| Records |
| Author |
Versace, E.; Morgante, M.; Pulina, G.; Vallortigara, G. |
Title  |
Behavioural lateralization in sheep (Ovis aries) |
Type |
Journal Article |
| Year |
2007 |
Publication |
Behavioural Brain Research |
Abbreviated Journal |
Behav. Brain. Res. |
| Volume |
184 |
Issue |
1 |
Pages |
72-80 |
| Keywords |
Lateralization; Laterality; Brain asymmetry; Hemisphere; Sheep; Lamb; Strength of lateralization |
| Abstract |
This study investigates behavioural lateralization in sheep and lambs of different ages. A flock was tested in a task in which the animals were facing an obstacle and should avoid it on either the right or left side to rejoin flock-mates (adult sheep) or their mothers (lambs). A bias for avoiding the obstacle on the right side was observed, with lambs apparently being more lateralized than sheep. This right bias was tentatively associated with the left-hemifield laterality in familiar faces recognition which has been documented in this species. Differences between adult sheep and lambs were likely to be due to differences in social reinstatement motivation elicited by different stimuli (flock-mates or mothers) at different ages. Preferential use of the forelegs to step on a wood-board and direction of jaw movement during rumination was also tested in adult animals. No population bias nor individual-level lateralization was observed for use of the forelegs. At the same time, however, there was a large number of animals showing individual-level lateralization for the direction of jaw movement during rumination even though there was no population bias. These findings highlight that within the same species individual- and population-level lateralization can be observed in different tasks. Moreover, the results fit the general hypothesis that population-level asymmetries are more likely to occur in tasks that require social coordination among behaviourally asymmetric individuals. |
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Edition |
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| ISSN |
0166-4328 |
ISBN |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6701 |
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| Author |
Stecken, Paul |
| Title |
Bemerkungen und Zusammenhänge |
Type |
Journal Article |
| Year |
2015 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Publisher |
FNverlag der Deutschen Reiterlichen Vereinigung GmbH |
Place of Publication |
wARENDORF |
Editor |
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Edition |
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ISBN |
978-3-88542-889-3 |
Medium |
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Expedition |
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Conference |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6511 |
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| Author |
Chapron, G.; Treves, A. |
| Title |
Blood does not buy goodwill: allowing culling increases poaching of a large carnivore |
Type |
Journal Article |
| Year |
2016 |
Publication |
Proc Biol Sci |
Abbreviated Journal |
Proc. R. Soc. Lond. B |
| Volume |
283 |
Issue |
1830 |
Pages |
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| Keywords |
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| Abstract |
Quantifying environmental crime and the effectiveness of policy interventions is difficult because perpetrators typically conceal evidence. To prevent illegal uses of natural resources, such as poaching endangered species, governments have advocated granting policy flexibility to local authorities by liberalizing culling or hunting of large carnivores. We present the first quantitative evaluation of the hypothesis that liberalizing culling will reduce poaching and improve population status of an endangered carnivore. We show that allowing wolf (Canis lupus) culling was substantially more likely to increase poaching than reduce it. Replicated, quasi-experimental changes in wolf policies in Wisconsin and Michigan, USA, revealed that a repeated policy signal to allow state culling triggered repeated slowdowns in wolf population growth, irrespective of the policy implementation measured as the number of wolves killed. The most likely explanation for these slowdowns was poaching and alternative explanations found no support. When the government kills a protected species, the perceived value of each individual of that species may decline; so liberalizing wolf culling may have sent a negative message about the value of wolves or acceptability of poaching. Our results suggest that granting management flexibility for endangered species to address illegal behaviour may instead promote such behaviour. |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6379 |
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| Author |
Stomp, M.; d'Ingeo, S.; Henry, S.; Cousillas, H.; Hausberger, M. |
| Title |
Brain activity reflects (chronic) welfare state: Evidence from individual electroencephalography profiles in an animal model |
Type |
Journal Article |
| Year |
2021 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
236 |
Issue |
|
Pages |
105271 |
| Keywords |
Laterality; Electroencephalography; Theta wave; Welfare; Horses |
| Abstract |
Assessing the animal welfare state is a challenge given the subjective individual cognitive and emotional processing involved. Electroencephalography (EEG) spectrum analysis has proved an ecologically valid recording situation to assess the link between brain processes and affective or cognitive states in humans: a higher slow wave/fast wave ratio has been associated with a positive internal state. In particular, a high production of theta power (3-8 Hz) has been related to positive emotions. On the other hand, it has been hypothesized that a left hemisphere (LH) dominance may be associated with a better welfare state. Here, we test the hypothesis that individual differences in the resting-state quantitative EEG power spectrum of adult horses (N = 18) and its lateralization pattern may reflect individual subjective perception of their conditions of life and welfare state. The results show clear individual differences in the proportions of the different waves and their inter-hemispheric distribution. Three different EEG power spectrum profiles were highlighted, from a bilateral predominance of theta waves in horses in a more positive welfare state to a bilateral predominance of beta waves in horses with clear expressions of compromised welfare. Interestingly, particular correlations were found between wave power activity and welfare parameters. We found a negative correlation between the number of stereotypic behaviours per hour and the median proportion of theta waves in the left hemisphere. and between the overall state (total chronic stress score) of welfare and gamma production in the right hemisphere (RH). These findings go along the hypothesis of a particular involvement of the left hemisphere for positive processing and of the right hemisphere for negative processing. However, the pattern of laterality did not appear as the most important feature here as both extreme clusters in terms of welfare showed bilateral predominance of one wave type. It is possible that hemispheric specialization makes more sense during acute emotion-inducing conditions rather than in this resting-state context (i.e. in absence of any high emotion-inducing stimulation), although the opposition gamma versus theta waves between both hemispheres in the horses with an intermediate welfare state is noticeable and intriguing. It seems that bilateral but also LH theta activity is a promising neurophysiological marker of good welfare in horses, while a bilateral or RH high production of gamma waves should alert about potential welfare alterations. Quantitative resting-state EEG power spectrum appears as a highly promising tool for exploring the brain processes involved in the subjective perception of chronic welfare, as a useful complementary tool for welfare assessment. |
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Series Issue |
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Edition |
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| ISSN |
0168-1591 |
ISBN |
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Medium |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6628 |
| Permanent link to this record |
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| Author |
Stomp, M.; d'Ingeo, S.; Henry, S.; Cousillas, H.; Hausberger, M. |
| Title |
Brain activity reflects (chronic) welfare state: Evidence from individual electroencephalography profiles in an animal model |
Type |
Journal Article |
| Year |
2021 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
|
| Volume |
236 |
Issue |
|
Pages |
105271 |
| Keywords |
Laterality; Electroencephalography; Theta wave; Welfare; Horses |
| Abstract |
Assessing the animal welfare state is a challenge given the subjective individual cognitive and emotional processing involved. Electroencephalography (EEG) spectrum analysis has proved an ecologically valid recording situation to assess the link between brain processes and affective or cognitive states in humans: a higher slow wave/fast wave ratio has been associated with a positive internal state. In particular, a high production of theta power (3-8 Hz) has been related to positive emotions. On the other hand, it has been hypothesized that a left hemisphere (LH) dominance may be associated with a better welfare state. Here, we test the hypothesis that individual differences in the resting-state quantitative EEG power spectrum of adult horses (N = 18) and its lateralization pattern may reflect individual subjective perception of their conditions of life and welfare state. The results show clear individual differences in the proportions of the different waves and their inter-hemispheric distribution. Three different EEG power spectrum profiles were highlighted, from a bilateral predominance of theta waves in horses in a more positive welfare state to a bilateral predominance of beta waves in horses with clear expressions of compromised welfare. Interestingly, particular correlations were found between wave power activity and welfare parameters. We found a negative correlation between the number of stereotypic behaviours per hour and the median proportion of theta waves in the left hemisphere. and between the overall state (total chronic stress score) of welfare and gamma production in the right hemisphere (RH). These findings go along the hypothesis of a particular involvement of the left hemisphere for positive processing and of the right hemisphere for negative processing. However, the pattern of laterality did not appear as the most important feature here as both extreme clusters in terms of welfare showed bilateral predominance of one wave type. It is possible that hemispheric specialization makes more sense during acute emotion-inducing conditions rather than in this resting-state context (i.e. in absence of any high emotion-inducing stimulation), although the opposition gamma versus theta waves between both hemispheres in the horses with an intermediate welfare state is noticeable and intriguing. It seems that bilateral but also LH theta activity is a promising neurophysiological marker of good welfare in horses, while a bilateral or RH high production of gamma waves should alert about potential welfare alterations. Quantitative resting-state EEG power spectrum appears as a highly promising tool for exploring the brain processes involved in the subjective perception of chronic welfare, as a useful complementary tool for welfare assessment. |
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| ISSN |
0168-1591 |
ISBN |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6629 |
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| Author |
Aldezabal, A.; Garin, I. |
| Title |
Browsing preference of feral goats (Capra hircus L.) in a Mediterranean mountain scrubland |
Type |
Journal Article |
| Year |
2000 |
Publication |
J Arid Env |
Abbreviated Journal |
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| Volume |
44 |
Issue |
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Pages |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ Aldezabal2000 |
Serial |
6256 |
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| Author |
Giraldeau, L.-A.; Lefebvre, L.; Morand-Ferron, J. |
| Title |
Can a restrictive definition lead to biases and tautologies? |
Type |
Journal Article |
| Year |
2007 |
Publication |
Behavioral and Brain Sciences |
Abbreviated Journal |
Behav. Brain Sci. |
| Volume |
30 |
Issue |
4 |
Pages |
411-412 |
| Keywords |
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| Abstract |
We argue that the operational definition proposed by Ramsey et al. does not represent a significant improvement for students of innovation, because it is so restrictive that it might actually prevent the testing of hypotheses on the relationships between innovation, ecology, evolution, culture, and intelligence. To avoid tautological thinking, we need to use an operational definition that is taxonomically unbiased and neutral with respect to the hypotheses to be tested. |
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Cambridge University Press |
Place of Publication |
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Series Issue |
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Edition |
2007/12/17 |
| ISSN |
0140-525x |
ISBN |
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Medium |
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Expedition |
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Conference |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6533 |
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| Author |
Marescot, L.; Pradel, R.; Duchamp, C.; Cubaynes, S.; Mrboutin, E.; Choquet, R. |
| Title |
Capture – recapture population growth rate as a robust tool against detection heterogeneity for population management |
Type |
Journal Article |
| Year |
2011 |
Publication |
Ecol Appl |
Abbreviated Journal |
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| Volume |
21 |
Issue |
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Pages |
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no |
| Call Number |
Equine Behaviour @ team @ Marescot2011 |
Serial |
6491 |
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| Author |
Berger, K.M. |
| Title |
Carnivore-Livestock conflicts: effects of subsidized predator control and economic correlates on the sheep industry |
Type |
Journal Article |
| Year |
2006 |
Publication |
Conserv Biol |
Abbreviated Journal |
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| Volume |
20 |
Issue |
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Pages |
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no |
| Call Number |
Equine Behaviour @ team @ Berger2006 |
Serial |
6448 |
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| Author |
Forrester, G.; Hudry, K.; Lindell, A.; Hopkins, W. D. |
| Title |
Cerebral Lateralization and Cognition: Evolutionary and Developmental Investigations of Behavioral Biases |
Type |
Book Whole |
| Year |
2018 |
Publication |
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Abbreviated Journal |
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| Volume |
238 |
Issue |
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Pages |
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| Publisher |
Academic Press |
Place of Publication |
Cambridge |
Editor |
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Edition |
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ISBN |
9780128146729 |
Medium |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6530 |
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