Haematology of juvenile Acipenser oxyrinchus and Acipenser brevirostrum at rest and following forced activity
Identifieur interne : 000F80 ( Main/Exploration ); précédent : 000F79; suivant : 000F81Haematology of juvenile Acipenser oxyrinchus and Acipenser brevirostrum at rest and following forced activity
Auteurs : D. W. Baker [Canada] ; A. M. Wood [Canada] ; M. K. Litvak [Canada] ; J. D. Kieffer [Canada]Source :
- Journal of fish biology [ 0022-1112 ] ; 2005.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Biologie.
English descriptors
- KwdEn :
Abstract
In vino experiments were conducted to examine the haematology of juveniles from two relic bony fishes, Atlantic sturgeon Acipenser oxyrhinchus and shortnose sturgeon Acipenser brevirostrum. Oxygen transport characteristics (haematocrit, haemoglobin and mean erythrocytic haemoglobin concentration), ionic composition (Na+, Cl-, K- and osmolality), metabolite concentration (lactate, cortisol and glucose) and protein content in blood were measured or calculated at rest and during recovery from forced activity. Under resting conditions, plasma osmolality and concentrations of Na+, Cl-, lactate, cortisol and total protein were significantly different between Atlantic and shortnose sturgeon. All other resting variables were not different between species. Following forced activity, plasma lactate levels were significantly higher in both species than at rest. Plasma cortisol levels in both species were only significantly higher 1h following forced activity compared to resting values. Plasma lactate levels were significantly higher in Atlantic sturgeon than in shortnose sturgeon, but these levels returned to resting levels by 1h in both species. Cortisol increases were greater in shortnose sturgeon than in Atlantic sturgeon. In general, oxygen transport characteristics, blood glucose, plasma protein and plasma osmolality were not altered by forced activity in either sturgeon species. Overall, both species had reduced responses (i.e. the magnitude of changes in measured variables) to forced activity compared with teleosts.
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Box 5050</s1><s2>Saint John, New Brunswick, E2L 4L5</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Saint John, New Brunswick, E2L 4L5</wicri:noRegion></affiliation></author><author><name sortKey="Litvak, M K" sort="Litvak, M K" uniqKey="Litvak M" first="M. K." last="Litvak">M. K. Litvak</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Biology, Centre for Coastal Studies and Aquaculture, University of New Brunswick, Saint John, P. O. Box 5050</s1><s2>Saint John, New Brunswick, E2L 4L5</s2><s3>CAN</s3><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Saint John, New Brunswick, E2L 4L5</wicri:noRegion></affiliation></author><author><name sortKey="Kieffer, J D" sort="Kieffer, J D" uniqKey="Kieffer J" first="J. D." last="Kieffer">J. D. Kieffer</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Biology, University of New Brunswick, Saint John, P. O. Box 5050</s1><s2>Saint John, New Brunswick, E2L 4L5</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Saint John, New Brunswick, E2L 4L5</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">05-0167621</idno><date when="2005">2005</date><idno type="stanalyst">PASCAL 05-0167621 INIST</idno><idno type="RBID">Pascal:05-0167621</idno><idno type="wicri:Area/PascalFrancis/Corpus">000247</idno><idno type="wicri:Area/PascalFrancis/Curation">000129</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000234</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000234</idno><idno type="wicri:doubleKey">0022-1112:2005:Baker D:haematology:of:juvenile</idno><idno type="wicri:Area/Main/Merge">001027</idno><idno type="wicri:Area/Main/Curation">000F80</idno><idno type="wicri:Area/Main/Exploration">000F80</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Haematology of juvenile Acipenser oxyrinchus and Acipenser brevirostrum at rest and following forced activity</title><author><name sortKey="Baker, D W" sort="Baker, D W" uniqKey="Baker D" first="D. W." last="Baker">D. W. Baker</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Biology, University of New Brunswick, Saint John, P. O. Box 5050</s1><s2>Saint John, New Brunswick, E2L 4L5</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Saint John, New Brunswick, E2L 4L5</wicri:noRegion></affiliation></author><author><name sortKey="Wood, A M" sort="Wood, A M" uniqKey="Wood A" first="A. M." last="Wood">A. M. Wood</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Biology, University of New Brunswick, Saint John, P. O. Box 5050</s1><s2>Saint John, New Brunswick, E2L 4L5</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Saint John, New Brunswick, E2L 4L5</wicri:noRegion></affiliation></author><author><name sortKey="Litvak, M K" sort="Litvak, M K" uniqKey="Litvak M" first="M. K." last="Litvak">M. K. Litvak</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Biology, Centre for Coastal Studies and Aquaculture, University of New Brunswick, Saint John, P. O. Box 5050</s1><s2>Saint John, New Brunswick, E2L 4L5</s2><s3>CAN</s3><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Saint John, New Brunswick, E2L 4L5</wicri:noRegion></affiliation></author><author><name sortKey="Kieffer, J D" sort="Kieffer, J D" uniqKey="Kieffer J" first="J. D." last="Kieffer">J. D. Kieffer</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Biology, University of New Brunswick, Saint John, P. O. Box 5050</s1><s2>Saint John, New Brunswick, E2L 4L5</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Saint John, New Brunswick, E2L 4L5</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of fish biology</title><title level="j" type="abbreviated">J. fish biol.</title><idno type="ISSN">0022-1112</idno><imprint><date when="2005">2005</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of fish biology</title><title level="j" type="abbreviated">J. fish biol.</title><idno type="ISSN">0022-1112</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acipenser sturio</term><term>Activity</term><term>Biology</term><term>Hematology</term><term>Hydrocortisone</term><term>Lactates</term><term>Metabolism</term><term>Pisces</term><term>Rest</term><term>Stress</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Hématologie</term><term>Repos</term><term>Activité</term><term>Hydrocortisone</term><term>Lactate</term><term>Métabolisme</term><term>Stress</term><term>Pisces</term><term>Biologie</term><term>Acipenser sturio</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Biologie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In vino experiments were conducted to examine the haematology of juveniles from two relic bony fishes, Atlantic sturgeon Acipenser oxyrhinchus and shortnose sturgeon Acipenser brevirostrum. Oxygen transport characteristics (haematocrit, haemoglobin and mean erythrocytic haemoglobin concentration), ionic composition (Na<sup>+</sup>, Cl<sup>-</sup>, K- and osmolality), metabolite concentration (lactate, cortisol and glucose) and protein content in blood were measured or calculated at rest and during recovery from forced activity. Under resting conditions, plasma osmolality and concentrations of Na<sup>+</sup>, Cl<sup>-</sup>, lactate, cortisol and total protein were significantly different between Atlantic and shortnose sturgeon. All other resting variables were not different between species. Following forced activity, plasma lactate levels were significantly higher in both species than at rest. Plasma cortisol levels in both species were only significantly higher 1h following forced activity compared to resting values. Plasma lactate levels were significantly higher in Atlantic sturgeon than in shortnose sturgeon, but these levels returned to resting levels by 1h in both species. Cortisol increases were greater in shortnose sturgeon than in Atlantic sturgeon. In general, oxygen transport characteristics, blood glucose, plasma protein and plasma osmolality were not altered by forced activity in either sturgeon species. Overall, both species had reduced responses (i.e. the magnitude of changes in measured variables) to forced activity compared with teleosts.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Baker, D W" sort="Baker, D W" uniqKey="Baker D" first="D. W." last="Baker">D. W. Baker</name></noRegion><name sortKey="Kieffer, J D" sort="Kieffer, J D" uniqKey="Kieffer J" first="J. D." last="Kieffer">J. D. Kieffer</name><name sortKey="Litvak, M K" sort="Litvak, M K" uniqKey="Litvak M" first="M. K." last="Litvak">M. K. Litvak</name><name sortKey="Wood, A M" sort="Wood, A M" uniqKey="Wood A" first="A. M." last="Wood">A. M. Wood</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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