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The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)

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Resumo:Male African cichlids (Oreochromis mossambicus) establish territories on the substrate upon which spawning pits are dug, thus attracting females. The substrate, therefore, plays a very significant role in its lifecycle. The effects of substrate access on behaviour and physiology in captivity were assessed. Mixed-sex, all-male and all-female groups were observed for five days, with and without substrate. Social patterns, behaviour directed towards the substrate, locomotor activity and spatial behaviour were recorded, and haematocrit, plasma cortisol and glucose levels were measured. Substrate inclusion saw a significant increase in behavioural diversity, sexual behaviour of dominant males in mixed groups, pit digging and territoriality whereas a lack of substrate was characterised by increased chafing and inactivity. Vacuum-pit digging was also observed. Frequency of aggression did not differ significantly and female behaviour was not affected by the presence of substrate. For both sexes, no differences in cortisol and glucose levels were found between the two treatments, but haematocrit increased with substrate. The key role played by substrate in territorial males is consistent with the behavioural and physiological data reported. In the absence of substrate, decreased territorial behaviour is contrasted with similar levels of aggression, cortisol and glucose; all of which are suggestive of a stress-related context. Moreover, the exhibition of vacuum activities is a signal that behavioural needs are not being met and may be some form of coping mechanism. These findings, taken in conjunction with the variations in behavioural diversity and inactivity, suggest that the welfare of male cichlids may be adversely affected by the absence of substrate.
Autores principais:Galhardo, Leonor
Outros Autores:Correia, J.; Oliveira, Rui Filipe
Assunto:Animal welfare Behavioural needs Cortisol Fish welfare Glucose Substrate
Ano:2008
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Ispa-Instituto Universitário
Idioma:inglês
Origem:Repositório do Ispa - Instituto Universitário
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author Galhardo, Leonor
author2 Correia, J.
Oliveira, Rui Filipe
author2_role author
author
author_facet Galhardo, Leonor
Correia, J.
Oliveira, Rui Filipe
author_role author
contributor_name_str_mv Repositório do ISPA
country_str PT
creators_json_txt [{\"Person.name\":\"Galhardo, Leonor\"},{\"Person.name\":\"Correia, J.\"},{\"Person.name\":\"Oliveira, Rui Filipe\"}]
datacite.contributors.contributor.contributorName.fl_str_mv Repositório do ISPA
datacite.creators.creator.creatorName.fl_str_mv Galhardo, Leonor
Correia, J.
Oliveira, Rui Filipe
datacite.date.Accepted.fl_str_mv 2008-01-01T00:00:00Z
datacite.date.available.fl_str_mv 2012-03-21T21:27:44Z
datacite.date.embargoed.fl_str_mv 2012-03-21T21:27:44Z
datacite.rights.fl_str_mv http://purl.org/coar/access_right/c_abf2
datacite.subjects.subject.fl_str_mv Animal welfare
Behavioural needs
Cortisol
Fish welfare
Glucose
Substrate
datacite.titles.title.fl_str_mv The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)
dc.contributor.none.fl_str_mv Repositório do ISPA
dc.creator.none.fl_str_mv Galhardo, Leonor
Correia, J.
Oliveira, Rui Filipe
dc.date.Accepted.fl_str_mv 2008-01-01T00:00:00Z
dc.date.available.fl_str_mv 2012-03-21T21:27:44Z
dc.date.embargoed.fl_str_mv 2012-03-21T21:27:44Z
dc.format.none.fl_str_mv application/pdf
dc.identifier.none.fl_str_mv http://hdl.handle.net/10400.12/1285
dc.language.none.fl_str_mv eng
dc.publisher.none.fl_str_mv Universities Federation for Animal Welfare
dc.rights.none.fl_str_mv http://purl.org/coar/access_right/c_abf2
dc.subject.none.fl_str_mv Animal welfare
Behavioural needs
Cortisol
Fish welfare
Glucose
Substrate
dc.title.fl_str_mv The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)
dc.type.none.fl_str_mv http://purl.org/coar/resource_type/c_6501
description Male African cichlids (Oreochromis mossambicus) establish territories on the substrate upon which spawning pits are dug, thus attracting females. The substrate, therefore, plays a very significant role in its lifecycle. The effects of substrate access on behaviour and physiology in captivity were assessed. Mixed-sex, all-male and all-female groups were observed for five days, with and without substrate. Social patterns, behaviour directed towards the substrate, locomotor activity and spatial behaviour were recorded, and haematocrit, plasma cortisol and glucose levels were measured. Substrate inclusion saw a significant increase in behavioural diversity, sexual behaviour of dominant males in mixed groups, pit digging and territoriality whereas a lack of substrate was characterised by increased chafing and inactivity. Vacuum-pit digging was also observed. Frequency of aggression did not differ significantly and female behaviour was not affected by the presence of substrate. For both sexes, no differences in cortisol and glucose levels were found between the two treatments, but haematocrit increased with substrate. The key role played by substrate in territorial males is consistent with the behavioural and physiological data reported. In the absence of substrate, decreased territorial behaviour is contrasted with similar levels of aggression, cortisol and glucose; all of which are suggestive of a stress-related context. Moreover, the exhibition of vacuum activities is a signal that behavioural needs are not being met and may be some form of coping mechanism. These findings, taken in conjunction with the variations in behavioural diversity and inactivity, suggest that the welfare of male cichlids may be adversely affected by the absence of substrate.
dirty 0
eu_rights_str_mv openAccess
format article
fulltext.url.fl_str_mv https://repositorio.ispa.pt/bitstreams/00f3a485-460d-4060-b811-ee1b8085ad84/download
id ispa_3d68c2a4fa20d4e7adaf33496ca9aaf6
identifier.url.fl_str_mv http://hdl.handle.net/10400.12/1285
instacron_str ispa
institution Ispa-Instituto Universitário
instname_str Ispa-Instituto Universitário
language eng
network_acronym_str ispa
network_name_str Repositório do Ispa - Instituto Universitário
oai_identifier_str oai:repositorio.ispa.pt:10400.12/1285
organization_str_mv urn:organizationAcronym:ispa
person_str_mv Galhardo, Leonor
Correia, J.
Oliveira, Rui Filipe
publishDate 2008
publisher.none.fl_str_mv Universities Federation for Animal Welfare
reponame_str Repositório do Ispa - Instituto Universitário
repository_id_str urn:repositoryAcronym:ispa
service_str_mv urn:repositoryAcronym:ispa
spelling engUniversities Federation for Animal WelfareporMale African cichlids (Oreochromis mossambicus) establish territories on the substrate upon which spawning pits are dug, thus attracting females. The substrate, therefore, plays a very significant role in its lifecycle. The effects of substrate access on behaviour and physiology in captivity were assessed. Mixed-sex, all-male and all-female groups were observed for five days, with and without substrate. Social patterns, behaviour directed towards the substrate, locomotor activity and spatial behaviour were recorded, and haematocrit, plasma cortisol and glucose levels were measured. Substrate inclusion saw a significant increase in behavioural diversity, sexual behaviour of dominant males in mixed groups, pit digging and territoriality whereas a lack of substrate was characterised by increased chafing and inactivity. Vacuum-pit digging was also observed. Frequency of aggression did not differ significantly and female behaviour was not affected by the presence of substrate. For both sexes, no differences in cortisol and glucose levels were found between the two treatments, but haematocrit increased with substrate. The key role played by substrate in territorial males is consistent with the behavioural and physiological data reported. In the absence of substrate, decreased territorial behaviour is contrasted with similar levels of aggression, cortisol and glucose; all of which are suggestive of a stress-related context. Moreover, the exhibition of vacuum activities is a signal that behavioural needs are not being met and may be some form of coping mechanism. These findings, taken in conjunction with the variations in behavioural diversity and inactivity, suggest that the welfare of male cichlids may be adversely affected by the absence of substrate.application/pdfporThe effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)Galhardo, LeonorCorreia, J.Oliveira, Rui FilipeHostingInstitutionOrganizationalRepositório do ISPAe-mailmailto:repositorio@ispa.ptrepositorio@ispa.ptISSNIsPartOf0962-72862012-03-21T21:27:44Z20082008-01-01T00:00:00ZHandlehttp://hdl.handle.net/10400.12/1285http://purl.org/coar/access_right/c_abf2open accessAnimal welfareBehavioural needsCortisolFish welfareGlucoseSubstrate191211 bytesliteraturehttp://purl.org/coar/resource_type/c_6501journal articlehttp://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://repositorio.ispa.pt/bitstreams/00f3a485-460d-4060-b811-ee1b8085ad84/downloadAnimal Welfare239254Hertfordshire
spellingShingle The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)
Galhardo, Leonor
Animal welfare
Behavioural needs
Cortisol
Fish welfare
Glucose
Substrate
status SINGLETON
subject.fl_str_mv Animal welfare
Behavioural needs
Cortisol
Fish welfare
Glucose
Substrate
title The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)
title_full The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)
title_fullStr The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)
title_full_unstemmed The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)
title_short The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)
title_sort The effect of substrate availability on behavioural and physiological indicators of welfare in the African cichlid (Oreochromis mossambicus)
topic Animal welfare
Behavioural needs
Cortisol
Fish welfare
Glucose
Substrate
topic_facet Animal welfare
Behavioural needs
Cortisol
Fish welfare
Glucose
Substrate
url http://hdl.handle.net/10400.12/1285
visible 1