| Records |
| Author |
Cozzi, B.; Povinelli, M.; Ballarin, C.; Granato, A. |
| Title |
The Brain of the Horse: Weight and Cephalization Quotients |
Type |
Journal Article |
| Year |
2014 |
Publication |
Brain, Behavior and Evolution |
Abbreviated Journal |
Brain Behav Evol |
| Volume |
83 |
Issue |
1 |
Pages |
9-16 |
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| Abstract |
The horse is a common domestic animal whose anatomy has been studied since the XVI century. However, a modern neuroanatomy of this species does not exist and most of the data utilized in textbooks and reviews derive from single specimens or relatively old literature. Here, we report information on the brain of Equus caballus obtained by sampling 131 horses, including brain weight (as a whole and subdivided into its constituents), encephalization quotient (EQ), and cerebellar quotient (CQ), and comparisons with what is known about other relevant species. The mean weight of the fresh brains in our experimental series was 598.63 g (SEM ± 7.65), with a mean body weight of 514.12 kg (SEM ± 15.42). The EQ was 0.78 and the CQ was 0.841. The data we obtained indicate that the horse possesses a large, convoluted brain, with a weight similar to that of other hoofed species of like mass. However, the shape of the brain, the noteworthy folding of the neocortex, and the peculiar longitudinal distribution of the gyri suggest an evolutionary specificity at least partially separate from that of the Cetartiodactyla (even-toed mammals and cetaceans) with whom Perissodactyla (odd-toed mammals) are often grouped. |
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0006-8977 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6592 |
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| Author |
Dong, D.; Jones, G.; Zhang, S. |
| Title |
Dynamic evolution of bitter taste receptor genes in vertebrates |
Type |
Journal Article |
| Year |
2009 |
Publication |
BMC Evolutionary Biology |
Abbreviated Journal |
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| Volume |
9 |
Issue |
1 |
Pages |
12 |
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| Abstract |
Sensing bitter tastes is crucial for many animals because it can prevent them from ingesting harmful foods. This process is mainly mediated by the bitter taste receptors (T2R), which are largely expressed in the taste buds. Previous studies have identified some T2R gene repertoires, and marked variation in repertoire size has been noted among species. However, the mechanisms underlying the evolution of vertebrate T2R genes remain poorly understood. |
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1471-2148 |
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no |
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Equine Behaviour @ team @ Dong2009 |
Serial |
6637 |
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| Author |
Bergmüller, R.; Taborsky, M. |
| Title |
Animal personality due to social niche specialisation |
Type |
Journal Article |
| Year |
2010 |
Publication |
Trends in Ecology & Evolution |
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| Volume |
25 |
Issue |
9 |
Pages |
504-511 |
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| Abstract |
The existence of 'animal personality', i.e. consistent individual differences in behaviour across time and contexts, is an evolutionary puzzle that has recently generated considerable research interest. Although social factors are generally considered to be important, it is as yet unclear how they might select for personality. Drawing from ecological niche theory, we explore how social conflict and alternative social options can be key factors in the evolution and development of consistent individual differences in behaviour. We discuss how animal personality research might benefit from insights into the study of alternative tactics and illustrate how selection can favour behavioural diversification and consistency due to fitness benefits resulting from conflict reduction among social partners. |
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0169-5347 |
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no |
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Equine Behaviour @ team @ |
Serial |
6646 |
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| Author |
Meriggi, A.; Dagradi, V.; Dondina, O.; Perversi, M.; Milanesi, P.; Lombardini, M.; Raviglione, S.; Repossi, A. |
| Title |
Short-term responses of wolf feeding habits to changes of wild and domestic ungulate abundance in Northern Italy |
Type |
Journal Article |
| Year |
2014 |
Publication |
Ethology Ecology & Evolution |
Abbreviated Journal |
Ethology Ecology & Evolution |
| Volume |
27 |
Issue |
4 |
Pages |
389-411 |
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Taylor & Francis |
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0394-9370 |
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doi: 10.1080/03949370.2014.986768 |
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Equine Behaviour @ team @ |
Serial |
6688 |
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| Author |
Parrish, J. K.; Viscido, S. V. |
| Title |
Traffic rules of fish schools: A review of agent-based approaches. |
Type |
Book Chapter |
| Year |
2005 |
Publication |
Self-organisation and the evolution of social behaviour. |
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Issue |
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Pages |
50-80 |
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Cambridge University Press |
Place of Publication |
Cambridge |
Editor |
C. K. Hemelrijk |
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no |
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Equine Behaviour @ team @ |
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5419 |
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| Author |
Zeder, M.A. |
| Title |
Pathways to animal domestication |
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Book Chapter |
| Year |
2011 |
Publication |
Harlan II: Biodiversity in Agriculture: Domestication, Evolution, and Sustainability |
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University of California |
Place of Publication |
Davis |
Editor |
Damania, A.; Gepts, P. |
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no |
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Equine Behaviour @ team @ Zeder2011 |
Serial |
6316 |
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| Author |
Packer, C.; Pusey, A. E. |
| Title |
Asymmetric contests in social mammals: respect, manipulation and age-specific aspects |
Type |
Book Chapter |
| Year |
1985 |
Publication |
Evolution: Essays in Honour of John Maynard Smith |
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Issue |
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Pages |
173-86 |
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Camebridge University Press |
Place of Publication |
Camebridge |
Editor |
Greenwood, P.J.; Slatkin, M.; |
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no |
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refbase @ user @ |
Serial |
819 |
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| Author |
Krueger, K. |
| Title |
Social Ecology of Horses |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Ecology of Social Evolution |
Abbreviated Journal |
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Issue |
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Pages |
195-206 |
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| Abstract |
Horses (Equidae ) are believed to clearly demonstrate the links between ecology and social organization. Their social cognitive abilities enable them to succeed in many different environments, including those provided for them by humans, or the ones domestic horses encounter when escaping from their human care takers. Living in groups takes different shapes in equids. Their aggregation and group cohesion can be explained by Hamilton“s selfish herd theory. However, when an individual joins and to which group it joins appears to be an active individual decision depending on predation pressure, intra group harassment and resource availability. The latest research concerning the social knowledge horses display in eavesdropping experiments affirms the need for an extension of simple herd concepts in horses for a cognitive component. Horses obviously realize the social composition of their group and determine their own position in it. The horses exceedingly flexible social behavior demands for explanations about the cognitive mechanisms, which allow them to make individual decisions. ”Ecology conditions like those that favour the evolution of open behavioural programs sometimes also favour the evolution of the beginnings of consciousness, by favouring conscious choice. Or in other words, consciousness originates with the choice that are left open by open behavioural programs." Popper (1977) |
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Springer Verlag |
Place of Publication |
Heidelberg |
Editor |
j. Korb and J. Heinze |
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no |
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Equine Behaviour @ team @ |
Serial |
4387 |
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| Author |
Kruska, D. |
| Title |
Mammalian domestication and its effect on brain structure and behavior |
Type |
Book Chapter |
| Year |
1988 |
Publication |
Intelligence and Evolutionary Biology |
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Springer-Verlag |
Place of Publication |
New York |
Editor |
Jerison, H.J.; Jerison, I. |
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no |
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Equine Behaviour @ team @ Kruska1988 |
Serial |
6232 |
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| Author |
Bergmüller, R. |
| Title |
Animal Personality and Behavioural Syndromes |
Type |
Book Chapter |
| Year |
2010 |
Publication |
Animal Behaviour – Evolution and Mechanisms |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
587-621 |
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Springer |
Place of Publication |
Heidelberg |
Editor |
Kappeler, P. |
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no |
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Equine Behaviour @ team @ |
Serial |
5179 |
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