| Records |
| Author |
Chaplin, S.J.; Gretgrix, L. |
| Title |
Effect of housing conditions on activity and lying behaviour of horses |
Type |
Journal Article |
| Year |
2010 |
Publication |
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Abbreviated Journal |
animal |
Volume  |
4 |
Issue |
5 |
Pages |
792-795 |
| Keywords |
lying, behaviour, activity, equine, housing |
| Abstract |
Housing conditions for horses impose various levels of confinement, which may compromise welfare. Lying behaviour and activity can be used as welfare indicators for domestic animals and rebound behaviour suggests a build-up of motivation resulting from deprivation. The objective of this study was to determine if activity and lying behaviour of horses are affected by housing conditions and to investigate the occurrence of rebound behaviour after release from confinement. Eight horses were subjected, in pairs, to each of four experimental treatments; paddock (P), fully stabled (FS), partly stabled (PS) and yard (Y). Each horse received 6 days acclimatisation prior to the 24 h recording period. Time spent in lying and activity were electronically recorded using a tilt switch and motion sensor connected to a data logger worn on the horse's left foreleg. Time spent active during the first 5 min of release from stable to paddock in the PS treatment (days 1 and 5) and at the same time of day in the P treatment was used as a measure of rebound behaviour. Effect of housing conditions on total time spent active was highly significant (FS = 123 s, PS = 158 s, Y = 377 s, P = 779 s, P < 0.001). Housing conditions did not significantly affect total time spent lying (P = 0.646). Horses were significantly more active, compared with baseline paddock behaviour, on release from stabling on both days 1 (P = 0.006) and 5 (P = 0.025) of PS treatment. These results suggest that activity patterns of horses, but not lying behaviour, are affected by the housing conditions tested and that rebound activity occurs in horses after a period of confinement. |
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Cambridge University Press |
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Edition |
2010/01/21 |
| ISSN |
1751-7311 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6603 |
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| Author |
Tyler, S.J. |
| Title |
The behaviour and social organisation of the new Forest ponies |
Type |
Journal Article |
| Year |
1972 |
Publication |
Animal Behaviour Monograph |
Abbreviated Journal |
Anim. Behav. Monogr. |
| Volume |
5 |
Issue |
2 |
Pages |
85-196 |
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refbase @ user @; Equine Behaviour @ team @ room B 3.029 |
Serial |
719 |
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| Author |
Tomkins, L.M.; McGreevy, P.D.; Branson, N.J. |
| Title |
Lack of standardization in reporting motor laterality in the domestic dog (Canis familiaris) |
Type |
Journal Article |
| Year |
2010 |
Publication |
Journal of Veterinary Behaviour |
Abbreviated Journal |
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| Volume |
5 |
Issue |
5 |
Pages |
235-239 |
| Keywords |
dog; motor laterality; lateralization; paw preference; standardization |
| Abstract |
Over the past 2 decades, numerous studies have been undertaken to assess motor laterality in the domestic dog. In anticipation of growth in this area of enquiry, we decided to review the literature on canine motor biases to identify any shortcomings, reflect on the lessons to be learned from and offer ways forward for future research into canine laterality. The aim of this review is to (i) summarize motor laterality findings in the dog, (ii) highlight areas lacking in standardization, and (iii) propose necessary criteria for future tests and global reporting protocols. Our review of the literature highlighted the lack of standardization between studies in task selection, sample size, number of behavior scores recorded, and the methods by which motor laterality were classified and reported. This review illustrates the benefits of standardizing methods of motor laterality assessment so that comparisons can be made between the populations sampled. By adopting such an approach, researchers should mutually benefit as motor laterality data could then be compared and subjected to meta-analysis. |
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1558-7878 |
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no |
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Equine Behaviour @ team @ S1558-7878(10)00038-9 |
Serial |
5378 |
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| Author |
Tomkins, L.M.; Williams, K.A.; Thomson, P.C.; McGreevy, P.D. |
| Title |
Sensory Jump Test as a measure of sensory (visual) lateralization in dogs (Canis familiaris) |
Type |
Journal Article |
| Year |
2010 |
Publication |
Journal of Veterinary Behavior |
Abbreviated Journal |
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| Volume |
5 |
Issue |
5 |
Pages |
256-267 |
| Keywords |
sensory lateralization; monocular vision; binocular vision; jump kinematics; dog |
| Abstract |
Sensory lateralization in dogs (n = 74) was investigated in this study using our innovation, the Sensory Jump Test. This required the modification of head halters to create three different ocular treatments (binocular, right, and left monocular vision) for eye preference assessment in a jumping task. Ten jumps were recorded as a jump set for each treatment. Measurements recorded included (i) launch and landing paws, (ii) type of jump, (iii) approach distance, (iv) clearance height of the forepaw, hindpaw, and the lowest part of the body to clear the jump, and (v) whether the jump was successful. Factors significantly associated with these jump outcomes included ocular treatment, jump set number, and replication number. Most notably, in the first jump set, findings indicated a left hemispheric dominance for the initial navigation of the Sensory Jump Test, as left monocular vision (LMV) compromised of jumping more than right monocular (RMV) and binocular vision, with a significantly reduced approach distance and forepaw clearance observed in dogs with LMV. However, by the third jump set, dogs undergoing LMV launched from a greater approach distance and with a higher clearance height, corresponding to an increase in success rate of the jump, in comparison with RMV and binocular vision dogs. A marginally non-significant RMV bias was observed for eye preference based on the laterality indices for approach distance (P = 0.060) and lowest body part clearance height (P = 0.067). A comparison between eye preference and launching or landing paws showed no association between these measures of sensory and motor laterality. To our knowledge, this is the first study to report on sensory lateralization in the dog, and furthermore, to compare both motor and sensory laterality in dogs. |
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1558-7878 |
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no |
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Equine Behaviour @ team @ S1558-7878(10)00019-5 |
Serial |
5379 |
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| Author |
Bailey, D |
| Title |
Dominance Hierarchies in Horses: Comparing and Contrasting Different Methods for Assessing Hierarchies |
Type |
Journal Article |
| Year |
2016 |
Publication |
Ursidae: The Undergraduate Research Journal at the University of Northern Colorado |
Abbreviated Journal |
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| Volume |
5 |
Issue |
3 |
Pages |
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| Abstract |
Understanding animal social structures is imperative when it comes to the care, housing and handling of large herd animals. Knowing how hierarchies are structured, along with environmental and physiological aspects that may affect them, will allow owners and breeders to house and care for their animals. The aim of my study was to better understand two methods used to assess dominance hierarchies in horses, Equus caballus, and to predict which method would be more useful for owners housing domestic horses. I designed an experiment where I compared a structured method, the paired feeding test, with behavioral observations from the horses’ natural setting. I hypothesized that the structured method would not conclude the same dominance hierarchy as the natural observations. I also hypothesized that traits of the horses, such as size or age, would correlate with the hierarchy ranking within a herd. A herd of six individual horses from a small ranch east of Platteville, Colorado was used to test the two methods. I found that the two methods measured different hierarchies. The paired feeding test showed no correlations to any of the physical measurements, as well as did not provide a hierarchy that was similar to the natural dominance observations of the horses. Natural observations established a more linear hierarchy and had significant correlations with weight and overall body size. The results indicate that the paired feeding test may not be a valid method for establishing dominance hierarchies within domestic horses housed in a small range.
I recommend use of natural observations over paired feeding tests for ranchers, breeders or owners trying to understand the dominance hierarchies among their herds. |
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no |
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Equine Behaviour @ team @ |
Serial |
6204 |
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| Author |
Frank, H. |
| Title |
Evolution of canine information processing under conditions of natural and artificial selection |
Type |
Journal Article |
| Year |
1980 |
Publication |
Z Tierpsychol |
Abbreviated Journal |
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5 |
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Equine Behaviour @ team @ Frank1980 |
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6243 |
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| Author |
Bates, D. |
| Title |
Fitting linear mixed models in R |
Type |
Journal Article |
| Year |
2005 |
Publication |
R News |
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| Volume |
5 |
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Equine Behaviour @ team @ Bates2005 |
Serial |
6293 |
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| Author |
McGreevy, P.D.; Harman, A.; McLean, A.; Hawson, L. |
| Title |
Over-flexing the horse's neck: A modern equestrian obsession? |
Type |
Journal Article |
| Year |
2010 |
Publication |
Journal of Veterinary Behavior: Clinical Applications and Research |
Abbreviated Journal |
Journal of Veterinary Behavior: Clinical Applications and Research |
| Volume |
5 |
Issue |
4 |
Pages |
180-186 |
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| Abstract |
We used an opportunistic review of photographs of different adult and juvenile horses walking, trotting, and cantering (n = 828) to compare the angle of the nasal plane relative to vertical in feral and domestic horses at liberty (n = 450) with ridden horses advertised in a popular Australian horse magazine (n = 378). We assumed that horses in advertisements were shown at, what was perceived by the vendors to be, their best. Of the ridden horses, 68% had their nasal plane behind the vertical. The mean angle of the unridden horses at walk, trot, and canter (30.7 ± 11.5; 27.3 ± 12.0; 25.5 ± 11.0) was significantly greater than those of the ridden horses (1.4 ± 14.1; ?5.1 ± ?11.1; 3.1 ± 15.4, P < 0.001). Surprisingly, unridden domestic horses showed greater angles than feral horses or domestic horses at liberty. We compared adult and juvenile horses in all 3 gaits and found no significant difference. Taken together, these findings demonstrate that the longitudinal neck flexion of the degree desirable by popular opinion in ridden horses is not a common feature of unridden horses moving naturally. Moreover, they suggest that advertised horses in our series are generally being ridden at odds with their natural carriage and contrary to the international rules of dressage (as published by the International Equestrian Federation). These findings are discussed against the backdrop of the established doctrine, which states that carrying a rider necessitates changes in longitudinal flexion, and in the context of the current debate around hyperflexion. |
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Elsevier |
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1558-7878 |
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doi: 10.1016/j.jveb.2010.03.004 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
6501 |
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| Author |
Rørvang, M.V.; Christensen, J.W.; Ladewig, J.; McLean, A. |
| Title |
Social Learning in Horses--Fact or Fiction? |
Type |
Journal Article |
| Year |
2018 |
Publication |
Frontiers in Veterinary Science |
Abbreviated Journal |
Front. Vet. Sci. |
| Volume |
5 |
Issue |
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Pages |
212 |
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| Abstract |
Prima facie, the acquisition of novel behaviors in animals through observation of conspecifics seems straightforward. There are, however, various mechanisms through which the behavior of animals can be altered from observing others. These mechanisms range from simple hard-wired contagious processes to genuine learning by observation, which differ fundamentally in cognitive complexity. They range from social facilitation and local enhancement to true social learning. The different learning mechanisms are the subject of this review, largely because research on learning by observation can be confounded by difficulties in interpretation owing to the looming possibility of associative learning infecting experimental results. While it is often assumed that horses are capable of acquiring new behavior through intra-species observation, research on social learning in horses includes a variety of studies some of which may overestimate the possession of higher mental abilities. Assuming such abilities in their absence can have welfare implications, e.g. isolating stereotypical horses on the assumption that these behaviors can be learned though observation by neighboring horses. This review summarizes the definitions and criteria for the various types of social transmission and social learning and reviews the current documentation for each type in horses with the aim of clarifying whether horses possess the ability to learn through true social learning. As social ungulates, horses evolved in open landscapes, exposed to predators and grazing most of the day. Being in close proximity to conspecifics may theoretically offer an opportunity to learn socially, however anti-predator vigilance and locating forage may not require the neural complexity of social learning. Given the significant energetic expense of brain tissue, it is likely that social facilitation and local enhancement may have been sufficient in the adaptation of equids to their niche. As a consequence, social learning abilities may be maladaptive in horses. Collectively, the review proposes a novel differentiation between social transmission (social facilitation, local and stimulus enhancement) and social learning (goal emulation, imitation). Horses are undoubtedly sensitive to intra-species transfer of information but this transfer does not appear to satisfy the criteria for social learning, and thus there is no solid evidence for true social learning in horses. |
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2297-1769 |
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no |
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Equine Behaviour @ team @ |
Serial |
6558 |
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| Author |
Lorenz, K. |
| Title |
Die angeborenen Formen möglicher Erfahrung |
Type |
Journal Article |
| Year |
1943 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Zeitschrift für Tierpsychologie |
| Volume |
5 |
Issue |
2 |
Pages |
235-409 |
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Zusammenfassung Die vorliegende Abhandlung entspringt dem Aufgabenkreis einer jungen Arbeitsgemeinschaft zwischen Geisteswissenschaft und vergleichender Psychologie, die das wichtigste Programm des neugegründeten Philosophischen Institutes der Albertus-Universität in Königsberg darstellt. Sie ist aus der einen Abteilung dieser Anstalt, dem Institut für vergleichende Psychologie hervorgegangen. Obwohl sie eine ganze Reihe unveröffentlichter neuer Beobachtungen und Versuche enthält, stehen diese nicht genug im Mittelpunkte der Untersuchung, um eine Zusammenfassung von Ergebnissen in jener Form möglich zu machen, wie sie sonst in der induktiven Naturforschung üblich ist. Immerhin aber herrscht die induktive Denkweise in der vorliegenden Arbeit so stark vor, daß eine kurze Zusammenfassung angebracht erscbeint, wenn sie auch notgedrungen die Form einer kurzen Inhaltsangabe annehmea muß. |
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John Wiley & Sons, Ltd |
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0044-3573 |
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doi: 10.1111/j.1439-0310.1943.tb00655.x |
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no |
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Equine Behaviour @ team @ |
Serial |
6609 |
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