Vertebrae of the trunk and tail display different growth rates in response to photoperiod in Atlantic salmon, Salmo salar L., post-smolts
This study shows that exposure to continuous light induces regional differences in growth in the vertebral column of Atlantic salmon under-yearling post-smolts reared in seawater cages. Exposure to continuous light during the period from January to the summer solstice (June) generally produced signi...
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Veröffentlicht in: | Aquaculture 2005-11, Vol.250 (1), p.516-524 |
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creator | Fjelldal, Per Gunnar Nordgarden, Ulla Berg, Arne Grotmol, Sindre Totland, Geir K. Wargelius, Anna Hansen, Tom |
description | This study shows that exposure to continuous light induces regional differences in growth in the vertebral column of Atlantic salmon under-yearling post-smolts reared in seawater cages. Exposure to continuous light during the period from January to the summer solstice (June) generally produced significantly larger fish than those reared under natural light. Until April, however, the fish exposed to continuous light grew more slowly, as reflected in the vertebral column by decreased growth in the truncal vertebrae, while the growth of the tail vertebrae was similar in the two groups. From April to June the fish exposed to continuous light displayed the fastest growth, with a higher growth rate in the vertebrae of the trunk than among fish reared under natural light. The mineral rate and mechanical strength of the vertebrae at the summer solstice was significantly lower in fish exposed to continuous light. Our results suggest that the growth of different regions of the vertebral column of salmon may be regulated partly independently, and that mineralisation is also affected during fast growth. |
doi_str_mv | 10.1016/j.aquaculture.2005.04.056 |
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Exposure to continuous light during the period from January to the summer solstice (June) generally produced significantly larger fish than those reared under natural light. Until April, however, the fish exposed to continuous light grew more slowly, as reflected in the vertebral column by decreased growth in the truncal vertebrae, while the growth of the tail vertebrae was similar in the two groups. From April to June the fish exposed to continuous light displayed the fastest growth, with a higher growth rate in the vertebrae of the trunk than among fish reared under natural light. The mineral rate and mechanical strength of the vertebrae at the summer solstice was significantly lower in fish exposed to continuous light. Our results suggest that the growth of different regions of the vertebral column of salmon may be regulated partly independently, and that mineralisation is also affected during fast growth.</description><identifier>ISSN: 0044-8486</identifier><identifier>EISSN: 1873-5622</identifier><identifier>DOI: 10.1016/j.aquaculture.2005.04.056</identifier><identifier>CODEN: AQCLAL</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Agnatha. Pisces ; anadromous fish ; Animal aquaculture ; animal growth ; Animal productions ; Aquaculture ; Atlantic salmon ; Biological and medical sciences ; body composition ; fish culture ; Fundamental and applied biological sciences. Psychology ; General aspects ; Growth ; Light ; Marine ; Mechanical properties ; mineral content ; Mineralisation ; Minerals ; Photoperiod ; Physical growth ; Salmo salar ; Salmon ; smoltification ; Spinal cord ; Vertebra ; vertebrae ; Vertebral column ; Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</subject><ispartof>Aquaculture, 2005-11, Vol.250 (1), p.516-524</ispartof><rights>2005 Elsevier B.V.</rights><rights>2005 INIST-CNRS</rights><rights>Copyright Elsevier Sequoia S.A. 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Exposure to continuous light during the period from January to the summer solstice (June) generally produced significantly larger fish than those reared under natural light. Until April, however, the fish exposed to continuous light grew more slowly, as reflected in the vertebral column by decreased growth in the truncal vertebrae, while the growth of the tail vertebrae was similar in the two groups. From April to June the fish exposed to continuous light displayed the fastest growth, with a higher growth rate in the vertebrae of the trunk than among fish reared under natural light. The mineral rate and mechanical strength of the vertebrae at the summer solstice was significantly lower in fish exposed to continuous light. Our results suggest that the growth of different regions of the vertebral column of salmon may be regulated partly independently, and that mineralisation is also affected during fast growth.</description><subject>Agnatha. Pisces</subject><subject>anadromous fish</subject><subject>Animal aquaculture</subject><subject>animal growth</subject><subject>Animal productions</subject><subject>Aquaculture</subject><subject>Atlantic salmon</subject><subject>Biological and medical sciences</subject><subject>body composition</subject><subject>fish culture</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Growth</subject><subject>Light</subject><subject>Marine</subject><subject>Mechanical properties</subject><subject>mineral content</subject><subject>Mineralisation</subject><subject>Minerals</subject><subject>Photoperiod</subject><subject>Physical growth</subject><subject>Salmo salar</subject><subject>Salmon</subject><subject>smoltification</subject><subject>Spinal cord</subject><subject>Vertebra</subject><subject>vertebrae</subject><subject>Vertebral column</subject><subject>Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</subject><issn>0044-8486</issn><issn>1873-5622</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqNkc9u1DAQxiMEEqXwDBgkODVh7NhOcqxW_JNW4lDK1Zp1Jl0v2Ti1naI-Am-No60E4gKnTyP_5vPMfEXxikPFget3hwpvF7TLmJZAlQBQFcgKlH5UnPG2qUulhXhcnAFIWbay1U-LZzEeAEBrxc-Kn98oJNoFJOYHlvbEUlim7wynniV0I-tdnEe8zzoMFGhK7Cb4H2nPAiaKzE0sUJz9FHOnZ_PeJz9TcL5fny7TiFNylkUcj366YFerrhUGtq0u2OxjKuPRjyk-L54MOEZ68aDnxfWH9183n8rtl4-fN5fb0kotU1njoLDXfSfkIEnrFloQqqFW9F2vcNd1ncwroxS1AsuBdC-lbAXslJCq1fV58fbkOwd_u1BM5uiipTFPSn6JRkBXS67_DfJGZ6ruMvj6L_DglzDlJbKZbIQS3Qp1J8gGH2OgwczBHTHcGw5mjdIczB9RmjVKA9LkKHPvm4cPMFoch4CTdfG3QSPqVogmcy9P3IDe4E3IzPWVAF4DB8lbvhKbE0H5wneOgonW0WSpd4FsMr13_zHPL558w_c</recordid><startdate>20051114</startdate><enddate>20051114</enddate><creator>Fjelldal, Per Gunnar</creator><creator>Nordgarden, Ulla</creator><creator>Berg, Arne</creator><creator>Grotmol, Sindre</creator><creator>Totland, Geir K.</creator><creator>Wargelius, Anna</creator><creator>Hansen, Tom</creator><general>Elsevier B.V</general><general>Elsevier Science</general><general>Elsevier Sequoia S.A</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QR</scope><scope>7ST</scope><scope>7TN</scope><scope>7U7</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H94</scope><scope>H95</scope><scope>H98</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>20051114</creationdate><title>Vertebrae of the trunk and tail display different growth rates in response to photoperiod in Atlantic salmon, Salmo salar L., post-smolts</title><author>Fjelldal, Per Gunnar ; Nordgarden, Ulla ; Berg, Arne ; Grotmol, Sindre ; Totland, Geir K. ; Wargelius, Anna ; Hansen, Tom</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c464t-3af5ad6d924f4e668080257e82d9d5ab9994622a42350c10e6d444820b5245863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Agnatha. Pisces</topic><topic>anadromous fish</topic><topic>Animal aquaculture</topic><topic>animal growth</topic><topic>Animal productions</topic><topic>Aquaculture</topic><topic>Atlantic salmon</topic><topic>Biological and medical sciences</topic><topic>body composition</topic><topic>fish culture</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>Growth</topic><topic>Light</topic><topic>Marine</topic><topic>Mechanical properties</topic><topic>mineral content</topic><topic>Mineralisation</topic><topic>Minerals</topic><topic>Photoperiod</topic><topic>Physical growth</topic><topic>Salmo salar</topic><topic>Salmon</topic><topic>smoltification</topic><topic>Spinal cord</topic><topic>Vertebra</topic><topic>vertebrae</topic><topic>Vertebral column</topic><topic>Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fjelldal, Per Gunnar</creatorcontrib><creatorcontrib>Nordgarden, Ulla</creatorcontrib><creatorcontrib>Berg, Arne</creatorcontrib><creatorcontrib>Grotmol, Sindre</creatorcontrib><creatorcontrib>Totland, Geir K.</creatorcontrib><creatorcontrib>Wargelius, Anna</creatorcontrib><creatorcontrib>Hansen, Tom</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Chemoreception Abstracts</collection><collection>Environment Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>ASFA: Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Aquaculture</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fjelldal, Per Gunnar</au><au>Nordgarden, Ulla</au><au>Berg, Arne</au><au>Grotmol, Sindre</au><au>Totland, Geir K.</au><au>Wargelius, Anna</au><au>Hansen, Tom</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vertebrae of the trunk and tail display different growth rates in response to photoperiod in Atlantic salmon, Salmo salar L., post-smolts</atitle><jtitle>Aquaculture</jtitle><date>2005-11-14</date><risdate>2005</risdate><volume>250</volume><issue>1</issue><spage>516</spage><epage>524</epage><pages>516-524</pages><issn>0044-8486</issn><eissn>1873-5622</eissn><coden>AQCLAL</coden><abstract>This study shows that exposure to continuous light induces regional differences in growth in the vertebral column of Atlantic salmon under-yearling post-smolts reared in seawater cages. Exposure to continuous light during the period from January to the summer solstice (June) generally produced significantly larger fish than those reared under natural light. Until April, however, the fish exposed to continuous light grew more slowly, as reflected in the vertebral column by decreased growth in the truncal vertebrae, while the growth of the tail vertebrae was similar in the two groups. From April to June the fish exposed to continuous light displayed the fastest growth, with a higher growth rate in the vertebrae of the trunk than among fish reared under natural light. The mineral rate and mechanical strength of the vertebrae at the summer solstice was significantly lower in fish exposed to continuous light. Our results suggest that the growth of different regions of the vertebral column of salmon may be regulated partly independently, and that mineralisation is also affected during fast growth.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.aquaculture.2005.04.056</doi><tpages>9</tpages></addata></record> |
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subjects | Agnatha. Pisces anadromous fish Animal aquaculture animal growth Animal productions Aquaculture Atlantic salmon Biological and medical sciences body composition fish culture Fundamental and applied biological sciences. Psychology General aspects Growth Light Marine Mechanical properties mineral content Mineralisation Minerals Photoperiod Physical growth Salmo salar Salmon smoltification Spinal cord Vertebra vertebrae Vertebral column Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution |
title | Vertebrae of the trunk and tail display different growth rates in response to photoperiod in Atlantic salmon, Salmo salar L., post-smolts |
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