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Author |
Visser, E. K.; Ellis, A.D.; Rijksen, L.; Van Reenen,C.G.; VanDierendonck,M. |
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Title |
Effect of training method on response of horses to a human approach test |
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Conference Article |
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Year |
2008 |
Publication |
IESM 2008 |
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Keywords |
Horse, training, welfare |
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The human-horse relationship forms an essential component in the diversity of todays use of horses. The reactions of horses to interactions with humans are mostly the result of interplay between their own temperament; the temperament and skills of the human and their previous experience – with humans. Moreover, the understanding of the human-horse relationship may improve the welfare of horses and humans. Nowadays, “sympathetic” training methods are gaining tremendous attention of horse owners. In the “sympathetic” training method the focus lies on the use of body language in human-horse communication, as well as respecting the horses natural needs. With 28 horses the effect of a “sympathetic” training method versus a conventional training method on the horse“s response on a human-approach test was studied. Fourteen horses of 3.5 years of age were subjected to a five week training period with a conventional training method, the other fourteen horses were subjected to a ”sympathetic“ training method. The overall frequency of snorting during the human approach tests decreased on average from 4.4 (± 1.1) before the training period to 3.1 (± 0.9) after the training period (both groups). However, there was a significant (p=0.006) difference between training methods: the horses trained in the ”sympathetic“ method decreased snorting by 4.3 (±1.1) while the horses trained in the conventional method increased with 1.5 (±0.9). While horses trained in the conventional method whinnied less in the second human approach test, horses trained in the ”sympathetic“ method whinnied more after the period of training. This difference was found to be significant (p=0.006). Defecating decreased over time, but was not different between training methods. The frequency of touching the unfamiliar handler increased over time for both training methods. The horses trained in a conventional method increased from 1.5 to 2.5 and for the sympathetic trained horses from 1.9 to 3.7. This increase was not significantly different for the training methods. Heart rate showed a minor decrease between the human approach tests (before training period 85.3 bpm, after training period 74.3 bpm) but there were no significant differences between training methods. Similarly, there was a slight increase in heart rate variability (rmssd: from 37.0 to 45.2), but no significant differences between training methods. Overal it was concluded that horses trained with this ”sympathetic“ method tended to be more trustful and less stressful in the presence of an (unfamiliar) human compared to horses trained with a conventional method. This may have been due to reduced stress during horse-human contact in the ”sympathetic" training method used. The long term effects on the welfare of the horses, still needs to be investigated. |
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Animal Sciences Group, Wageningen University and Research Centres, PO Box 65, 8200 AB Lelystad |
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Corporate Author |
Visser, E. K. |
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IESM 2008 |
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Poster IESM 2008 |
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yes |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4468 |
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Author |
Nagy, K.; Bodó, G.; Bárdos, G.; Harnos, A. |
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Title |
Is modified Forssell"s operation superior to cribbing collar in preventing crib-biting in horses? |
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Conference Article |
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Year |
2008 |
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IESM 2008 |
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Keywords |
stereotypic behaviour, heart-rate variability, stress, equine welfare |
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Crib-biting (wind-sucking) might be a coping response of the horses to the challenges of
uncontrolled environmental events. Prevention of this stereotypic behaviour evokes
physiological responses consistent with increased stress. Reducing the incidence of cribbiting,
however, is important in order to prevent undesirable physical and behavioural
consequences (tooth erosion, altered gut function, gastric inflammation/ulceration, colic, etc.).
Common treatment of crib-biting is the application of a cribbing collar, which limits the
flexion of the neck making this stereotypic movement uncomfortable and difficult. Another
method, the modified Forssell“s operation, is becoming more and more popular amongst the
horse owners. It is based on the removal of the muscles used in crib-biting (m.omohyoideus,
m.sternohyoideus, m.sternothyrohyoideus) and the ventral branches of the spinal accessory
nerves. Surveys on the success of this surgical procedure have revealed inconsistent results,
and, contrary to the cribbing collar, its effect on the stress level have not been studied either.
The aim of our study was to determine whether the modified Forssell”s procedure is superior
to the cribbing collar treatment.
Differences in stress management was tested by a crib-biting provoking test, in which
surgically treated horses, crib-biting horses, crib-biting horses with cribbing collar, and
normal horses (those showing no stereotypies), altogether 56 horses were compared. In this
test, a food bucket had been placed out of the reach of the animal, from which titbits were
given 3 times. Behaviour and heart rate variability (HRV) of the horses were recorded and
analysed throughout the test. Hypotheses were tested by linear mixed model.
According to our results, both prevention methods (collar or surgery) inhibited crib-biting
successfully though not totally. Regarding behaviour and heart rate variability, horses
prevented from crib-biting (by collar or surgery) differed significantly from crib-biting and
normal horses but not from each other.
Normal horses were usually trying to reach the food-bucket while present and were standing
still afterwards, whereas the other three groups had not really made efforts to reach the
bucket, spent less time with resting, and performed or tried crib-biting. During the stress-test,
normal and crib-biting horses had shown good stress-adaptation to the challenge since their
HRV, after an initial increase, returned to the basal value by the end. On the contrary, HRV of
the two prevented groups remained elevated and showed large oscillations throughout. They
had not found a successful coping behaviour either.
Our results suggest that since prevention may significantly increase distress, the treatment in
itself, without changing the motivation of the horse to perform the replacement behaviour – it
seems to be unsatisfactory and insufficient. After prevention the motivation of the horse to
perform crib-biting should be addressed. In addition, considering that prevention by collar and
surgery had not resulted in any significant behavioural or physiological differences, the
superiority of the modified Forssell"s procedure might be questioned. However, the surgery
might be recommended if treatment with collar is ineffective. |
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Szent István University, Faculty of Veterinary Sciences, Budapest, István u. 2, H-1078, Hungary;Eötvös Loránd University, Department of Physiology and Neurobiology, Budapest, Pázmány P. stny. 1/C, H-1117, Hungary |
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Corporate Author |
Nagy, K. |
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IESM 2008 |
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Notes |
Talk 15 min IESM 2008 |
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yes |
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Call Number |
Equine Behaviour @ team @ |
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4492 |
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Author |
Krueger, K. (ed) |
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Title |
Proceedings of the International Equine Science Meeting 2008 |
Type |
Conference Volume |
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Year |
2008 |
Publication |
IESM 2008 |
Abbreviated Journal |
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Keywords |
Equine Ecology; Equine Sociality; Equine Learning; Equine Cognition; Equine Welfare |
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Abstract |
Target group: Biologists, Psychologists, Veterinarians and Professionals
Meeting target: Because the last international meeting on Equine Science took place a couple years ago, there is an urgent need for equine scientists to exchange scientific knowledge, coordinate research provide knowledge for practical application, and discus research results among themselves and with professionals who work with horses. Additionally, dialog concerning the coordination of the study “Equitation Science” in Europe is urgently needed. Coordination and cooperation shall arise from the meeting, enrich the research, and advance the application of scientific knowledge for the horses` welfare. |
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Xenophon Verlag |
Place of Publication |
Wald |
Editor |
Krueger, K. |
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English |
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978-3-9808134-0-2 |
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no |
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Equine Behaviour @ team @ |
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4508 |
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Author |
Björk, N. |
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Title |
Is it possible to measure the welfare of the ridden horse? |
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2008 |
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Keywords |
horse, welfare, training, learning, measure, assess |
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Since the time of domestication, humans have trained horses for the purpose of serving man. Different training methods have been developed throughout the centuries; some were developed with consideration for the horse's welfare, while others disregarded welfare to a great extent. Most present day training is based upon making the horse perform a desired behaviour through dominance and subordination. Although cooperative training techniques have gained popularity, everyday training lacks the application of learning theory or neglects the horse's learning capacities and their species' specific behaviour. Thus, the horse's welfare may be jeopardised.
The aim with this review is to consider methods that allow an objective assessment of the welfare of horses undergoing training. The review gives a brief insight into the history of horse training and handling. It proceeds with an overview of the horse"s learning abilities which is argued to be of paramount importance for effective training. The review then describes a few selected training techniques that are used today, based on negative and positive reinforcement, and discusses parameters from which it could be possible to assess the welfare of the ridden horse. The work concludes with suggestion for future |
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Bachelor's thesis |
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Equine Behaviour @ team @ |
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4749 |
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Author |
Hartmann, E. |
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Title |
Managing horses in groups to improve horse welfare and human safety |
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Manuscript |
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2010 |
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equine, behaviour, welfare, housing, mixing, aggression, injury, separation, habituation, learning |
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Managing horses in groups to improve horse welfare and human safety
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reactions to mixing and separation
Hartmann, Elke (2010) Managing horses in groups to improve horse welfare and human safety . Doctoral diss. Dept. of Animal Environment and Health, SLU. Acta Universitatis agriculturae Sueciae vol. 2010:87.
Full text available as:
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Abstract
The aim of this thesis was to investigate whether specific anecdotal concerns related to keeping horses in groups are supported by science and, if so, provide scientifically based recommendations that could be implemented in practice.
The aim of studies I and II was to identify methods for mixing unfamiliar horses that could minimise aggressive interactions and associated risk of injury. Results of study I revealed that pre-exposure of young horses in neighbouring boxes tended to lower contact-aggression (e.g. kicks, strikes) and biting behaviour in particular was reduced when the same pair of horses subsequently met in a paddock. This was not found when older horses were mixed (study II). Aggressive behaviour received by a new horse was not significantly different in meetings when it met one other horse compared to meeting two unfamiliar horses at the same time.
Removing a horse from a group of four in study III was generally unproblematic. Most horses approached the handler when she was catching the horse and while standing with it in the middle of the paddock. Thus, potential risk may be higher in situations when the handler remains relatively stationary, as other horses of the group have time to approach. Rank did not influence the number of horses following to the paddock gate and interactions between horses were rare.
Since horses naïve to social separation may be more difficult to handle away from the group, the objective in study IV was to investigate whether the initial presence of a companion horse would modify responses to separation. Results revealed no significant differences in heart rates and the number of training sessions required when the horses were subsequently trained in the absence of the partner compared to horses trained alone from the start.
In summary, results give little support for the original areas of concerns about mixing and separating horses. Risk of injury to both horses and humans should not be overestimated when handling horses in groups, but being aware of potential risk situations and being able to react accordingly is likely to increase horse welfare and human safety.
Faculty: Faculty of Veterinary Medicine and Animal Science
Keywords:
equine, behaviour, welfare, housing, mixing, aggression, injury, separation, habituation, learning
Agrovoc terms:
horses, behaviour, bites, injurious factors, animal learning, animal welfare, sweden
ISBN: 978-91-576-7532-3
Series.: Acta Universitatis agriculturae Sueciae
ISSN: 1652-6880
Volume: 2010:87
Papers/manuscripts:
I. Hartmann, E., Winther Christensen, J., Keeling, L.J. (2009). Social interactions of unfamiliar horses during paired encounters: Effect of pre-exposure on aggression level and so risk of injury. Applied Animal Behaviour Science 121, 214-221.
II. Hartmann, E., Rundgren, M., Keeling, L.J. (in press). Comparison of 3 methods for mixing unfamiliar horses (Equus caballus). Journal of Equine Veterinary Behavior: Clinical Applications and Research.
III. Hartmann, E., Søndergaard, E., Keeling, L.J. Identifying potential risk situations for humans when removing horses from groups. Manuscript.
IV. Hartmann, E., Christensen, J.W., Keeling, L.J. (in press). Training young horses to social separation: Effect of a companion horse on training efficiency. Equine Veterinary Journal.
Number of pages: 75
Year of publication: 2010
Language: eng
ID Code: 2396
Deposited By: Hartmann, Elke
Deposited On: 08 November 2010 |
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Dept. of Animal Environment and Health, SLU. Acta Universitatis agriculturae Sueciae |
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Ph.D. thesis |
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Equine Behaviour @ team @ |
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5307 |
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Siniscalchi, M.; Sasso, R.; Pepe, A.M.; Dimatteo, S.; Vallortigara, G.; Quaranta, A. |
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Sniffing with the right nostril: lateralization of response to odour stimuli by dogs |
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Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
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In Press, Corrected Proof |
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animal welfare; Canis familiaris; dog; emotion; laterality olfaction; physiology |
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Lateralization in dogs, Canis familiaris, has been reported for paw usage and response to visual and acoustic stimuli. Surprisingly, however, no investigation of possible lateralization for the most relevant sensory domain of dogs, namely olfaction, has been carried out. Here we investigated left and right nostril use in dogs freely sniffing different emotive stimuli in unrestrained conditions. When sniffing novel nonaversive stimuli (food, lemon, vaginal secretion and cotton swab odours), dogs showed initial preferential use of the right nostril and then a shift towards use of the left nostril with repeated stimulus presentation. When sniffing arousal stimuli such as adrenaline and veterinary sweat odorants, dogs showed a consistent right nostril bias all over the series of stimulus presentations. Results suggest initial involvement of the right hemisphere in processing of novel stimuli followed by the left hemisphere taking charge of control of routine behaviour. Sustained right nostril response to arousal stimuli appears to be consistent with the idea that the sympathetic hypothalamic-pituitary-adrenal axis is mainly under the control of the right hemisphere. The implications of these findings for animal welfare are discussed. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5394 |
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Author |
Zucca, P.; Cerri, F.; Carluccio, A.; Baciadonna, L. |
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Title |
Space availability influence laterality in donkeys (Equus asinus) |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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In Press, Uncorrected Proof |
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Cerebral lateralization; Donkey; Footedness; Welfare; Equus asinus |
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Cerebral lateralization is the portioning of the cognitive functions between the two cerebral hemispheres. Several factors, like embryological manipulations, light exposure, health conditions, sex and age can influence the left-right brain asymmetries and contribute to increasing the variability in the strength and direction of laterality within most species. We investigated the influence of an environmental constraint, namely space availability, as a new source of variation on laterality in an adult vertebrate model, the donkey. In a baseline condition we tested whether donkeys show a motor lateralization bias at population level, while in an experimental condition we manipulated space availability to verify if a reduction in this parameter could represent a new source of variation in laterality. Results show that donkeys are lateralized at population level with a strong bias to standing with the right forelimb advanced over the left and that a reduction of space availability is an important source of variation in the laterality strength and direction within this species. The comparative analysis of the environmental and developmental factors that give origin to neural and behavioural laterality in animal models will be very important for a better understanding of the evolutionary origin of such multifaceted phenomenon. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5400 |
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Author |
Hartmann, E.; Søndergaard, E.; Keeling, L.J. |
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Title |
Keeping horses in groups: A review |
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Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Equine; Behaviour; Welfare; Housing; Social |
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Although husbandry conditions for horses have improved over the last decades, many horses are still kept singly with limited or no physical contact to other horses. This is surprising, given the fact that keeping horses in groups is recognised best to fulfil their physical and behavioural needs, especially their need for social contact with conspecifics, as well as to have a beneficial effect on horse–human interactions during training. Group housing of farm animals is widely applied in practice. As a consequence, scientists have investigated numerous aspects of group housing to help further improve animal welfare and human–animal interactions under these conditions. However, compared to this literature available in farm animals, and the plentiful studies conducted of feral horse populations, there is much less done when it comes to the management of horses kept in groups in the domestic environment. In particular, limited scientific information is available into the effect of group size and group composition on behaviour and methods of introducing new horses into established groups, even though problems related to social integration are repeatedly taken as arguments against keeping horses in groups. This review, therefore, aims to provide an overview of the current scientific knowledge regarding keeping horses in groups. Furthermore, it aims to give insight into whether or not some of the concerns related to keeping horses in groups are justified and to review scientifically based solutions that could be useful in practice to improve horse welfare and human safety. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5490 |
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Author |
Hausberger, M.; Fureix, C. |
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On the significance of puzzling behaviours: what do yawning and adult play tell us about horse (Equus caballus) welfare? |
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Conference Article |
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2012 |
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Proceedings of the 2. International Equine Science Meeting |
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Proc. 2. Int. Equine. Sci. Mtg |
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in press |
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welfare indicators, yawning, adult play, altered welfare, horse |
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Some behaviours remain a mystery and their determinants are still uncertain. Here we propose a critical interpretation of two puzzling behaviours, i.e. yawning and adult play, recorded in large samples of domestic horses kept in sub-optimal conditions (e.g. time-restricted feeding practices, social isolation). Yawning is involved in behavioural state changes, especially in quiet contexts of motor relaxation, but seems also to be triggered by stress and emotional contexts. Thus, we investigated specific correlates of yawning and stereotypic behaviours in two large samples of working horses (n1 = 87, n2 = 59). A clear co-occurrences of yawning and stereotypic behaviours appeared: stereotypic horses yawned more than the non-stereotypic horses (Fisher test, p < 0.02), yawning increased at the same time periods as stereotypic behaviours did (Wilcoxon tests, p < 0.05 to 0.001) and yawning frequency was even sometimes positively correlated with stereotypic behaviour frequencies (Spearman correlations, p < 0.005). Play, more typical of young stages in healthy individuals, occurs rarely at adult stages but then more often in captive/domestic animals (which can be challenging to welfare) than in animals living in natural conditions. Thus, we tested the hypothesis that adult play may reflect altered welfare states in horses, where, as in several species, play rarely occurs at adult stages in natural conditions. We observed the behaviour (in particular social play) of 29 adult riding school horses during occasional outings in a paddock and measured several stress indicators (health-related, behavioural and physiological) when these horses were in their home individual boxes. Results revealed that the number of horses and rates of adult play appeared very high compared to field report data and that most stress indicators measured differed between “players” and “non-players”, revealing that most “playful” animals were more prone to suffer from chronic stress contrarily to “non-playful” horses (Fisher, Chi-square, Mann-Whitney and Spearman correlation tests, p < 0.05 to 0.001). Altogether, these results show that yawning and adult play can both reflect altered welfare states in horses, highlighting that these puzzling behaviours should not be considered, as currently thought, as reliable indicators of good welfare states and / or expression of positive emotions. |
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Corporate Author |
Hausberger, M. |
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Xenophon Publishing |
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Wald |
Editor |
Krueger, K. |
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978-3-9808134-26 |
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Equine Behaviour @ team @ |
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5516 |
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König von Borstel, U.; Kienapfel, K.; McLean, A.; Wilkins, C.; Evans, D.; McGreevy, P. |
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Title |
Hyperflexing the horse‘s neck: a cost-benefit and meta-analysis |
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Conference Article |
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Year |
2015 |
Publication |
Proceedings of the 3. International Equine Science Meeting |
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Proc. 3. Int. Equine. Sci. Mtg |
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horse, head-and-neck posture, hyperflexion, welfare, gymnastics |
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Abstract |
In ethical discussions, a cost-benefit analysis requires that welfare costs associated with an activity can be reliably estimated and balanced against the potential benefits of the activity to both humans and animals. The current study applies a meta-analysis to the peer-reviewed evidence for costs and benefits of hyperflexion of the neck in horses; a practice that has attracted enormous public and scientific scrutiny over the past 15 years. A literature review identified 55 studies dealing with horses’ head and neck postures. Fourty-two of these studies examined the impact of various postures on equine welfare, for example, by assessing behavior, physiological stress parameters, health or rider-horse interaction. Thirty-five studies examined the impact of various postures on gymnastics (e.g. kinematics, shifts in weight distribution, muscle activity, airway functioning or overall workload). For the meta-analysis a dataset containing information from each of the individual studies was created. Data included information such as type, degree, duration and circumstances of hyperflexion applied in that particular study as well as information on the horses (e.g., sport discipline, level of training, breed) and on the study design (e.g., size of study and experimental or epidemiological research design). The results of the study regarding the impact of hyperflexion on a) welfare and b) gymnastics were coded as positive (1), insignificant or contradictory (0) or negative (-1). The significant majority of studies (88%) concluded that a hyperflexed head and neck posture negatively impacts welfare. Just one study suggested welfare advantages of training in a hyperflexed head and neck posture. An analysis using a generalized linear mixed model to assess the influence of the above factors collated in the dataset revealed that none of these factors significantly influenced the probability of a study to detect negative welfare implications. Thus hyperflexing the neck appears to impair horses’ welfare regardless of, for example, the duration or the way of achieving hyperflexion. A concurrent assessment of the evidence for gymnastic benefits showed that approximately one quarter of studies conclude that there may be benefits, while another quarter of the studies conclude that hyperflexion has detrimental effects on gymnastics. Thus, on the costs-side there is a clear reduction in equine welfare and some undesirable gymnastic effects, as well as likely a compromised profile of the equestrian sports in public. Benefits, on the other hand, include some desirable gymnastic effects, and potentially increased control of the horse for the rider. On balance, it appears that the costs associated with hyperflexion exceed the potential benefits of the activity to both humans and horses. |
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König von Borstel, U. |
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Equine Behaviour @ team @ |
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5872 |
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