Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus
Identifieur interne : 000A49 ( Istex/Corpus ); précédent : 000A48; suivant : 000A50Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus
Auteurs : J. M Belanger ; J. H Son ; K. D Laugero ; G. P Moberg ; S. I Doroshov ; S. E Lankford ; J. J Cech Jr.Source :
- Aquaculture [ 0044-8486 ] ; 2001.
Abstract
General management practices including capture, handling and transportation in fish hatcheries can induce a stress response indicated by a plasma cortisol increase in many species. However, this phenomenon is not well established in cultured white sturgeon (Acipenser transmontanus). We determined resting levels of cortisol and the cortisol responses to two management stressors and to exogenous adrenocorticotropic hormone (ACTH1–24) injections in cannulated mature male white sturgeon. Mean resting cortisol level was 8.6 ng/ml and ranged over 5.8–12.8 ng/ml through a 22-h period. Water reduction and transportation+handling stressors elicited significant cortisol increases above pre-stress and post-stress levels. Exogenous ACTH1–24 injections of 0.5 and 5.0 μM caused dose-dependent peak cortisol increases above those produced by either the water reduction or transportation+handling stressors.
Url:
DOI: 10.1016/S0044-8486(01)00620-2
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D Laugero</name><affiliation><mods:affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</mods:affiliation></affiliation></author><author><name sortKey="Moberg, G P" sort="Moberg, G P" uniqKey="Moberg G" first="G. P" last="Moberg">G. P Moberg</name><affiliation><mods:affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>1 Deceased.</mods:affiliation></affiliation></author><author><name sortKey="Doroshov, S I" sort="Doroshov, S I" uniqKey="Doroshov S" first="S. I" last="Doroshov">S. I Doroshov</name><affiliation><mods:affiliation>Corresponding author. Tel.: +1-530-752-7603/2058; fax: +1-530-752-0175</mods:affiliation></affiliation><affiliation><mods:affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: sidoroshov@ucdavis.edu</mods:affiliation></affiliation></author><author><name sortKey="Lankford, S E" sort="Lankford, S E" uniqKey="Lankford S" first="S. E" last="Lankford">S. E Lankford</name><affiliation><mods:affiliation>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</mods:affiliation></affiliation></author><author><name sortKey="Cech Jr, J J" sort="Cech Jr, J J" uniqKey="Cech Jr J" first="J. J" last="Cech Jr.">J. J Cech Jr.</name><affiliation><mods:affiliation>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:F980C8F2E1272C905F006B7402E259798066F33A</idno><date when="2001" year="2001">2001</date><idno type="doi">10.1016/S0044-8486(01)00620-2</idno><idno type="url">https://api.istex.fr/document/F980C8F2E1272C905F006B7402E259798066F33A/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000A49</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000A49</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus</title><author><name sortKey="Belanger, J M" sort="Belanger, J M" uniqKey="Belanger J" first="J. M" last="Belanger">J. M Belanger</name><affiliation><mods:affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</mods:affiliation></affiliation></author><author><name sortKey="Son, J H" sort="Son, J H" uniqKey="Son J" first="J. H" last="Son">J. H Son</name><affiliation><mods:affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</mods:affiliation></affiliation></author><author><name sortKey="Laugero, K D" sort="Laugero, K D" uniqKey="Laugero K" first="K. D" last="Laugero">K. D Laugero</name><affiliation><mods:affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</mods:affiliation></affiliation></author><author><name sortKey="Moberg, G P" sort="Moberg, G P" uniqKey="Moberg G" first="G. P" last="Moberg">G. P Moberg</name><affiliation><mods:affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>1 Deceased.</mods:affiliation></affiliation></author><author><name sortKey="Doroshov, S I" sort="Doroshov, S I" uniqKey="Doroshov S" first="S. I" last="Doroshov">S. I Doroshov</name><affiliation><mods:affiliation>Corresponding author. Tel.: +1-530-752-7603/2058; fax: +1-530-752-0175</mods:affiliation></affiliation><affiliation><mods:affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: sidoroshov@ucdavis.edu</mods:affiliation></affiliation></author><author><name sortKey="Lankford, S E" sort="Lankford, S E" uniqKey="Lankford S" first="S. E" last="Lankford">S. E Lankford</name><affiliation><mods:affiliation>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</mods:affiliation></affiliation></author><author><name sortKey="Cech Jr, J J" sort="Cech Jr, J J" uniqKey="Cech Jr J" first="J. J" last="Cech Jr.">J. J Cech Jr.</name><affiliation><mods:affiliation>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Aquaculture</title><title level="j" type="abbrev">AQUA</title><idno type="ISSN">0044-8486</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="2001">2001</date><biblScope unit="volume">203</biblScope><biblScope unit="issue">1–2</biblScope><biblScope unit="page" from="165">165</biblScope><biblScope unit="page" to="176">176</biblScope></imprint><idno type="ISSN">0044-8486</idno></series><idno type="istex">F980C8F2E1272C905F006B7402E259798066F33A</idno><idno type="DOI">10.1016/S0044-8486(01)00620-2</idno><idno type="PII">S0044-8486(01)00620-2</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0044-8486</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">General management practices including capture, handling and transportation in fish hatcheries can induce a stress response indicated by a plasma cortisol increase in many species. However, this phenomenon is not well established in cultured white sturgeon (Acipenser transmontanus). We determined resting levels of cortisol and the cortisol responses to two management stressors and to exogenous adrenocorticotropic hormone (ACTH1–24) injections in cannulated mature male white sturgeon. Mean resting cortisol level was 8.6 ng/ml and ranged over 5.8–12.8 ng/ml through a 22-h period. Water reduction and transportation+handling stressors elicited significant cortisol increases above pre-stress and post-stress levels. Exogenous ACTH1–24 injections of 0.5 and 5.0 μM caused dose-dependent peak cortisol increases above those produced by either the water reduction or transportation+handling stressors.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>J.M Belanger</name><affiliations><json:string>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</json:string></affiliations></json:item><json:item><name>J.H Son</name><affiliations><json:string>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</json:string></affiliations></json:item><json:item><name>K.D Laugero</name><affiliations><json:string>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</json:string></affiliations></json:item><json:item><name>G.P Moberg</name><affiliations><json:string>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</json:string><json:string>1 Deceased.</json:string></affiliations></json:item><json:item><name>S.I Doroshov</name><affiliations><json:string>Corresponding author. Tel.: +1-530-752-7603/2058; fax: +1-530-752-0175</json:string><json:string>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</json:string><json:string>E-mail: sidoroshov@ucdavis.edu</json:string></affiliations></json:item><json:item><name>S.E Lankford</name><affiliations><json:string>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</json:string></affiliations></json:item><json:item><name>J.J Cech, Jr.</name><affiliations><json:string>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Sturgeon</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Stress</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Management</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Cortisol</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>ACTH</value></json:item></subject><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>General management practices including capture, handling and transportation in fish hatcheries can induce a stress response indicated by a plasma cortisol increase in many species. However, this phenomenon is not well established in cultured white sturgeon (Acipenser transmontanus). We determined resting levels of cortisol and the cortisol responses to two management stressors and to exogenous adrenocorticotropic hormone (ACTH1–24) injections in cannulated mature male white sturgeon. Mean resting cortisol level was 8.6 ng/ml and ranged over 5.8–12.8 ng/ml through a 22-h period. Water reduction and transportation+handling stressors elicited significant cortisol increases above pre-stress and post-stress levels. Exogenous ACTH1–24 injections of 0.5 and 5.0 μM caused dose-dependent peak cortisol increases above those produced by either the water reduction or transportation+handling stressors.</abstract><qualityIndicators><score>6.428</score><pdfVersion>1.2</pdfVersion><pdfPageSize>435 x 643 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>5</keywordCount><abstractCharCount>902</abstractCharCount><pdfWordCount>5012</pdfWordCount><pdfCharCount>30198</pdfCharCount><pdfPageCount>12</pdfPageCount><abstractWordCount>119</abstractWordCount></qualityIndicators><title>Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus</title><pii><json:string>S0044-8486(01)00620-2</json:string></pii><genre><json:string>research-article</json:string></genre><serie><volume>vol. 9</volume><editor><json:item><name>J.R. Clarke</name></json:item></editor><pages><last>496</last><first>456</first></pages><language><json:string>unknown</json:string></language><title>Oxford Reviews of Reproductive Biology</title></serie><host><volume>203</volume><pii><json:string>S0044-8486(00)X0141-X</json:string></pii><pages><last>176</last><first>165</first></pages><issn><json:string>0044-8486</json:string></issn><issue>1–2</issue><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><title>Aquaculture</title><publicationDate>2001</publicationDate></host><categories><wos><json:string>science</json:string><json:string>marine & freshwater biology</json:string><json:string>fisheries</json:string></wos><scienceMetrix><json:string>applied sciences</json:string><json:string>agriculture, fisheries & forestry</json:string><json:string>fisheries</json:string></scienceMetrix></categories><publicationDate>2001</publicationDate><copyrightDate>2001</copyrightDate><doi><json:string>10.1016/S0044-8486(01)00620-2</json:string></doi><id>F980C8F2E1272C905F006B7402E259798066F33A</id><score>0.07380104</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/F980C8F2E1272C905F006B7402E259798066F33A/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/F980C8F2E1272C905F006B7402E259798066F33A/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/F980C8F2E1272C905F006B7402E259798066F33A/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a">Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>©2001 Elsevier Science B.V.</p></availability><date>2001</date></publicationStmt><notesStmt><note type="content">Fig. 1: Resting plasma cortisol concentrations (mean±S.E.) in cannulated male white sturgeon (n=8) over a 22-h period. Bar represents day and night sampling. Means not sharing the same letters in superscripts are significantly different (P<0.05).</note><note type="content">Fig. 2: Plasma cortisol concentrations (mean±S.E.) for water reduction stress in cannulated male white sturgeon (n=5). Water draining began at time 0. Data labels: (1) fish was partially exposed to air; (2) fish was covered with water as tank refill started; (3) tank was refilled. Means not sharing the same letters in superscripts are significantly different (P<0.05).</note><note type="content">Fig. 3: Plasma cortisol concentrations (mean±S.E.) for transportation stress in cannulated male white sturgeon (n=2). Bar represents time of capture, transport, and unloading. Data labels: (1) fish was placed in transport tank for 15 min acclimation; (2) transport started; (3)–(6) samples during transport; (7) fish was unloaded into the home tank. Means not sharing the same letters in superscripts are significantly different (P<0.05).</note><note type="content">Fig. 4: Plasma cortisol concentrations (mean±S.E.) for three ACTH doses (0.2, 0.5 and 5.0 μM administered at time 0) in cannulated male white sturgeon (n=2, 4, 4, respectively). Means not sharing the same letters in supercripts are significantly different (P<0.05).</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a">Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus</title><author xml:id="author-1"><persName><forename type="first">J.M</forename><surname>Belanger</surname></persName><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation></author><author xml:id="author-2"><persName><forename type="first">J.H</forename><surname>Son</surname></persName><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation></author><author xml:id="author-3"><persName><forename type="first">K.D</forename><surname>Laugero</surname></persName><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation></author><author xml:id="author-4"><persName><forename type="first">G.P</forename><surname>Moberg</surname></persName><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation><affiliation>1 Deceased.</affiliation></author><author xml:id="author-5"><persName><forename type="first">S.I</forename><surname>Doroshov</surname></persName><email>sidoroshov@ucdavis.edu</email><affiliation>Corresponding author. Tel.: +1-530-752-7603/2058; fax: +1-530-752-0175</affiliation><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation></author><author xml:id="author-6"><persName><forename type="first">S.E</forename><surname>Lankford</surname></persName><affiliation>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</affiliation></author><author xml:id="author-7"><persName><forename type="first">J.J</forename><surname>Cech, Jr.</surname></persName><affiliation>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</affiliation></author></analytic><monogr><title level="j">Aquaculture</title><title level="j" type="abbrev">AQUA</title><idno type="pISSN">0044-8486</idno><idno type="PII">S0044-8486(00)X0141-X</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="2001"></date><biblScope unit="volume">203</biblScope><biblScope unit="issue">1–2</biblScope><biblScope unit="page" from="165">165</biblScope><biblScope unit="page" to="176">176</biblScope></imprint></monogr><idno type="istex">F980C8F2E1272C905F006B7402E259798066F33A</idno><idno type="DOI">10.1016/S0044-8486(01)00620-2</idno><idno type="PII">S0044-8486(01)00620-2</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2001</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>General management practices including capture, handling and transportation in fish hatcheries can induce a stress response indicated by a plasma cortisol increase in many species. However, this phenomenon is not well established in cultured white sturgeon (Acipenser transmontanus). We determined resting levels of cortisol and the cortisol responses to two management stressors and to exogenous adrenocorticotropic hormone (ACTH1–24) injections in cannulated mature male white sturgeon. Mean resting cortisol level was 8.6 ng/ml and ranged over 5.8–12.8 ng/ml through a 22-h period. Water reduction and transportation+handling stressors elicited significant cortisol increases above pre-stress and post-stress levels. Exogenous ACTH1–24 injections of 0.5 and 5.0 μM caused dose-dependent peak cortisol increases above those produced by either the water reduction or transportation+handling stressors.</p></abstract><textClass><keywords scheme="keyword"><list><head>Keywords</head><item><term>Sturgeon</term></item><item><term>Stress</term></item><item><term>Management</term></item><item><term>Cortisol</term></item><item><term>ACTH</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2001-02-21">Modified</change><change when="2001">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/F980C8F2E1272C905F006B7402E259798066F33A/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: ce:floats; body; tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"><istex:entity SYSTEM="gr1" NDATA="IMAGE" name="gr1"></istex:entity><istex:entity SYSTEM="gr2" NDATA="IMAGE" name="gr2"></istex:entity><istex:entity SYSTEM="gr3" NDATA="IMAGE" name="gr3"></istex:entity><istex:entity SYSTEM="gr4" NDATA="IMAGE" name="gr4"></istex:entity></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>AQUA</jid><aid>61623</aid><ce:pii>S0044-8486(01)00620-2</ce:pii><ce:doi>10.1016/S0044-8486(01)00620-2</ce:doi><ce:copyright type="full-transfer" year="2001">Elsevier Science B.V.</ce:copyright></item-info><head><ce:title>Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, <ce:italic>Acipenser transmontanus</ce:italic></ce:title><ce:author-group><ce:author><ce:given-name>J.M</ce:given-name><ce:surname>Belanger</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>J.H</ce:given-name><ce:surname>Son</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>K.D</ce:given-name><ce:surname>Laugero</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>G.P</ce:given-name><ce:surname>Moberg</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref><ce:cross-ref refid="FN1"><ce:sup>1</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>S.I</ce:given-name><ce:surname>Doroshov</ce:surname><ce:cross-ref refid="COR1">*</ce:cross-ref><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref><ce:e-address>sidoroshov@ucdavis.edu</ce:e-address></ce:author><ce:author><ce:given-name>S.E</ce:given-name><ce:surname>Lankford</ce:surname><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>J.J</ce:given-name><ce:surname>Cech</ce:surname><ce:suffix>Jr.</ce:suffix><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</ce:textfn></ce:affiliation><ce:correspondence id="COR1"><ce:label>*</ce:label><ce:text>Corresponding author. Tel.: +1-530-752-7603/2058; fax: +1-530-752-0175</ce:text></ce:correspondence><ce:footnote id="FN1"><ce:label>1</ce:label><ce:note-para>Deceased.</ce:note-para></ce:footnote></ce:author-group><ce:date-received day="5" month="1" year="2000"></ce:date-received><ce:date-revised day="21" month="2" year="2001"></ce:date-revised><ce:date-accepted day="27" month="3" year="2001"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>General management practices including capture, handling and transportation in fish hatcheries can induce a stress response indicated by a plasma cortisol increase in many species. However, this phenomenon is not well established in cultured white sturgeon (<ce:italic>Acipenser transmontanus</ce:italic>). We determined resting levels of cortisol and the cortisol responses to two management stressors and to exogenous adrenocorticotropic hormone (ACTH<ce:inf>1–24</ce:inf>) injections in cannulated mature male white sturgeon. Mean resting cortisol level was 8.6 ng/ml and ranged over 5.8–12.8 ng/ml through a 22-h period. Water reduction and transportation+handling stressors elicited significant cortisol increases above pre-stress and post-stress levels. Exogenous ACTH<ce:inf>1–24</ce:inf> injections of 0.5 and 5.0 μM caused dose-dependent peak cortisol increases above those produced by either the water reduction or transportation+handling stressors.</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords class="keyword"><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>Sturgeon</ce:text></ce:keyword><ce:keyword><ce:text>Stress</ce:text></ce:keyword><ce:keyword><ce:text>Management</ce:text></ce:keyword><ce:keyword><ce:text>Cortisol</ce:text></ce:keyword><ce:keyword><ce:text>ACTH</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon, Acipenser transmontanus</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Effects of short-term management stress and ACTH injections on plasma cortisol levels in cultured white sturgeon,</title></titleInfo><name type="personal"><namePart type="given">J.M</namePart><namePart type="family">Belanger</namePart><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.H</namePart><namePart type="family">Son</namePart><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">K.D</namePart><namePart type="family">Laugero</namePart><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">G.P</namePart><namePart type="family">Moberg</namePart><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation><affiliation>1 Deceased.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.I</namePart><namePart type="family">Doroshov</namePart><affiliation>Corresponding author. Tel.: +1-530-752-7603/2058; fax: +1-530-752-0175</affiliation><affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, CA 95616, USA</affiliation><affiliation>E-mail: sidoroshov@ucdavis.edu</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.E</namePart><namePart type="family">Lankford</namePart><affiliation>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.J</namePart><namePart type="family">Cech, Jr.</namePart><affiliation>Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, CA 95616, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">2001</dateIssued><dateModified encoding="w3cdtf">2001-02-21</dateModified><copyrightDate encoding="w3cdtf">2001</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">General management practices including capture, handling and transportation in fish hatcheries can induce a stress response indicated by a plasma cortisol increase in many species. However, this phenomenon is not well established in cultured white sturgeon (Acipenser transmontanus). We determined resting levels of cortisol and the cortisol responses to two management stressors and to exogenous adrenocorticotropic hormone (ACTH1–24) injections in cannulated mature male white sturgeon. Mean resting cortisol level was 8.6 ng/ml and ranged over 5.8–12.8 ng/ml through a 22-h period. Water reduction and transportation+handling stressors elicited significant cortisol increases above pre-stress and post-stress levels. Exogenous ACTH1–24 injections of 0.5 and 5.0 μM caused dose-dependent peak cortisol increases above those produced by either the water reduction or transportation+handling stressors.</abstract><note type="content">Fig. 1: Resting plasma cortisol concentrations (mean±S.E.) in cannulated male white sturgeon (n=8) over a 22-h period. Bar represents day and night sampling. Means not sharing the same letters in superscripts are significantly different (P<0.05).</note><note type="content">Fig. 2: Plasma cortisol concentrations (mean±S.E.) for water reduction stress in cannulated male white sturgeon (n=5). Water draining began at time 0. Data labels: (1) fish was partially exposed to air; (2) fish was covered with water as tank refill started; (3) tank was refilled. Means not sharing the same letters in superscripts are significantly different (P<0.05).</note><note type="content">Fig. 3: Plasma cortisol concentrations (mean±S.E.) for transportation stress in cannulated male white sturgeon (n=2). Bar represents time of capture, transport, and unloading. Data labels: (1) fish was placed in transport tank for 15 min acclimation; (2) transport started; (3)–(6) samples during transport; (7) fish was unloaded into the home tank. Means not sharing the same letters in superscripts are significantly different (P<0.05).</note><note type="content">Fig. 4: Plasma cortisol concentrations (mean±S.E.) for three ACTH doses (0.2, 0.5 and 5.0 μM administered at time 0) in cannulated male white sturgeon (n=2, 4, 4, respectively). Means not sharing the same letters in supercripts are significantly different (P<0.05).</note><subject><genre>Keywords</genre><topic>Sturgeon</topic><topic>Stress</topic><topic>Management</topic><topic>Cortisol</topic><topic>ACTH</topic></subject><relatedItem type="host"><titleInfo><title>Aquaculture</title></titleInfo><titleInfo type="abbreviated"><title>AQUA</title></titleInfo><genre type="journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">20011126</dateIssued></originInfo><identifier type="ISSN">0044-8486</identifier><identifier type="PII">S0044-8486(00)X0141-X</identifier><part><date>20011126</date><detail type="volume"><number>203</number><caption>vol.</caption></detail><detail type="issue"><number>1–2</number><caption>no.</caption></detail><extent unit="issue pages"><start>1</start><end>220</end></extent><extent unit="pages"><start>165</start><end>176</end></extent></part></relatedItem><identifier type="istex">F980C8F2E1272C905F006B7402E259798066F33A</identifier><identifier type="DOI">10.1016/S0044-8486(01)00620-2</identifier><identifier type="PII">S0044-8486(01)00620-2</identifier><accessCondition type="use and reproduction" contentType="copyright">©2001 Elsevier Science B.V.</accessCondition><recordInfo><recordContentSource>ELSEVIER</recordContentSource><recordOrigin>Elsevier Science B.V., ©2001</recordOrigin></recordInfo></mods></metadata></istex></record>Pour manipuler ce document sous Unix (Dilib)
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