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| Author | Beauchamp, G. | ||||
| Title | Individual Differences In Activity And Exploration Influence Leadership In Pairs Of Foraging Zebra Finches | Type | Journal Article | ||
| Year | 2000 | Publication | Behaviour | Abbreviated Journal | Behaviour |
| Volume | 137 | Issue | Pages | 301-314 | |
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| Abstract | This study investigated the role of dominance and level of activity and exploration on leadership in zebra finches (Taenopygia guttata) searching for food. In pairs of zebra finches fairly matched in size and that experienced the same level of food deprivation, the same bird consistently reached first one foraging patch over several trials. The same pattern of arrival to food occurred when resources were provided in two distant patches available concurrently, a situation that would potentially allow subordinates a greater access to resources. In further testing, the formation of new pairs with the same birds led to several changes in leadership, indicating that leadership is not an absolute feature. The member of a pair that proved to be the most active and exploratory during independent, solitary trials became the leader in nearly all pairs tested. The same pattern held true in newly rearranged pairs where individuals often experienced changes in dominance status. Dominance failed to be associated with leadership in all tests. The results suggest that in a relatively egalitarian species, level of activity and exploration may be a stronger predictor of leadership than dominance. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 4698 | ||
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| Author | Mandal, M. K.; Bulman-Fleming, M. B.; Tiwari, G. (eds) | ||||
| Title | Side Bias: A Neuropsychological Perspective | Type | Book Whole | ||
| Year | 2000 | Publication | Abbreviated Journal | ||
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| Abstract | The beginnings of the idea about a book on “side bias” began in the year 1994 during the senior editor“s research association with late Professor M.P. Bryden and colleagues at the University of Waterloo, Canada. Over many discussions with Professor Bryden, it was clear that the concept of ”side bias" encompasses all aspects of motor behaviour within the context of human (and non-human animal) laterality. The tendency to favour one side or limb over the other is important not only from the perspective of understanding the functional asymmetries of the cerebral hemispheres, but also to an understanding of a myriad of aspects of human behaviour, as the contributions to this volume will attest. By side bias, most people would think of bias in terms of hand preference or performance. The phenomenon of side bias, however, is more general and influences motor behaviour of all kinds, ranging from simple hand movement to complex behaviours like facial expression and attention. Therefore, the concept has been operationalized in terms of bias reflected in the motor expression of paired (such as hands, feet, eyes, or ears) or nonpaired organs (such as the face) as a function of preference, performance or attentional/intentional factors. .... More see: http://www.springerlink.com/content/gr1726/front-matter.pdf |
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| Publisher | Springer | Place of Publication | Netherlands | Editor | Mandal, M. K.; Bulman-Fleming, M. B.; Tiwari, G. |
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| ISSN | ISBN | 978-0-7923-6660-7 | Medium | ||
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4733 | ||
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| Author | Jezierski T., Gorecka A. | ||||
| Title | Changes in the horses heart rate during different levels of social isolation | Type | Journal Article | ||
| Year | 2000 | Publication | Animal Science Papers and Reports | Abbreviated Journal | Anim. Sci. Pap. Rep. |
| Volume | 18 | Issue | 1 | Pages | 33-41 |
| Keywords | horse; heart rate; human-animal relation | ||||
| Abstract | Social isolation in horses may be regarded as a stress factor which implies welfare problems. The aim of the experiment was to examine the effect of different levels of transient social isolation and human presence on the heart rate (HR) in horses. Seven horses were used and the experiment was conducted in a tether-stable without boxes. The HR was recorded electronically, continuously for 40 min during the following test situations: all horses in the stable; experimenter approaches the tested horse, other horses being untied and leaving the stable; tested horse staying alone or in the company of one or two stable-mates; the experimenter attempts to calm the isolated horse; outdoor auditory stimuli from other horses. The HR was significantly higher during the whole period of isolation, and depended on how many horses were left as company for the one tested. The highest HR was observed while other horses were leaving the stable and during perception of outdoor auditory stimuli from others. When in the company of two stable mates, the HR was elevated only while other horses were leaving the stable and during auditory stimuli from outdoors. Human presence evoked a significant increase in HR, probably due to conditioning of horses (expecting to be untied and allowed to join the others), irrespectively whether the tested horse was left alone or with one or two stable-mates. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 4816 | ||
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| Author | Houpt, K.; Kusunose, R. | ||||
| Title | Genetics of behaviour. | Type | Book Chapter | ||
| Year | 2000 | Publication | The Genetics of the Horse | Abbreviated Journal | |
| Volume | Issue | Pages | 281-306 | ||
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| Publisher | CABI Publishing | Place of Publication | New York | Editor | Bowling, A.T., Ruvinsky, A. |
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| ISSN | ISBN | 9780851994291 | Medium | ||
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4821 | ||
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| Author | Houpt, K. A.; Kusonose, R. | ||||
| Title | Genetic of behaviour | Type | Book Chapter | ||
| Year | 2000 | Publication | Genetics of the Horse | Abbreviated Journal | |
| Volume | Issue | Pages | 281-306 | ||
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| Publisher | Cab Intl | Place of Publication | Wallingford Oxfordshire | Editor | Bowling,A. T. ; Ruvinsky, A. |
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| ISSN | ISBN | 978-0851994291 | Medium | ||
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5021 | ||
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| Author | Oakenfull, E.A.; Lim, H.; Ryder, O. | ||||
| Title | A survey of equid mitochondrial DNA: Implications for the evolution, genetic diversity and conservation of Equus | Type | Journal Article | ||
| Year | 2000 | Publication | Conservation Genetics | Abbreviated Journal | Conservat Genet |
| Volume | 1 | Issue | 4 | Pages | 341-355 |
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| Abstract | The evolution, taxonomy and conservation of the genus Equuswere investigated by examining the mitochondrial DNA sequences of thecontrol region and 12S rRNA gene. The phylogenetic analysis of thesesequences provides further evidence that the deepest node in thephylogeny of the extant species is a divergence between twolineages; one leading to the ancestor of modern horses (E.ferus, domestic and przewalskii) and the other to thezebra and ass ancestor, with the later speciation events of the zebrasand asses occurring either as one or more rapid radiations, or withextensive secondary contact after speciation. Examination of the geneticdiversity within species suggested that two of the E. hemionussubspecies (E. h. onager and E. h. kulan) onlyrecently diverged, and perhaps, are insufficiently different to beclassified as separate subspecies. The genetic divergence betweendomestic and wild forms of E. ferus (horse) and E.africanus (African ass) was no greater than expected within anequid species. In E. burchelli (plains zebra) there was anindication of mtDNA divergence between populations increasing withdistance. The implications of these results for equid conservation arediscussed and recommendations are made for conservation action. | ||||
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5039 | ||
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| Author | Pauw, J. | ||||
| Title | Therapeutic Horseback Riding Studies: Problems Experienced by Researchers | Type | Journal Article | ||
| Year | 2000 | Publication | Physiotherapy | Abbreviated Journal | Physiotherapy |
| Volume | 86 | Issue | 10 | Pages | 523-527 |
| Keywords | Therapeutic horseback riding; t-tests; logistic regression; statistically significant; clinically meaningful | ||||
| Abstract | Summary Since the therapeutic use of horse riding has been realised, several research studies investigating the physical and psychosocial effect of therapeutic riding have been conducted. A summary is given of therapeutic riding research studies where formal statistical tests were used to analyse the data as well as a summary of studies where different techniques were used to process the data. These summaries give an overview of the variables measured in previously conducted therapeutic riding studies. The general problems experienced by therapeutic riding researchers are given after the summaries. Possible explanations are discussed for some of these problems. In conclusion a few suggestions are given for future research, not only for therapeutic riding studies, but for any study where the effect of a therapeutic intervention is investigated. | ||||
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| ISSN | 0031-9406 | ISBN | Medium | ||
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5066 | ||
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| Author | Byrne, R.W. | ||||
| Title | How monkeys find their way: leadership, coordination, and cognitive maps of African baboons. | Type | Book Chapter | ||
| Year | 2000 | Publication | On the Move: How and Why Animals Travel in Groups | Abbreviated Journal | |
| Volume | Issue | Pages | 491–518 | ||
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| Publisher | Chicago University Press | Place of Publication | Chicago | Editor | Boinski, S.; Garber, P.A. |
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5146 | ||
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| Author | Holekamp, K.E, Boydston, E.E; Smale, L. | ||||
| Title | Group Travel in Social Carnivores | Type | Book Whole | ||
| Year | 2000 | Publication | On the Move: How and Why Animals Travel in Groups | Abbreviated Journal | |
| Volume | Issue | Pages | 587-627 | ||
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| Publisher | Chicago University Press | Place of Publication | Chicago | Editor | Boinski, S.; Garber, P.A. |
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5147 | ||
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| Author | Engh, A.L.; Esch, K.; Smale, L.; Holekamp, K.E. | ||||
| Title | Mechanisms of maternal rank 'inheritance' in the spotted hyaena, Crocuta crocuta | Type | Journal Article | ||
| Year | 2000 | Publication | Animal Behaviour. | Abbreviated Journal | Anim. Behav. |
| Volume | 60 | Issue | 3 | Pages | 323-332 |
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| Abstract | Maternal rank [`]inheritance', the process by which juveniles attain positions in the dominance hierarchy adjacent to those of their mothers, occurs in both cercopithecine primates and spotted hyaenas. Maternal rank is acquired in primates through defensive maternal interventions, coalitionary support and unprovoked aggression ([`]harassment') directed by adult females towards offspring of lower-ranking individuals. Genetic heritability of rank-related traits plays a negligible role in primate rank acquisition. Because the social lives of Crocuta and cercopithecine primates share many common features, we examined whether the same mechanisms might operate in both taxa to promote maternal rank [`]inheritance'. We observed a large clan of free-living spotted hyaenas in Kenya to test predictions of four mechanistic hypotheses. Hyaena rank acquisition did not appear to be directly affected by genetic heritability. Unprovoked aggression from adult female hyaenas was not directed preferentially towards low-ranking cubs. However, high-ranking mothers intervened on behalf of their cubs more frequently and more effectively than low-ranking mothers. Maternal interventions and supportive coalitions appeared to reinforce aggression directed at [`]appropriate' conspecific targets, whereas coalitionary aggression directed at cubs apparently functioned to extinguish their aggressive behaviour towards [`]inappropriate' targets. Young hyaenas and primates thus appear to [`]inherit' their mothers' ranks by strikingly similar mechanisms. | ||||
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| ISSN | 0003-3472 | ISBN | Medium | ||
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5242 | ||
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