Intercontinental transfer of adult Acipenser oxyrinchus– impact assessment of aviation transport conditions on blood parameters
Identifieur interne : 001352 ( Istex/Corpus ); précédent : 001351; suivant : 001353Intercontinental transfer of adult Acipenser oxyrinchus– impact assessment of aviation transport conditions on blood parameters
Auteurs : J. Gessner ; A. Horvath ; G. Arndt ; B. Urbányi ; E. Anders ; A. Hegyi ; S. WuertzSource :
- Journal of Applied Ichthyology [ 0175-8659 ] ; 2009-08.
Abstract
In order to facilitate intercontinental air transport of live sturgeon broodstock, a simulation test for an 8‐h flight was performed in a pressure chamber (pressure profiles resembling conditions during trans‐Atlantic cargo flights). Atlantic sturgeon (Acipenser oxyrinchus) were maintained in sealed polyethylene bags with water and an oxygen‐enriched atmosphere at a ratio of 1 : 5 : 10 (fish:water:oxygen by volume) over a 10 h period at 15°C water temperature. Minimum pressure during the simulated flight was regulated at an elevation of 2600 m equalling 850 hPa. Decompression and compression phases to simulate takeoff and landing were set at 30 min each. Respiration frequency was recorded during flight simulation. Blood pH, blood pO2 and pCO2 as well as Ca2+, Na+, K+, Cl−, glucose and cortisol, cholesterol and trigycerids were also monitored prior to and after transport (at 12, 24, 36, 280 and 366 h). During exposure in the bags, blood pH decreased from a mean of 7.35 to 7.11 and blood pCO2 increased from 2.48 to 8.53 hPa. Both parameters revealed the most significant deviations from control levels immediately following the trial, returning to normal levels after 36 h. In contrast, the Na2+, Ca2+and Cl− ion as well as glucose concentration required 72 h following the simulated transport until baseline levels were reached. During the subsequent transatlantic transport trials from Canada to Germany, blood parameters were utilized to assess fish recovery following transport. Additionally, testing of the transport water revealed that NH4–N reached critical levels of 6 mg l−1 within 16–18 h when the fish were kept in the sealed bags at 10°C. Following transport, adaptation of pH in the water of the rearing facility to levels of pH 6.9–7.0 for 20–28 h minimized toxic NH3 concentrations and ensured recovery. Recovery times varied to a large extent, influenced by the condition factor of the fish. Fish survival was 100% for 2 months post‐transport, indicating that the critical parameters were met during transport.
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DOI: 10.1111/j.1439-0426.2009.01188.x
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Urbányi</name><affiliation><mods:affiliation>Department of Fish Culture, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllö, Hungary</mods:affiliation></affiliation></author><author><name sortKey="Anders, E" sort="Anders, E" uniqKey="Anders E" first="E." last="Anders">E. Anders</name><affiliation><mods:affiliation>Regional Research Board for Agriculture and Fisheries Mecklenburg‐Vorpommern, Born/Darss, Germany</mods:affiliation></affiliation></author><author><name sortKey="Hegyi, A" sort="Hegyi, A" uniqKey="Hegyi A" first="A." last="Hegyi">A. Hegyi</name><affiliation><mods:affiliation>Department of Fish Culture, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllö, Hungary</mods:affiliation></affiliation></author><author><name sortKey="Wuertz, S" sort="Wuertz, S" uniqKey="Wuertz S" first="S." last="Wuertz">S. Wuertz</name><affiliation><mods:affiliation>Department of Biology and Ecology of Fishes, Leibniz Institute of Freshwater Ecology and Inland Fishery, Berlin, Germany</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Applied Ichthyology</title><idno type="ISSN">0175-8659</idno><idno type="eISSN">1439-0426</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2009-08">2009-08</date><biblScope unit="volume">25</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="365">365</biblScope><biblScope unit="page" to="371">371</biblScope></imprint><idno type="ISSN">0175-8659</idno></series><idno type="istex">FB00B5DF01858BEF6365AD9AF7B4E4877443841A</idno><idno type="DOI">10.1111/j.1439-0426.2009.01188.x</idno><idno type="ArticleID">JAI1188</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0175-8659</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In order to facilitate intercontinental air transport of live sturgeon broodstock, a simulation test for an 8‐h flight was performed in a pressure chamber (pressure profiles resembling conditions during trans‐Atlantic cargo flights). Atlantic sturgeon (Acipenser oxyrinchus) were maintained in sealed polyethylene bags with water and an oxygen‐enriched atmosphere at a ratio of 1 : 5 : 10 (fish:water:oxygen by volume) over a 10 h period at 15°C water temperature. Minimum pressure during the simulated flight was regulated at an elevation of 2600 m equalling 850 hPa. Decompression and compression phases to simulate takeoff and landing were set at 30 min each. Respiration frequency was recorded during flight simulation. Blood pH, blood pO2 and pCO2 as well as Ca2+, Na+, K+, Cl−, glucose and cortisol, cholesterol and trigycerids were also monitored prior to and after transport (at 12, 24, 36, 280 and 366 h). During exposure in the bags, blood pH decreased from a mean of 7.35 to 7.11 and blood pCO2 increased from 2.48 to 8.53 hPa. Both parameters revealed the most significant deviations from control levels immediately following the trial, returning to normal levels after 36 h. In contrast, the Na2+, Ca2+and Cl− ion as well as glucose concentration required 72 h following the simulated transport until baseline levels were reached. During the subsequent transatlantic transport trials from Canada to Germany, blood parameters were utilized to assess fish recovery following transport. Additionally, testing of the transport water revealed that NH4–N reached critical levels of 6 mg l−1 within 16–18 h when the fish were kept in the sealed bags at 10°C. Following transport, adaptation of pH in the water of the rearing facility to levels of pH 6.9–7.0 for 20–28 h minimized toxic NH3 concentrations and ensured recovery. Recovery times varied to a large extent, influenced by the condition factor of the fish. Fish survival was 100% for 2 months post‐transport, indicating that the critical parameters were met during transport.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>J. 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Decompression and compression phases to simulate takeoff and landing were set at 30 min each. Respiration frequency was recorded during flight simulation. Blood pH, blood pO2 and pCO2 as well as Ca2+, Na+, K+, Cl−, glucose and cortisol, cholesterol and trigycerids were also monitored prior to and after transport (at 12, 24, 36, 280 and 366 h). During exposure in the bags, blood pH decreased from a mean of 7.35 to 7.11 and blood pCO2 increased from 2.48 to 8.53 hPa. Both parameters revealed the most significant deviations from control levels immediately following the trial, returning to normal levels after 36 h. In contrast, the Na2+, Ca2+and Cl− ion as well as glucose concentration required 72 h following the simulated transport until baseline levels were reached. During the subsequent transatlantic transport trials from Canada to Germany, blood parameters were utilized to assess fish recovery following transport. Additionally, testing of the transport water revealed that NH4–N reached critical levels of 6 mg l−1 within 16–18 h when the fish were kept in the sealed bags at 10°C. Following transport, adaptation of pH in the water of the rearing facility to levels of pH 6.9–7.0 for 20–28 h minimized toxic NH3 concentrations and ensured recovery. Recovery times varied to a large extent, influenced by the condition factor of the fish. 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Journal compilation © 2009 Blackwell Verlag GmbH</p></availability><date>2009</date></publicationStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Intercontinental transfer of adult Acipenser oxyrinchus– impact assessment of aviation transport conditions on blood parameters</title><author xml:id="author-1"><persName><forename type="first">J.</forename><surname>Gessner</surname></persName><affiliation>Department of Biology and Ecology of Fishes, Leibniz Institute of Freshwater Ecology and Inland Fishery, Berlin, Germany</affiliation></author><author xml:id="author-2"><persName><forename type="first">A.</forename><surname>Horvath</surname></persName><affiliation>Department of Fish Culture, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllö, Hungary</affiliation></author><author xml:id="author-3"><persName><forename type="first">G.‐M.</forename><surname>Arndt</surname></persName><affiliation>Fish and Environment Mecklenburg‐Vorpommern, Rostock, Germany</affiliation></author><author xml:id="author-4"><persName><forename type="first">B.</forename><surname>Urbányi</surname></persName><affiliation>Department of Fish Culture, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllö, Hungary</affiliation></author><author xml:id="author-5"><persName><forename type="first">E.</forename><surname>Anders</surname></persName><affiliation>Regional Research Board for Agriculture and Fisheries Mecklenburg‐Vorpommern, Born/Darss, Germany</affiliation></author><author xml:id="author-6"><persName><forename type="first">A.</forename><surname>Hegyi</surname></persName><affiliation>Department of Fish Culture, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllö, Hungary</affiliation></author><author xml:id="author-7"><persName><forename type="first">S.</forename><surname>Wuertz</surname></persName><affiliation>Department of Biology and Ecology of Fishes, Leibniz Institute of Freshwater Ecology and Inland Fishery, Berlin, Germany</affiliation></author></analytic><monogr><title level="j">Journal of Applied Ichthyology</title><idno type="pISSN">0175-8659</idno><idno type="eISSN">1439-0426</idno><idno type="DOI">10.1111/(ISSN)1439-0426</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2009-08"></date><biblScope unit="volume">25</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="365">365</biblScope><biblScope unit="page" to="371">371</biblScope></imprint></monogr><idno type="istex">FB00B5DF01858BEF6365AD9AF7B4E4877443841A</idno><idno type="DOI">10.1111/j.1439-0426.2009.01188.x</idno><idno type="ArticleID">JAI1188</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2009</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>In order to facilitate intercontinental air transport of live sturgeon broodstock, a simulation test for an 8‐h flight was performed in a pressure chamber (pressure profiles resembling conditions during trans‐Atlantic cargo flights). Atlantic sturgeon (Acipenser oxyrinchus) were maintained in sealed polyethylene bags with water and an oxygen‐enriched atmosphere at a ratio of 1 : 5 : 10 (fish:water:oxygen by volume) over a 10 h period at 15°C water temperature. Minimum pressure during the simulated flight was regulated at an elevation of 2600 m equalling 850 hPa. Decompression and compression phases to simulate takeoff and landing were set at 30 min each. Respiration frequency was recorded during flight simulation. Blood pH, blood pO2 and pCO2 as well as Ca2+, Na+, K+, Cl−, glucose and cortisol, cholesterol and trigycerids were also monitored prior to and after transport (at 12, 24, 36, 280 and 366 h). During exposure in the bags, blood pH decreased from a mean of 7.35 to 7.11 and blood pCO2 increased from 2.48 to 8.53 hPa. Both parameters revealed the most significant deviations from control levels immediately following the trial, returning to normal levels after 36 h. In contrast, the Na2+, Ca2+and Cl− ion as well as glucose concentration required 72 h following the simulated transport until baseline levels were reached. During the subsequent transatlantic transport trials from Canada to Germany, blood parameters were utilized to assess fish recovery following transport. Additionally, testing of the transport water revealed that NH4–N reached critical levels of 6 mg l−1 within 16–18 h when the fish were kept in the sealed bags at 10°C. Following transport, adaptation of pH in the water of the rearing facility to levels of pH 6.9–7.0 for 20–28 h minimized toxic NH3 concentrations and ensured recovery. Recovery times varied to a large extent, influenced by the condition factor of the fish. Fish survival was 100% for 2 months post‐transport, indicating that the critical parameters were met during transport.</p></abstract></profileDesc><revisionDesc><change when="2009-08">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/FB00B5DF01858BEF6365AD9AF7B4E4877443841A/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Blackwell Publishing Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1439-0426</doi><issn type="print">0175-8659</issn><issn type="electronic">1439-0426</issn><idGroup><id type="product" value="JAI"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="JOURNAL OF APPLIED ICHTHYOLOGY">Journal of Applied Ichthyology</title></titleGroup></publicationMeta><publicationMeta level="part" position="08004"><doi origin="wiley">10.1111/jai.2009.25.issue-4</doi><numberingGroup><numbering type="journalVolume" number="25">25</numbering><numbering type="journalIssue" number="4">4</numbering></numberingGroup><coverDate startDate="2009-08">August 2009</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="1" status="forIssue"><doi origin="wiley">10.1111/j.1439-0426.2009.01188.x</doi><idGroup><id type="unit" value="JAI1188"></id></idGroup><countGroup><count type="pageTotal" number="7"></count></countGroup><titleGroup><title type="tocHeading1">Original Articles</title></titleGroup><copyright>© 2009 The Authors. Journal compilation © 2009 Blackwell Verlag GmbH</copyright><eventGroup><event type="firstOnline" date="2009-06-22"></event><event type="publishedOnlineFinalForm" date="2009-07-16"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.2 mode:FullText source:FullText result:FullText" date="2010-03-15"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-01-28"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-23"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="365">365</numbering><numbering type="pageLast" number="371">371</numbering></numberingGroup><correspondenceTo><b>Author’s address:</b> J. Gessner, Department of Biology and Ecology of Fishes, Leibniz Institute of Freshwater Ecology and Inland Fishery, Müggelseedamm 310, D‐12587 Berlin, Germany.
E‐mail: <email normalForm="sturgeon@igb-berlin.de">sturgeon@igb‐berlin.de</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:JAI.JAI1188.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Received: December 30, 2007 Accepted: June 10, 2008</unparsedEditorialHistory><countGroup><count type="figureTotal" number="6"></count><count type="tableTotal" number="2"></count></countGroup><titleGroup><title type="main">Intercontinental transfer of adult <i>Acipenser oxyrinchus</i>– impact assessment of aviation transport conditions on blood parameters</title><title type="shortAuthors">J. Gessner et al.</title><title type="short">Intercontinental transfer of adult <i>A. oxyrinchus</i></title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1"><personName><givenNames>J.</givenNames><familyName>Gessner</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a2"><personName><givenNames>A.</givenNames><familyName>Horvath</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a3"><personName><givenNames>G.‐M.</givenNames><familyName>Arndt</familyName></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#a2"><personName><givenNames>B.</givenNames><familyName>Urbányi</familyName></personName></creator><creator creatorRole="author" xml:id="cr5" affiliationRef="#a4"><personName><givenNames>E.</givenNames><familyName>Anders</familyName></personName></creator><creator creatorRole="author" xml:id="cr6" affiliationRef="#a2"><personName><givenNames>A.</givenNames><familyName>Hegyi</familyName></personName></creator><creator creatorRole="author" xml:id="cr7" affiliationRef="#a1"><personName><givenNames>S.</givenNames><familyName>Wuertz</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="DE"><unparsedAffiliation>Department of Biology and Ecology of Fishes, Leibniz Institute of Freshwater Ecology and Inland Fishery, Berlin, Germany</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="HU"><unparsedAffiliation>Department of Fish Culture, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllö, Hungary</unparsedAffiliation></affiliation><affiliation xml:id="a3" countryCode="DE"><unparsedAffiliation>Fish and Environment Mecklenburg‐Vorpommern, Rostock, Germany</unparsedAffiliation></affiliation><affiliation xml:id="a4" countryCode="DE"><unparsedAffiliation>Regional Research Board for Agriculture and Fisheries Mecklenburg‐Vorpommern, Born/Darss, Germany</unparsedAffiliation></affiliation></affiliationGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Summary</title><p>In order to facilitate intercontinental air transport of live sturgeon broodstock, a simulation test for an 8‐h flight was performed in a pressure chamber (pressure profiles resembling conditions during trans‐Atlantic cargo flights). Atlantic sturgeon (<i>Acipenser oxyrinchus</i>) were maintained in sealed polyethylene bags with water and an oxygen‐enriched atmosphere at a ratio of 1 : 5 : 10 (fish:water:oxygen by volume) over a 10 h period at 15°C water temperature. Minimum pressure during the simulated flight was regulated at an elevation of 2600 m equalling 850 hPa. Decompression and compression phases to simulate takeoff and landing were set at 30 min each. Respiration frequency was recorded during flight simulation. Blood pH, blood pO<sub>2</sub> and pCO<sub>2</sub> as well as Ca<sup>2+</sup>, Na<sup>+</sup>, K<sup>+</sup>, Cl<sup>−</sup>, glucose and cortisol, cholesterol and trigycerids were also monitored prior to and after transport (at 12, 24, 36, 280 and 366 h). During exposure in the bags, blood pH decreased from a mean of 7.35 to 7.11 and blood pCO<sub>2</sub> increased from 2.48 to 8.53 hPa. Both parameters revealed the most significant deviations from control levels immediately following the trial, returning to normal levels after 36 h. In contrast, the Na<sup>2+</sup>, Ca<sup>2+</sup>and Cl<sup>−</sup> ion as well as glucose concentration required 72 h following the simulated transport until baseline levels were reached. During the subsequent transatlantic transport trials from Canada to Germany, blood parameters were utilized to assess fish recovery following transport. Additionally, testing of the transport water revealed that NH<sub>4</sub>–N reached critical levels of 6 mg l<sup>−1</sup> within 16–18 h when the fish were kept in the sealed bags at 10°C. Following transport, adaptation of pH in the water of the rearing facility to levels of pH 6.9–7.0 for 20–28 h minimized toxic NH<sub>3</sub> concentrations and ensured recovery. Recovery times varied to a large extent, influenced by the condition factor of the fish. Fish survival was 100% for 2 months post‐transport, indicating that the critical parameters were met during transport.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Intercontinental transfer of adult Acipenser oxyrinchus– impact assessment of aviation transport conditions on blood parameters</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Intercontinental transfer of adult A. oxyrinchus</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Intercontinental transfer of adult Acipenser oxyrinchus– impact assessment of aviation transport conditions on blood parameters</title></titleInfo><name type="personal"><namePart type="given">J.</namePart><namePart type="family">Gessner</namePart><affiliation>Department of Biology and Ecology of Fishes, Leibniz Institute of Freshwater Ecology and Inland Fishery, Berlin, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Horvath</namePart><affiliation>Department of Fish Culture, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllö, Hungary</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">G.‐M.</namePart><namePart type="family">Arndt</namePart><affiliation>Fish and Environment Mecklenburg‐Vorpommern, Rostock, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">B.</namePart><namePart type="family">Urbányi</namePart><affiliation>Department of Fish Culture, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllö, Hungary</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">E.</namePart><namePart type="family">Anders</namePart><affiliation>Regional Research Board for Agriculture and Fisheries Mecklenburg‐Vorpommern, Born/Darss, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Hegyi</namePart><affiliation>Department of Fish Culture, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllö, Hungary</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.</namePart><namePart type="family">Wuertz</namePart><affiliation>Department of Biology and Ecology of Fishes, Leibniz Institute of Freshwater Ecology and Inland Fishery, Berlin, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2009-08</dateIssued><edition>Received: December 30, 2007 Accepted: June 10, 2008</edition><copyrightDate encoding="w3cdtf">2009</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">6</extent><extent unit="tables">2</extent></physicalDescription><abstract lang="en">In order to facilitate intercontinental air transport of live sturgeon broodstock, a simulation test for an 8‐h flight was performed in a pressure chamber (pressure profiles resembling conditions during trans‐Atlantic cargo flights). Atlantic sturgeon (Acipenser oxyrinchus) were maintained in sealed polyethylene bags with water and an oxygen‐enriched atmosphere at a ratio of 1 : 5 : 10 (fish:water:oxygen by volume) over a 10 h period at 15°C water temperature. Minimum pressure during the simulated flight was regulated at an elevation of 2600 m equalling 850 hPa. Decompression and compression phases to simulate takeoff and landing were set at 30 min each. Respiration frequency was recorded during flight simulation. Blood pH, blood pO2 and pCO2 as well as Ca2+, Na+, K+, Cl−, glucose and cortisol, cholesterol and trigycerids were also monitored prior to and after transport (at 12, 24, 36, 280 and 366 h). During exposure in the bags, blood pH decreased from a mean of 7.35 to 7.11 and blood pCO2 increased from 2.48 to 8.53 hPa. Both parameters revealed the most significant deviations from control levels immediately following the trial, returning to normal levels after 36 h. In contrast, the Na2+, Ca2+and Cl− ion as well as glucose concentration required 72 h following the simulated transport until baseline levels were reached. During the subsequent transatlantic transport trials from Canada to Germany, blood parameters were utilized to assess fish recovery following transport. Additionally, testing of the transport water revealed that NH4–N reached critical levels of 6 mg l−1 within 16–18 h when the fish were kept in the sealed bags at 10°C. Following transport, adaptation of pH in the water of the rearing facility to levels of pH 6.9–7.0 for 20–28 h minimized toxic NH3 concentrations and ensured recovery. Recovery times varied to a large extent, influenced by the condition factor of the fish. Fish survival was 100% for 2 months post‐transport, indicating that the critical parameters were met during transport.</abstract><relatedItem type="host"><titleInfo><title>Journal of Applied Ichthyology</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0175-8659</identifier><identifier type="eISSN">1439-0426</identifier><identifier type="DOI">10.1111/(ISSN)1439-0426</identifier><identifier type="PublisherID">JAI</identifier><part><date>2009</date><detail type="volume"><caption>vol.</caption><number>25</number></detail><detail type="issue"><caption>no.</caption><number>4</number></detail><extent unit="pages"><start>365</start><end>371</end><total>7</total></extent></part></relatedItem><identifier type="istex">FB00B5DF01858BEF6365AD9AF7B4E4877443841A</identifier><identifier type="DOI">10.1111/j.1439-0426.2009.01188.x</identifier><identifier type="ArticleID">JAI1188</identifier><accessCondition type="use and reproduction" contentType="copyright">© 2009 The Authors. 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