only improve our understanding of functional laterality but also benefit the assessment of animal welfare.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6588  
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Author Haidn, B.; Berger, N openurl 
  Title Arbeitszeitbedarf für die Pensionspferdehaltung in landwirt-schaftlichen Betrieben Type Journal Article
  Year 2003 Publication (up) Tagungsband 6, Vechta 25.-27. März 2003 Abbreviated Journal  
  Volume Tagung: Bau, Technik und Umwelt in der landwirtsch Issue Pages 386 -391  
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  Publisher KTBL-Schriften Place of Publication Münster-Hiltrup Editor KTBL  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6640  
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Author Maloney, S.J. url  openurl
  Title The Relationship Between Asymmetry and Athletic Performance: A Critical Review Type Journal Article
  Year 2019 Publication (up) The Journal of Strength & Conditioning Research Abbreviated Journal  
  Volume 33 Issue 9 Pages  
  Keywords symmetry; imbalance; power; strength  
  Abstract Maloney, SJ. The relationship between asymmetry and athletic performance: A critical review. J Strength Cond Res 33(9): 2579-2593, 2019--Symmetry may be defined as the quality to demonstrate an exact correspondence of size, shape, and form when split along a given axis. Although it has been widely asserted that the bilateral asymmetries are detrimental to athletic performance, research does not wholly support such an association. Moreover, the research rarely seeks to distinguish between different types of bilateral asymmetry. Fluctuating asymmetries describe bilateral differences in anthropometric attributes, such as nostril width and ear size, and are thought to represent the developmental stability of an organism. There is evidence to suggest that fluctuating asymmetries may be related to impaired athletic performance, although contradictory findings have been reported. Sporting asymmetries is a term that may better describe bilateral differences in parameters, such as force output or jump height. These asymmetries are likely to be a function of limb dominance and magnified by long-standing participation within sport. Sporting asymmetries do not seem to carry a clear influence on athletic performance measures. Given the vast discrepancy in the methodologies used by different investigations, further research is warranted. Recent investigations have demonstrated that training interventions can reduce sporting asymmetries and improve performance. However, studies have not sought to determine whether the influence of sporting asymmetry is independent of improvements in neuromuscular parameters. It may be hypothesized that the deficient (weaker) limb has a greater potential for adaptation in comparison to the strong limb and may demonstrate greater responsiveness to training.  
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  Series Volume Series Issue Edition  
  ISSN 1064-8011 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ 00124278-201909000-00032 Serial 6662  
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Author Boyce, P.N.; McLoughlin, P.D. url  doi
openurl 
  Title Ecological Interactions Involving Feral Horses and Predators: Review with Implications for Biodiversity Conservation Type Journal Article
  Year 2021 Publication (up) The Journal of Wildlife Management Abbreviated Journal Jour. Wild. Mgmt.  
  Volume n/a Issue n/a Pages  
  Keywords apparent competition; artificial selection; community ecology; conservation; feral horse (Equus ferus caballus); life history; predator-prey dynamics  
  Abstract ABSTRACT For many ecosystems, feral horses are increasingly becoming an important if not dominant component of ungulate biomass and hence influence on community dynamics. Yet we still know little of how horses contribute to key ecological interactions including predator-prey and indirect competitive relationships at a community level. Notably, feral species like horses can exhibit life-history traits that differ from that of native (mainly artiodactyl) herbivore competitors. Artificial selection for traits like increased, early, or extended reproduction that have yet to be reversed by natural selection, coupled with naturally selected differences in anatomy and behavior, in addition to unique management objectives for horses compared to other species, means that the dynamics of feral horse populations are not likely to align with what might be expected of other large herbivores. Unexpected population dynamics and inherent biological asymmetries between native ungulates and feral horses may therefore influence the former via direct competition for shared resources and through enemy-mediated interactions like apparent competition. In several localities feral horses now co-exist with multiple native prey species, some of which are in decline or are species at risk. Compounding risks to native species from direct or indirect competitive exclusion by horses is the unique nature and socio-political context of feral horse management, which tends towards allowing horse populations to be limited largely by natural, density-dependent factors. We summarize the inherent asymmetries between feral horse biology and that of other ungulate prey species with consequences for conservation, focusing on predator-prey and emerging indirect interactions in multi-prey systems, and highlight future directions to address key knowledge gaps in our understanding of how feral horses may now be contributing to the (re)structuring of food webs. Observations of patterns of rapid growth and decline, and associated skews in sex ratios of feral horse populations, indicate a heightened potential for indirect interactions among large ungulate prey species, where there is a prevalence of feral horses as preferred prey, particularly where native prey are declining. In places like western North America, we expect predator-prey interactions involving feral horses to become an increasingly important factor in the conservation of wildlife. This applies not only to economically or culturally important game species but also at-risk species, both predators (e.g., wolves [Canis lupus], grizzly bears [Ursus arctos]) and prey (e.g., woodland caribou [Rangifer tarandus caribou]), necessitating an ecological understanding of the role of horses in natural environments that goes beyond that of population control. ? 2021 The Wildlife Society.  
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  Publisher John Wiley & Sons, Ltd Place of Publication Editor  
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  ISSN 0022-541x ISBN Medium  
  Area Expedition Conference  
  Notes https://doi.org/10.1002/jwmg.21995 Approved no  
  Call Number Equine Behaviour @ team @ Serial 6642  
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