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Comparison of feed intake behaviour and stress response in isolated and non‐isolated African catfish

Identifieur interne : 000449 ( Istex/Corpus ); précédent : 000448; suivant : 000450

Comparison of feed intake behaviour and stress response in isolated and non‐isolated African catfish

Auteurs : C. I. M. Martins ; M. Trenovski ; J. W. Schrama ; J. A. J. Verreth

Source :

RBID : ISTEX:CA8DE137F066208A0FBD216357D837E2BA900B3F

English descriptors

Abstract

This study shows that in African catfish Clarias gariepinus feed intake (IF) is stimulated by the presence of conspecifics resulting in higher IF and growth rate. The feeding duration and the frequency of feeding acts were lower in isolated fish as compared with non‐isolated fish, indicating a decreased feeding motivation when fish are held individually. Isolation per se, however, seems not to act as a stressor in the short‐term or to affect the stress response, probably because periods of isolation are part of the African catfish lifestyle.

Url:
DOI: 10.1111/j.1095-8649.2006.01121.x

Links to Exploration step

ISTEX:CA8DE137F066208A0FBD216357D837E2BA900B3F

Le document en format XML

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<affiliation>Aquaculture and Fisheries Group, Wageningen University, P. O. Box 338, 6700 AH Wageningen, The Netherlands</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<typeOfResource>text</typeOfResource>
<genre type="brief-communication" displayLabel="shortCommunication"></genre>
<originInfo>
<publisher>Blackwell Publishing Ltd</publisher>
<place>
<placeTerm type="text">Oxford, UK</placeTerm>
</place>
<dateIssued encoding="w3cdtf">2006-08</dateIssued>
<edition>(Received 22 March 2005, Accepted 23 February 2006)</edition>
<copyrightDate encoding="w3cdtf">2006</copyrightDate>
</originInfo>
<language>
<languageTerm type="code" authority="rfc3066">en</languageTerm>
<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
</language>
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<extent unit="figures">1</extent>
<extent unit="tables">1</extent>
<extent unit="formulas">5</extent>
<extent unit="references">29</extent>
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<abstract lang="en">This study shows that in African catfish Clarias gariepinus feed intake (IF) is stimulated by the presence of conspecifics resulting in higher IF and growth rate. The feeding duration and the frequency of feeding acts were lower in isolated fish as compared with non‐isolated fish, indicating a decreased feeding motivation when fish are held individually. Isolation per se, however, seems not to act as a stressor in the short‐term or to affect the stress response, probably because periods of isolation are part of the African catfish lifestyle.</abstract>
<subject lang="en">
<genre>keywords</genre>
<topic>cortisol</topic>
<topic>feeding duration</topic>
<topic>glucose</topic>
<topic>isolation</topic>
<topic>lactate</topic>
<topic>number of feeding acts</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Journal of Fish Biology</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">0022-1112</identifier>
<identifier type="eISSN">1095-8649</identifier>
<identifier type="DOI">10.1111/(ISSN)1095-8649</identifier>
<identifier type="PublisherID">JFB</identifier>
<part>
<date>2006</date>
<detail type="volume">
<caption>vol.</caption>
<number>69</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>2</number>
</detail>
<extent unit="pages">
<start>629</start>
<end>636</end>
<total>8</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">CA8DE137F066208A0FBD216357D837E2BA900B3F</identifier>
<identifier type="DOI">10.1111/j.1095-8649.2006.01121.x</identifier>
<identifier type="ArticleID">JFB1121</identifier>
<accessCondition type="use and reproduction" contentType="copyright">2006 The Fisheries Society of the British Isles</accessCondition>
<recordInfo>
<recordContentSource>WILEY</recordContentSource>
<recordOrigin>Blackwell Publishing Ltd</recordOrigin>
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<serie></serie>
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