| Records |
| Author |
Byrne R.W. |
| Title |
The evolution of intelligence |
Type |
Book Chapter |
| Year |
1994 |
Publication |
Behaviour and Evolution |
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| Volume |
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Issue |
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Pages |
223-265 |
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Cambridge University Press |
Place of Publication |
Cambridge,UK |
Editor |
P.J.B. Slater and T.R. Halliday |
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| Call Number |
Equine Behaviour @ team @ |
Serial |
6566 |
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| Author |
Veen, P.; Jefferson, R.; de Smidt, J.; van der Straaten, J. |
| Title |
Grasslands in Europe of high nature value |
Type |
Book Whole |
| Year |
2009 |
Publication |
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Brill |
Place of Publication |
The Netherlands |
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No Linguistic Content |
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ISBN |
9789050113168 9050113168 9789004278103 9004278109 |
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no |
| Call Number |
Equine Behaviour @ team @ 6066883015 |
Serial |
6561 |
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| Author |
Hoelker, S. |
| Title |
Typologie der deutschen Pferdehaltung – Eine empirische Studie mittels Two-Step-Clusteranalyse |
Type |
Journal Article |
| Year |
2016 |
Publication |
Berichte über Landwirtschaft Zeitschrift für Agrarpolitik und Landwirtschaft |
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| Volume |
94 |
Issue |
3 |
Pages |
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BMEL |
Place of Publication |
Bonn |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6643 |
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| Author |
McDonnell, S. |
| Title |
Understanding horse behavior. Your guide to horse health care and management |
Type |
Book Whole |
| Year |
1999 |
Publication |
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Issue |
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Pages |
99 pp. |
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| Abstract |
The author has conducted much research on equine behaviour, and here presents her findings in a form suitable for owners of horses. Common behavioural problems are mentioned. |
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| Publisher |
Blood-Horse Inc. |
Place of Publication |
Lexington, KY 40544-4038 |
Editor |
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| Language |
English |
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ISBN |
1581500173 |
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| Notes |
Author Affiliation: School of Veterinary Medicine, University of Pennsylvania, PA 19104, USA. |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6155 |
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| Author |
GONÇALVES DA SILVA, A.; CAMPOS-ARCEIZ, A.; ZAVADA, M.S. |
| Title |
On tapir ecology, evolution and conservation: what we know and future perspectives–part II |
Type |
Journal Article |
| Year |
2013 |
Publication |
Integrative Zoology |
Abbreviated Journal |
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| Volume |
8 |
Issue |
1 |
Pages |
1-3 |
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| Publisher |
Blackwell Publishing Ltd |
Place of Publication |
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Edition |
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| ISSN |
1749-4877 |
ISBN |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6141 |
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| Author |
Sasväri, L. |
| Title |
Different Observational Learning Capacity in Juvenile and Adult Individuals of Congeneric Bird Species |
Type |
Journal Article |
| Year |
1985 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
| Volume |
69 |
Issue |
4 |
Pages |
293-304 |
| Keywords |
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| Abstract |
Abstract and Summary: Since the adaptive significance of social organization is emphasized diversely in both anti-predator behaviour and food searching of birds, measures and comparisons of observational learning capacity of various species are needed. Four different experimental situations were built up for juvenile and adult individuals of tits (Parus major, P. caeruleus, P. palustris) and thrushes (Turdus merula, T. philo-melos). The birds learn more easily from conspecifics and learn easily when they already know a previous problem solving situation. The capacity of observational learning of the adult great tits surpasses that of adult blue tits and marsh tits, and that of the adult blackbirds exceeds that of the adult songthrushes. The higher performance of the great tit and blackbird can be related to their greater hemispheric index. The differences in the learning capacity of the naive individuals of the three tit species and that of the two thrush species were not significant. It is suggested, that the higher observational learning of the great tit and blackbird is evolved through maturational processes and can be reflected by their greater adaptability. Zusammenfassung: Lernen durch Nachahmung wurde in vier verschiedenen Situationen mit jungen und alten Individuen von Meisen- (Parus major, P. caeruleus, P. palustris) und Drosselarten (Turdus merula, T. philomelos) untersucht. Die Vögel lernten besser von Artgenossen und lernten leicht, wenn sie vorher bereits eine Problemlösungssituation kannten. Die Lernfähigkeit (durch Nachahmung) alter Kohlmeisen übertraf die alter Blau- und Sumpfmeisen; die Lernfähigkeit alter Amseln übertraf die alter Singdrosseln. Die höhere Leistung der Kohlmeisen und Amseln hängt mit ihrem höheren Hemisphären-Index zusammen. Naive Individuen der Meisen- und Drosselarten zeigten keine signifikanten Unterschiede in ihrer Lernfähigkeit. Es ist anzunehmen, daß die höhere Lernfähigkeit der Kohlmeise und der Amsel im Laufe der Entwicklung durch Reifungsprozesse zustande kommt und sich in ihrer höheren Anpassungsfähig-keit widerspiegelt. |
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| Publisher |
Blackwell Publishing Ltd |
Place of Publication |
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Edition |
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| ISSN |
1439-0310 |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6169 |
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| Author |
Becker-Birck, M.; Schmidt, A.; Wulf, M.; Aurich, J.; von der Wense, A.; Möstl, E.; Berz, R.; Aurich, C. |
| Title |
Cortisol release, heart rate and heart rate variability, and superficial body temperature, in horses lunged either with hyperflexion of the neck or with an extended head and neck position |
Type |
Journal Article |
| Year |
2013 |
Publication |
Journal of Animal Physiology and Animal Nutrition |
Abbreviated Journal |
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| Volume |
97 |
Issue |
2 |
Pages |
322-330 |
| Keywords |
animal welfare; equitation; stress; training |
| Abstract |
Bringing the head and neck of ridden horses into a position of hyperflexion is widely used in equestrian sports. In our study, the hypothesis was tested that hyperflexion is an acute stressor for horses. Salivary cortisol concentrations, heart rate, heart rate variability (HRV) and superficial body temperature were determined in horses (n = 16) lunged on two subsequent days. The head and neck of the horse was fixed with side reins in a position allowing forward extension on day A and fixed in hyperflexion on day B. The order of treatments alternated between horses. In response to lunging, cortisol concentration increased (day A from 0.73 ± 0.06 to 1.41 ± 0.13 ng/ml, p < 0.001; day B from 0.68 ± 0.07 to 1.38 ± 0.13 ng/ml, p < 0.001) but did not differ between days A and B. Beat-to-beat (RR) interval decreased in response to lunging on both days. HRV variables standard deviation of RR interval (SDRR) and RMSSD (root mean square of successive RR differences) decreased (p < 0.001) but did not differ between days. In the cranial region of the neck, the difference between maximum and minimum temperature was increased in hyperflexion (p < 0.01). In conclusion, physiological parameters do not indicate an acute stress response to hyperflexion of the head alone in horses lunged at moderate speed and not touched with the whip. However, if hyperflexion is combined with active intervention of a rider, a stressful experience for the horse cannot be excluded. |
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Blackwell Publishing Ltd |
Place of Publication |
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Edition |
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| ISSN |
1439-0396 |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6182 |
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| Author |
Hampson, B.A.; Morton, J.M.; Mills, P.C.; Trotter, M.G.; Lamb, D.W.; Pollitt, C.C. |
| Title |
Monitoring distances travelled by horses using GPS tracking collars |
Type |
Journal Article |
| Year |
2010 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust. Vet. J. |
| Volume |
88 |
Issue |
5 |
Pages |
176-181 |
| Keywords |
behaviour; feral horses; foals; global positioning system (GPS); horses; paddock design |
| Abstract |
Objective The aims of this work were to (1) develop a low-cost equine movement tracking collar based on readily available components, (2) conduct preliminary studies assessing the effects of both paddock size and internal fence design on the movements of domestic horses, with and without foals at foot, and (3) describe distances moved by mares and their foals. Additional monitoring of free-ranging feral horses was conducted to allow preliminary comparisons with the movement of confined domestic horses. Procedures A lightweight global positioning system (GPS) data logger modified from a personal/vehicle tracker and mounted on a collar was used to monitor the movement of domestic horses in a range of paddock sizes and internal fence designs for 6.5-day periods. Results In the paddocks used (0.8-16 ha), groups of domestic horses exhibited a logarithmic response in mean daily distance travelled as a function of increasing paddock size, tending asymptotically towards approximately 7.5 km/day. The distance moved by newborn foals was similar to their dams, with total distance travelled also dependent on paddock size. Without altering available paddock area, paddock design, with the exception of a spiral design, did not significantly affect mean daily distance travelled. Feral horses (17.9 km/day) travelled substantially greater mean daily distances than domestic horses (7.2 km/day in 16-ha paddock), even when allowing for larger paddock size. Conclusions Horses kept in stables or small yards and paddocks are quite sedentary in comparison with their feral relatives. For a given paddock area, most designs did not significantly affect mean daily distance travelled. |
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| Publisher |
Blackwell Publishing Asia |
Place of Publication |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
1751-0813 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6201 |
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| Author |
Quaresmini, C.; Forrester, G.S.; Spiezio, C.; Vallortigara, G. |
| Title |
Social environment elicits lateralized behaviors in gorillas (Gorilla gorilla gorilla) and chimpanzees (Pan troglodytes) |
Type |
Journal Article |
| Year |
2014 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
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| Volume |
128 |
Issue |
3 |
Pages |
276-284 |
| Keywords |
*Animal Ethology; *Animal Social Behavior; *Chimpanzees; *Gorillas; *Social Influences; Cerebral Dominance; Lateral Dominance; Social Environments |
| Abstract |
The influence of the social environment on lateralized behaviors has now been investigated across a wide variety of animal species. New evidence suggests that the social environment can modulate behavior. Currently, there is a paucity of data relating to how primates navigate their environmental space, and investigations that consider the naturalistic context of the individual are few and fragmented. Moreover, there are competing theories about whether only the right or rather both cerebral hemispheres are involved in the processing of social stimuli, especially in emotion processing. Here we provide the first report of lateralized social behaviors elicited by great apes. We employed a continuous focal animal sampling method to record the spontaneous interactions of a captive zoo-living colony of chimpanzees (Pan troglodytes) and a biological family group of peer-reared western lowland gorillas (Gorilla gorilla gorilla). We specifically focused on which side of the body (i.e., front, rear, left, right) the focal individual preferred to keep conspecifics. Utilizing a newly developed quantitative corpus-coding scheme, analysis revealed both chimpanzees and gorillas demonstrated a significant group-level preference for focal individuals to keep conspecifics positioned to the front of them compared with behind them. More interestingly, both groups also manifested a population-level bias to keep conspecifics on their left side compared with their right side. Our findings suggest a social processing dominance of the right hemisphere for context-specific social environments. Results are discussed in light of the evolutionary adaptive value of social stimulus as a triggering factor for the manifestation of group-level lateralized behaviors. (PsycINFO Database Record (c) 2016 APA, all rights reserved) |
| Address |
Quaresmini, Caterina: Department of Psychology and Cognitive Sciences, University of Trento, Corso Bettini 31, Rovereto, Italy, 38068, caterina.quaresmini@gmail.com |
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| Publisher |
American Psychological Association |
Place of Publication |
Us |
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1939-2087(Electronic),0735-7036(Print) |
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no |
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Equine Behaviour @ team @ 2014-13828-001 |
Serial |
6396 |
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| Author |
Bonin, S.J.; Clayton, H.M.; Lanovaz, J.L.; Johnston, T. |
| Title |
Comparison of mandibular motion in horses chewing hay and pellets |
Type |
Journal Article |
| Year |
2007 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet. J. |
| Volume |
39 |
Issue |
3 |
Pages |
258-262 |
| Keywords |
horse; temporomandibular joint; mastication; kinematics |
| Abstract |
Summary Reasons for performing study: Previous studies have suggested that temporomandibular joint (TMJ) kinematics depend on the type of food being masticated, but accurate measurements of TMJ motion in horses chewing different feeds have not been published. Hypothesis: The temporomandibular joint has a larger range of motion when horses chew hay compared to pellets. Methods: An optical motion capture system was used to track skin markers on the skull and mandible of 7 horses as they chewed hay and pellets. A virtual marker was created on the midline between the mandibles at the level of the 4th premolar teeth to represent the overall motion of the mandible relative to the skull during the chewing cycle. Results: Frequency of the chewing cycles was lower for hay than for pellets. Excursions of the virtual mandibular marker were significantly larger in all 3 directions when chewing hay compared to pellets. The mean velocity of the virtual mandibular marker during the chewing cycle was the same when chewing the 2 feeds. Conclusions: The range of mediolateral displacement of the mandible was sufficient to give full occlusal contact of the upper and lower dental arcades when chewing hay but not when chewing pellets. Potential relevance: These findings support the suggestion that horses receiving a diet high in concentrate feeds may require more frequent dental prophylactic examinations and treatments to avoid the development of dental irregularities associated with smaller mandibular excursions during chewing. |
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American Medical Association (AMA) |
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0425-1644 |
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| Notes |
doi: 10.2746/042516407X157792 |
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no |
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Equine Behaviour @ team @ |
Serial |
6513 |
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