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Baudry, L.; Leroy, D.; Chollet, D. |
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Title  |
The effect of combined self- and expert-modelling on the performance of the double leg circle on the pommel horse |
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Year |
2006 |
Publication |
Journal of Sports Sciences |
Abbreviated Journal |
J Sports Sci |
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Volume |
24 |
Issue |
10 |
Pages |
1055-1063 |
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Keywords |
Adolescent; Analysis of Variance; Child; *Expert Testimony; Feedback; Gymnastics/*physiology; Humans; *Leg/physiology; Movement/physiology; Physical Education and Training; Posture/physiology; Range of Motion, Articular/physiology; Retention (Psychology); *Video Recording |
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In this study, we investigated whether video modelling can enhance gymnasts' performance of the circle on a pommel horse. The procedure associated expert-modelling with self-modelling and quantitative performance analysis. Sixteen gymnasts were randomly assigned to one of two groups: (1) a modelling group, which received expert- and self-modelling, and performance feedback, or (2) a control group, which received no feedback. After five sessions of training, an analysis of variance with repeated measures indicated that the gains in the back, entry, front, and exit phases of the circle were greater for the modelling group than for the control group. During the training sessions, the gymnasts in the modelling group improved their body segmental alignment during the back phase more quickly than during the other phases. As predicted, although both groups performed the same number of circles (300 in 5 days, with 10 sequences of 6 circles), the modelling group improved their body segmental alignment more than the control group. It thus appears that immediate video modelling can help to correct complex sports movements such as the circle performed on the pommel horse. However, its effectiveness seemed to be dependent on the complexity of the phase. |
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CETAPS Laboratory, UPRES EA 3832, Faculty of Sports Sciences, Rouen University, Mont-Saint Aignan, France. ludovic_baudry@yahoo.fr |
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0264-0414 |
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PMID:17115520 |
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Equine Behaviour @ team @ |
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4026 |
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Author |
Breuer, K.; Sutcliffe, M.E.M.; Mercer, J.T.; Rance, K.A.; Beattie, V.E.; Sneddon, I.A.; Edwards, S.A. |
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Title |
The effect of breed on the development of adverse social behaviours in pigs |
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Journal Article |
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Year |
2003 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
84 |
Issue |
1 |
Pages |
59-74 |
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Pig; Breed; Harmful social behaviour; Ear-biting; Tail-biting; Tail-chew test |
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Tail-biting and other harmful social behaviours are a common problem on pig farms. The aims of the current experiment were (1) to investigate the genetic component of harmful social behaviours such as tail-biting by assessing breed differences, and (2) to further investigate the reliability and predictability of a test, [`]the tail-chew test', previously identified as potentially being capable of predicting a pig's predisposition for tail- and ear-biting. The behaviour of three pig breeds (Large White (LW), Landrace (LR), Duroc (DR)), with 100 pigs per breed, was observed in a [`]tail-chew test', and by observing the performance of harmful social behaviour directed to pen mates in flat deck pens after weaning. The tail-chew test, carried out on two consecutive days pre-weaning, involved observing the behaviour of individual pigs towards two suspended ropes. Pigs were weaned at 28 days and the occurrence of harmful social behaviour was recorded 4 weeks later over 2 consecutive days (1 h per day) using a group [`]period occurrence' scanning method. Breed had a significant effect on rope-directed behaviour in the tail-chew test and on harmful social behaviour. DR pigs interacted with the ropes in the tail-chew test more often (median 23.0 vs 19.0 and 17.5 times in 20 min, P<0.001) and for longer (31.0 vs 20.0 and 23.2 s, P<0.001) than LR and LW pigs, respectively. Although not significantly different from LW, DR pigs tended to direct more total harmful social behaviour towards pen mates than the other breeds. In particular, DR were observed in more total pig-directed biting of pen mates (median 9.0 vs 6.0 and 7.0, P<0.01) than LR and LW, and tended to nose pen mates more often than the other breeds (13.0 vs 11.0 and 10.0, P=0.06). LR pigs bit the ears of pen mates less often than LW and DR (4.0 vs 5.0 and 6.0, P<0.001). Belly-nosing activity was low, with a median of 0 for all breeds, but LR belly-nosed pen mates more often than Durocs (interquartile ranges 0-2.0 vs 0-1.0 and 0-1.0, P<0.01). The behaviour observed in the tail-chew test on day 1 correlated significantly with that observed on day 2 of the test (e.g. frequency of rope-directed behaviour rs=0.380,P<0.01). There were significant but weak correlations between rope-directed behaviour and the performance of some harmful social behaviours. The significant breed differences indicate some genetic contribution to expression of harmful social behaviours. However, the tail-chew test was found to be of limited ability to predict tail- and ear-biting under commercial conditions. |
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0168-1591 |
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Equine Behaviour @ team @ |
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4979 |
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Author |
McCall, C.A. |
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Title |
The effect of body condition of horses on discrimination learning abilities |
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Journal Article |
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Year |
1989 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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22 |
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3-4 |
Pages |
327-334 |
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Discriminative learning abilities were studied in 12 mature, malnourished horses. All horses initially received a condition score (CS) between 2 and 4 on a scale of 1 (poor) to 9 (extremely fat). Then horses were assigned to one of 3 treatments based on their eventual, rehabilitated CS during discrimination testing: thin, CS 1-3; moderate, CS 4-6; and fat, CS 7-9. The discrimination learning task was performed for 14 days with a maximum of 20 trials per day. Daily criterion was set at eight consecutively correct trails. Total trials to first criteria and total errors during testing were recorded. Analysis of variance showed that treatments did not differ (P>0.05) in total trials to first criterion, however horses on the fat treatment did have higher total error scores (P<0.05) than horses on the thin or moderate treatments. This difference was probably owing to lack of motivation in the fat treatment horses, rather than to true learning ability differences. The sex of the horse did not significantly affect either learning score. |
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Equine Behaviour @ team @ |
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3570 |
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Hampson, B. |
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The effect of a novel dynamic feeding system on horse behavior and movement |
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Conference Article |
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2012 |
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Proceedings of the 2. International Equine Science Meeting |
Abbreviated Journal |
Proc. 2. Int. Equine. Sci. Mtg |
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in press |
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Horses kept in small enclosures move very little in comparison to horses living in an unconfined environment. There are health consequences of this sedentary lifestyle. The use of GPS allows the accurate quantification of distance travelled by horses. Methods: Ten horses (5 pairs) were alternated between a control paddock and a research paddock, both measuring 20 x 30m. Grass hay was fed from a novel feeding system in the research paddock, while the same hay was fed from a standard hay feeder in the control paddock. In the research paddock access to hay was alternated at 5 min intervals between either side of a fence, forcing horses to walk around a walkway to access feed continuously. The interactive behavior of horses was observed and movement was monitored using GPS. Results: All 10 horses learnt to use the feeding system quickly. Dominance behavior in some horses was modified by competition for feed. On average, horses in the research paddock travelled 5.4 times more distance than in the control paddock. Conclusion: The dynamic feeding system was successful in encouraging horses to exercise in a small paddock. However, due to the exaggeration of dominance behavior in some horses, horses should be well matched if housed in pairs. This system may have application in the management of equine obesity and insulin resistance in horses. KW - |
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Corporate Author |
Hampson, B. |
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Xenophon Publishing |
Place of Publication |
Wald |
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Krueger, K. |
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978-3-9808134-26 |
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Equine Behaviour @ team @ |
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5527 |
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Nagy, K.; Bodó, G.; Bárdos, G.; Harnos, A.; Kabai, P. |
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The effect of a feeding stress-test on the behaviour and heart rate variability of control and crib-biting horses (with or without inhibition) |
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Journal Article |
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2009 |
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Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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121 |
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2 |
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140-147 |
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Stereotypic behaviour; Crib-biting; Modified Forssell's operation; Cribbing collar; Equine welfare; Stress coping |
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Crib-biting is a form of oral stereotypy affecting 4-5% of horses. Once fixed, crib-biting is difficult to eliminate by behaviour therapy, however, its performance can be inhibited by collar or surgery treatment (modified Forssell's procedure). Although surgical intervention is widespread, the effects on stress coping in horses have not been studied. In the present study we evaluated changes in behaviour response and heart rate variability in 9 control, 10 crib-biting, 10 collar and 11 surgically treated horses in a feeding stress-test, in which a feeding-bowl was placed in front but out of the reach of the horses, from which tidbits were given 3 times. We found that stress triggers high oral activity, mainly cribbing in crib-biting horses, elevates other forms of oral activities in the inhibited groups and does not affect oral activities of controls. Instead of performing oral activities, control horses tended to target an unavailable feeding-bowl by pawing or head-tossing. Changes in stress level were indistinguishable in controls and crib-biters as heart rate variability returned to baseline values in both groups. In contrast, horses inhibited to perform crib-biting showed elevated stress level throughout the test period. Our results suggest that crib-biting may develop to cope with stress, and such coping function diminishes when inhibited. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5091 |
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Author |
Outram, A.K.; Stear, N.A.; Bendrey, R.; Olsen, S.; Kasparov, A.; Zaibert, V.; Thorpe, N.; Evershed, R.P. |
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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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Author |
Young, H.P. |
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Title |
The dynamics of social innovation |
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2011 |
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Proceedings of the National Academy of Sciences |
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Proc. Natl. Acad. Sci. U.S.A. |
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108 |
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Supplement 4 |
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21285-21291 |
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10.1073/pnas.1100973108 |
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Equine Behaviour @ team @ |
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5940 |
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Hare, B.; Brown, M.; Williamson, C.; Tomasello, M. |
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The domestication of social cognition in dogs |
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2002 |
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Science (New York, N.Y.) |
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Science |
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298 |
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5598 |
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1634-1636 |
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Animals; *Animals, Domestic; *Behavior, Animal; *Cognition; *Cues; *Dogs; Food; Humans; Memory; Pan troglodytes; *Social Behavior; Species Specificity; Vision; Wolves |
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Dogs are more skillful than great apes at a number of tasks in which they must read human communicative signals indicating the location of hidden food. In this study, we found that wolves who were raised by humans do not show these same skills, whereas domestic dog puppies only a few weeks old, even those that have had little human contact, do show these skills. These findings suggest that during the process of domestication, dogs have been selected for a set of social-cognitive abilities that enable them to communicate with humans in unique ways. |
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Department of Anthropology, Harvard University, Cambridge, MA 02138, USA. bhare@fas.harvard.edu |
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1095-9203 |
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PMID:12446914 |
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refbase @ user @ |
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595 |
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Hunt, G.R.; Gray, R.D. |
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The crafting of hook tools by wild New Caledonian crows |
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2004 |
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Proceedings of the Royal Society B: Biological Sciences |
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Proc. Roy. Soc. Lond. B Biol. Sci. |
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271 |
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S88-S90 |
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The 'crafting' of tools involves (i) selection of appropriate raw material, (ii) preparatory trimming and (iii) fine, three-dimensional sculpting. Its evolution is technologically important because it allows the open-ended development of tools. New Caledonian crows manufacture an impressive range of stick and leaf tools. We previously reported that their toolkit included hooked implements made from leafy twigs, although their manufacture had never been closely observed. We describe the manufacture of 10 hooked-twig tools by an adult crow and its dependent juvenile. To make all 10 tools, the crows carried out a relatively invariant three-step sequence of complex manipulations that involved (i) the selection of raw material, (ii) trimming and (iii) a lengthy sculpting of the hook. Hooked-twig manufacture contrasts with the lack of sculpting in the making of wooden tools by other non-humans such as chimpanzees and woodpecker finches. This fine, three-stage crafting process removes another alleged difference between humans and other animals. |
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3526 |
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Westermann, K. |
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The contribution of horses (Equus caballus) to human health Requirements, stresses and strains, selection, training, compensation and rectification |
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Conference Article |
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Year |
2012 |
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Proceedings of the 2. International Equine Science Meeting |
Abbreviated Journal |
Proc. 2. Int. Equine. Sci. Mtg |
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in press |
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Therapiepferd, Anforderungen, Belastungsmomente, Auswahl, Training |
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For a longer time, I occupy myself in my profession as a veterinarian, with the requirements and strains of horses (Equus caballus) used to contribute human health. For the first time complex and interdisciplinary scientific investigations are made to draw conclusions from determined requirements and strains of so-called therapy horses in regard to an adequate selection and training as well as compensation of physical and psychic strains and rectification of these horses. Focusing the physical and psychic resources of horses as well, it becomes obvious, that a horse which received conventional training, compensation and rectification is neither adequately prepared for its task as a therapy horse, nor adequately escorted through its employment. Therefore it is time now for hippologists and veterinarians to promote a justifiable use of horses for therapy purposes by suitable means having in mind not only the efficiency of the intervention, but also the safety of clients, therapists and horses as well as our responsibility towards the horse and animal welfare in general. For a concept profitable for all participants, different, each other complementing modules are worked out. Based on an interdisciplinary exchange of know-how and interdisciplinary cooperation, the decisive elements of a comprehensive, targeted, requirement-oriented and horse-friendly training, compensation of the horse’s strains and rectification are outlined. |
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Westermann, W. |
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Xenophon Publishing |
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Wald |
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Krueger, K. |
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Equine Behaviour @ team @ |
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5538 |
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