Records |
Author |
Henry, S.; Richard-Yris, M.-A.; Hausberger, M. |
Title |
Influence of various early human-foal interferences on subsequent human-foal relationship |
Type |
Journal Article |
Year |
2006 |
Publication |
Developmental psychobiology |
Abbreviated Journal |
Dev Psychobiol |
Volume |
48 |
Issue |
8 |
Pages |
712-718 |
Keywords |
Animal Husbandry/methods; Animals; Animals, Newborn/*psychology; Animals, Suckling/*psychology; Behavior, Animal; Female; *Handling (Psychology); Horses/*psychology; Humans; Mothers/psychology; *Object Attachment; Species Specificity |
Abstract |
Whereas the way animals perceive human contact has been particularly examined in pet animals, a small amount of investigations has been done in domestic ungulates. It was nevertheless assumed that, as pet animals, non-aggressive forms of tactile contact were as well rewarding or positive for these species, even though the features of intraspecific relationships in pet animals and domestic ungulates may be to some extent different.We test here the hypothesis that horses may not consider physical handling by humans as a positive event. When comparing different early human-foal interactions, we found that early exposure to a motionless human enhanced slightly foals reactions to humans whereas forced stroking or handling in early life did not improve later human-foal relation. Foals that were assisted during their first suckling (e.g., brought to the dam's teat) even tended to avoid human approach at 2 weeks, and physical contact at 1 month of age.We argue that interspecies differences may exist in how tactile stimulation is perceived. It may be important for the establishment of a bond that a young animal is active in the process and able, through its behavioral responses, to help define what is positive for it. This way of investigation may have important general implications in how we consider the development of social relations, both within and between species. |
Address |
UMR CNRS 6552, Ethologie-Evolution-Ecologie, Universite de Rennes 1, Avenue du General Leclerc, Campus de Beaulieu, F-35042 Rennes Cedex, France. severine.henry@univ-rennes1.fr |
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0012-1630 |
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PMID:17111402 |
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no |
Call Number |
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Serial |
1781 |
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Author |
Larose, C.; Richard-Yris, M.-A.; Hausberger, M.; Rogers, L.J. |
Title |
Laterality of horses associated with emotionality in novel situations |
Type |
Journal Article |
Year |
2006 |
Publication |
Laterality |
Abbreviated Journal |
Laterality |
Volume |
11 |
Issue |
4 |
Pages |
355-367 |
Keywords |
Affect/*physiology; Animals; Brain/*physiology; Female; Functional Laterality/*physiology; Horses; Male; *Social Behavior; *Social Environment |
Abstract |
We have established that lateral biases are characteristic of visual behaviour in 65 horses. Two breeds, Trotters and French Saddlebreds aged 2 to 3, were tested on a novel object test. The main finding was a significant correlation between emotionality index and the eye preferred to view the novel stimulus: the higher the emotionality, the more likely that the horse looked with its left eye. The less emotive French Saddlebreds, however, tended to glance at the object using the right eye, a tendency that was not found in the Trotters, although the emotive index was the same for both breeds. The youngest French Saddlebreds did not show this trend. These results are discussed in relation to the different training practices for the breeds and broader findings on lateralisation in different species. |
Address |
Universite de Rennes 1, France |
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English |
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ISSN |
1357-650X |
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Notes |
PMID:16754236 |
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no |
Call Number |
Equine Behaviour @ team @ room B 3.029 |
Serial |
1826 |
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Author |
Hausberger, M.; Bruderer, C.; Le Scolan, N.; Pierre, J.-S. |
Title |
Interplay between environmental and genetic factors in temperament/personality traits in horses (Equus caballus) |
Type |
Journal Article |
Year |
2004 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J Comp Psychol |
Volume |
118 |
Issue |
4 |
Pages |
434-446 |
Keywords |
*Affect; Animals; Behavior, Animal/*physiology; *Environment; Female; Horses/*psychology; Learning; Male; Memory/physiology |
Abstract |
The aim of the present study was to broach the question of the relative influence of different genetic and environmental factors on different temperament/personality traits of horses (Equus caballus). The researchers submitted 702 horses to standardized experimental tests and investigated 9 factors, either genetic or environmental. Genetic factors, such as sire or breed, seemed to influence more neophobic reactions, whereas environmental factors, such as the type of work, seemed to play a more dominant role in reactions to social separation or learning abilities. Additive effects were evident, showing how environmental factors may modulate behavioral traits. This study constitutes a first step toward understanding the relative weights of genetic factors and how the environment may intervene in determining individual behavioral characteristics. |
Address |
Ethologie-Evolution-Ecologie, Universite de Rennes 1, Rennes, France. Martine.Hausberger@univ-rennes1.fr |
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Washington, D.C. : 1983 |
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English |
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Edition |
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ISSN |
0735-7036 |
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PMID:15584780 |
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no |
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Serial |
1897 |
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Author |
Basile, M.; Boivin, S.; Boutin, A.; Blois-Heulin, C.; Hausberger, M.; Lemasson, A. |
Title |
Socially dependent auditory laterality in domestic horses (Equus caballus) |
Type |
Journal Article |
Year |
2009 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
Volume |
12 |
Issue |
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Pages |
611-619 |
Keywords |
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Abstract |
Laterality is now known to be an ubiquitous phenomenon among the vertebrates. Particularly, laterality of auditory processing has been demonstrated in a variety of species, especially songbirds and primates. Such a hemispheric specialization has been shown to depend on factors such as sound structure, species specificity and types of stimuli. Much less is known on the possible influence of social familiarity although a few studies suggest such an influence. Here we tested the influence of the degree of familiarity on the laterality of the auditory response in the domestic horse. This species is known for its social system and shows visible reactions to sounds, with one or two ears moving towards a sound source. By comparing such responses to the playback of different conspecific whinnies (group member, neighbor and stranger), we could demonstrate a clear left hemisphere (LH) preference for familiar neighbor calls while no preference was found for group member and stranger calls. Yet, we found an opposite pattern of ear side preference for neighbor versus stranger calls. These results are, to our knowledge, the first to demonstrate auditory laterality in an ungulate species. They open further lines of thought on the influence of the social “value” of calls and the listener's arousal on auditory processing and laterality. |
Address |
Universite de Rennes I, EthoS, Ethologie animale et humaine-UMR 6552-CNRS Station Biologique de Paimpont, 35380, Paimpont, France, basilemuriel@hotmail.com |
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1435-9456 |
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PMID:19283416 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4761 |
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Author |
De Boyer Des Roches, A.; Richard-Yris, M.-A.; Henry, S.; Ezzaouia, M.; Hausberger, M. |
Title |
Laterality and emotions: visual laterality in the domestic horse (Equus caballus) differs with objects' emotional value |
Type |
Journal Article |
Year |
2008 |
Publication |
Physiology & Behavior |
Abbreviated Journal |
Physiol. Behav. |
Volume |
94 |
Issue |
3 |
Pages |
487-490 |
Keywords |
Animals; Animals, Newborn; Behavior, Animal/physiology; Dominance, Ocular/*physiology; *Emotions; Exploratory Behavior/physiology; Female; Horses/*physiology; Olfactory Pathways/physiology; Pattern Recognition, Visual/*physiology; Photic Stimulation; Pregnancy; Statistics, Nonparametric; Visual Fields/physiology |
Abstract |
Lateralization of emotions has received great attention in the last decades, both in humans and animals, but little interest has been given to side bias in perceptual processing. Here, we investigated the influence of the emotional valence of stimuli on visual and olfactory explorations by horses, a large mammalian species with two large monocular visual fields and almost complete decussation of optic fibres. We confronted 38 Arab mares to three objects with either a positive, negative or neutral emotional valence (novel object). The results revealed a gradient of exploration of the 3 objects according to their emotional value and a clear asymmetry in visual exploration. When exploring the novel object, mares used preferentially their right eyes, while they showed a slight tendency to use their left eyes for the negative object. No asymmetry was evidenced for the object with the positive valence. A trend for an asymmetry in olfactory investigation was also observed. Our data confirm the role of the left hemisphere in assessing novelty in horses like in many vertebrate species and the possible role of the right hemisphere in processing negative emotional responses. Our findings also suggest the importance of both hemispheres in the processing positive emotions. This study is, to our knowledge, the first to demonstrate clearly that the emotional valence of a stimulus induces a specific visual lateralization pattern. |
Address |
UMR CNRS 6552 Ethologie-Evolution-Ecologie, Universite de Rennes 1, Avenue du General Leclerc, Campus de Beaulieu, F-35042 Rennes Cedex, France. a.de-boyer@wanadoo.fr |
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0031-9384 |
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PMID:18455205 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4762 |
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Author |
Hausberger, M.; Fureix, C.; Bourjade, M.; Wessel-Robert, S.; Richard-Yris, M.-A. |
Title |
On the significance of adult play: what does social play tell us about adult horse welfare? |
Type |
Journal Article |
Year |
2012 |
Publication |
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Abbreviated Journal |
Naturwissenschaften |
Volume |
99 |
Issue |
4 |
Pages |
291-302 |
Keywords |
Social play; Stress indicators; Animal welfare; Domestic horse |
Abstract |
Play remains a mystery and adult play even more so. More typical of young stages in healthy individuals, it occurs rarely at adult stages but then more often in captive/domestic animals, which can imply spatial, social and/or feeding deprivations or restrictions that are challenging to welfare, than in animals living in natural conditions. Here, we tested the hypothesis that adult play may reflect altered welfare states and chronic stress in horses, in which, as in several species, play rarely occurs at adult stages in natural conditions. We observed the behaviour (in particular, social play) of riding school horses during occasional outings in a paddock and measured several stress indicators when these horses were in their individual home boxes. Our results revealed that (1) the number of horses and rates of adult play appeared very high compared to field report data and (2) most stress indicators measured differed between ‘players’ and ‘non-players’, revealing that most ‘playful’ animals were suffering from more chronic stress than ‘non-playful’ horses. Frequency of play behaviour correlated with a score of chronic stress. This first discovery of a relationship between adult play and altered welfare opens new lines of research that certainly deserves comparative studies in a variety of species. |
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Springer-Verlag |
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0028-1042 |
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Equine Behaviour @ team @ |
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5649 |
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Author |
Hausberger, M.; Muller, C. |
Title |
A brief note on some possible factors involved in the reactions of horses to humans |
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Journal Article |
Year |
2002 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
76 |
Issue |
4 |
Pages |
339-344 |
Keywords |
Horses; Aggressiveness; Behavioural reactions; Human-animal relationship |
Abstract |
In order to investigate relationships of adult horses to humans, we developed a simple evaluation test and scores based on observations. The first reactions of 224 adult horses to the presence of an experimenter were observed and scored. All these horses belonged to the same riding school, had the same general housing conditions and were all geldings. The evaluation was based on the horse's posture. Individual differences that could be related to some extent to the breed but also to human factors emerged clearly. French saddlebreds showed more often friendly behaviour than Angloarabs, whereas thoroughbreds were more indifferent. Clear variations occurred between groups of horses that depended on different caretakers. In this school, one caretaker is responsible for the whole daily management of a group of horses and is probably a very important factor in their well-being. The effects of this daily relation to a human seemed to be involved in the reactions to a strange person. Further studies are required to investigate what, in practice, may be determinant. |
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refbase @ user @ |
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329 |
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Author |
Henry, S.; Hemery, D.; Richard, M.-A.; Hausberger, M. |
Title |
Human-mare relationships and behaviour of foals toward humans |
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Journal Article |
Year |
2005 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
93 |
Issue |
3-4 |
Pages |
341-362 |
Keywords |
Horse; Human-animal relationship; Maternal influence; Early experience; Social facilitation |
Abstract |
We studied experimentally whether horse dams influenced foals' relationships with humans. We investigated the influence of the establishment of positive human-mare relationships on foals' behaviour toward humans. Forty-one foals and their dams were involved in this experiment. Half of the mares were softly brushed and fed by hand during a short period (total of 1.25 h) during the first 5 days of their foals' lives (experimental group, n = 21). The other mares were not handled experimentally and their foals received no contact with the experimenter (control group, n = 20). The reactions of both experimental and control foals were recorded under various conditions, first, for 5 min in the presence of a motionless experimenter, when foals were 15 and 30-35 days old, then in an approach test when they were 15 days old and in a saddle-pad tolerance test when they were 30-35 days old. Finally, approach-stroking tests were performed successively by the familiar experimenter when foals were 11-13 months old and by an unfamiliar person when they were 13-15 months old. Several observations strongly suggest that mares can influence their foals' behaviour toward humans: (1) during the handling procedure, experimental foals of protective mares were further from the handler than foals of calm mares (p < 0.001); (2) experimental foals remained, at all ages, closer to the experimenter (p < 0.05) and initiated more physical contacts (sniffing, licking, etc.) with the experimenter (p < 0.05) than control foals; (3) avoidance and flight responses of experimental foals were considerably reduced during approaches by the experimenter (p < 0.01) and they accepted saddle-pads on their backs more easily (p < 0.01) and more quickly (p < 0.01) than control foals. Lastly, the consequences of handling mares had effects that lasted at least until foals were one year old (p < 0.05) and became generalized from experimenter to unfamiliar humans, who could approach and stroke experimental foals rapidly during a test (p < 0.05). This is the first report of an attempt to use observation of mother by foals to facilitate human-foal relationships. The procedure is simple, takes little time and can easily be applied to any dam-foal pair, as it is not intrusive and presents no risks of disrupting mare-foal bonds. |
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refbase @ user @ |
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331 |
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Author |
Wolff, A.; Hausberger, M. |
Title |
Learning and memorisation of two different tasks in horses: the effects of age, sex and sire |
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Journal Article |
Year |
1996 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
46 |
Issue |
3-4 |
Pages |
137-143 |
Keywords |
Horse; Learning; Memory; Instrumental task; Spatial task |
Abstract |
Learning and memory abilities of 1-3 year old horses were assessed using instrumental and spatial tasks. No important differences were observed in the success of learning of the instrumental task (chest opening) according to sex or age. Younger females, however, seemed to learn more quickly. The offspring of a particular stallion were slower to learn than other horses. All horses memorised this task and opened the chest in a very short time in the second session. The animals that learned the task easily were not necessarily faster in the memorisation test. In the spatial task, learning ability did not seem to be related to age but more females than males were successful. The offspring of one stallion were more successful than other horses. Only 76% of the horses succeeded in the memorisation test, independently of age or sex. No correlation was found between the tasks in the latencies of either the learning or the memorisation tests for the same horses. The instrumental and spatial tasks may involve different processes. |
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refbase @ user @ |
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855 |
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Author |
Le Scolan, N.; Hausberger, M.; Wolff, A. |
Title |
Stability over situations in temperamental traits of horses as revealed by experimental and scoring approaches |
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Journal Article |
Year |
1997 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
Volume |
41 |
Issue |
3 |
Pages |
257-266 |
Keywords |
Behavioural tests; Horse; Ratings; Temperament |
Abstract |
Individual behavioural reactions of adult horses in a variety of experimental tests were compared with ratings by riding teachers. The tests were made in a non working situation, with the animals being released in an arena, a box (arena test, new object test, learning tests) or handled (new object/handling situation). The traits rated by teachers were fearfulness, nervousness, gregariousness and learning abilities at work (ridden or handled). Despite a great homogeneity in the reactions exhibited by the horses in the different situations, large individual differences were present. Correlations appeared between the reactivity in the arena test and the score of gregariousness, between the reactivity in the novel object test and the rating of nervousness when ridden, between the results in the handling test and the rating of general fearfulness and between the ability to memorise an instrumental task and the score of general learning ability. Such results strengthen the idea that there are underlying behavioural dispositions that are stable across situations and that the experimental tests may be good predictors of the temperament in untrained animals. |
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Equine Behaviour @ team @ |
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3591 |
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