Effects of temperature and season on gonad growth and feed intake in the green sea urchin ( Strongylocentrotus droebachiensis)
The effects of water temperature and season on feed intake and gonad growth of green sea urchin Strongylocentrotus droebachiensis were evaluated. Animals were tested at six temperatures (4, 6, 8, 10, 12, and 14 °C) in summer (July–September) and in winter (November–January). Sea urchins (64.5 ± 3.4...
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| creator | Siikavuopio, Sten I. Christiansen, Jørgen S. Dale, Trine |
| description | The effects of water temperature and season on feed intake and gonad growth of green sea urchin
Strongylocentrotus droebachiensis were evaluated. Animals were tested at six temperatures (4, 6, 8, 10, 12, and 14 °C) in summer (July–September) and in winter (November–January). Sea urchins (64.5
±
3.4 g mean wet body weight
±
S.D.) were held individually in square chambers and fed ad libitum a formulated moist feed. Gonad index (GI), feed intake (FI), and feed conversion ratios (FCR) were measured. There was a significant increase in GI for all treatments during the summer trial, and sea urchins held at 6 °C had a significantly larger GI compared to those held at 4 °C (
P
<
0.05). There was no significant difference in GI between sea urchins held at 10, 12 and 14 °C, and they had a significantly higher GI compared to the lower temperature groups. In the winter trial sea urchins held at 8 °C displayed a significant higher GI compared with the other temperatures.
There was a significant and linear increase in FI with increasing temperature both during summer and winter. Thus, FI in the summer (S) and winter (W) trials increased from initial 0.34 (S) and 0.26 (W) (g/urchin per day) at 4 °C, to 0.71 (S) and 0.93 (W) (g/urchin per day) at 14 °C. In summer, sea urchins held at 12 °C had a significantly lower FCR (3.3) compared to animals held at 8 °C (FCR
=
4.0). The situation was reversed in winter, where sea urchins displayed the lower FCR (3.7) at 8 °C than those held at 12 °C (FCR
=
6.0). Overall, our findings suggest that optimum gonad growth of adult green sea urchins is achieved at higher temperatures in summer than in winter. |
| doi_str_mv | 10.1016/j.aquaculture.2005.12.021 |
| format | Article |
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Strongylocentrotus droebachiensis were evaluated. Animals were tested at six temperatures (4, 6, 8, 10, 12, and 14 °C) in summer (July–September) and in winter (November–January). Sea urchins (64.5
±
3.4 g mean wet body weight
±
S.D.) were held individually in square chambers and fed ad libitum a formulated moist feed. Gonad index (GI), feed intake (FI), and feed conversion ratios (FCR) were measured. There was a significant increase in GI for all treatments during the summer trial, and sea urchins held at 6 °C had a significantly larger GI compared to those held at 4 °C (
P
<
0.05). There was no significant difference in GI between sea urchins held at 10, 12 and 14 °C, and they had a significantly higher GI compared to the lower temperature groups. In the winter trial sea urchins held at 8 °C displayed a significant higher GI compared with the other temperatures.
There was a significant and linear increase in FI with increasing temperature both during summer and winter. Thus, FI in the summer (S) and winter (W) trials increased from initial 0.34 (S) and 0.26 (W) (g/urchin per day) at 4 °C, to 0.71 (S) and 0.93 (W) (g/urchin per day) at 14 °C. In summer, sea urchins held at 12 °C had a significantly lower FCR (3.3) compared to animals held at 8 °C (FCR
=
4.0). The situation was reversed in winter, where sea urchins displayed the lower FCR (3.7) at 8 °C than those held at 12 °C (FCR
=
6.0). Overall, our findings suggest that optimum gonad growth of adult green sea urchins is achieved at higher temperatures in summer than in winter.</description><identifier>ISSN: 0044-8486</identifier><identifier>EISSN: 1873-5622</identifier><identifier>DOI: 10.1016/j.aquaculture.2005.12.021</identifier><identifier>CODEN: AQCLAL</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Animal aquaculture ; Animal productions ; Aquaculture ; Biological and medical sciences ; Echinodermata ; Echinoidea ; Feed intake ; Fundamental and applied biological sciences. Psychology ; General aspects ; Gonad growth ; Green sea urchin ; Growth rate ; Invertebrates ; Marine ; Reproductive system ; Seasons ; Strongylocentrotus droebachiensis ; Temperature</subject><ispartof>Aquaculture, 2006-05, Vol.255 (1), p.389-394</ispartof><rights>2005 Elsevier B.V.</rights><rights>2006 INIST-CNRS</rights><rights>Copyright Elsevier Sequoia S.A. May 31, 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c409t-bbcc45769820b642aab5cf4b11d7810d03ea7b71c03e3156b6179be01d5cc9683</citedby><cites>FETCH-LOGICAL-c409t-bbcc45769820b642aab5cf4b11d7810d03ea7b71c03e3156b6179be01d5cc9683</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0044848605007829$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17861436$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Siikavuopio, Sten I.</creatorcontrib><creatorcontrib>Christiansen, Jørgen S.</creatorcontrib><creatorcontrib>Dale, Trine</creatorcontrib><title>Effects of temperature and season on gonad growth and feed intake in the green sea urchin ( Strongylocentrotus droebachiensis)</title><title>Aquaculture</title><description>The effects of water temperature and season on feed intake and gonad growth of green sea urchin
Strongylocentrotus droebachiensis were evaluated. Animals were tested at six temperatures (4, 6, 8, 10, 12, and 14 °C) in summer (July–September) and in winter (November–January). Sea urchins (64.5
±
3.4 g mean wet body weight
±
S.D.) were held individually in square chambers and fed ad libitum a formulated moist feed. Gonad index (GI), feed intake (FI), and feed conversion ratios (FCR) were measured. There was a significant increase in GI for all treatments during the summer trial, and sea urchins held at 6 °C had a significantly larger GI compared to those held at 4 °C (
P
<
0.05). There was no significant difference in GI between sea urchins held at 10, 12 and 14 °C, and they had a significantly higher GI compared to the lower temperature groups. In the winter trial sea urchins held at 8 °C displayed a significant higher GI compared with the other temperatures.
There was a significant and linear increase in FI with increasing temperature both during summer and winter. Thus, FI in the summer (S) and winter (W) trials increased from initial 0.34 (S) and 0.26 (W) (g/urchin per day) at 4 °C, to 0.71 (S) and 0.93 (W) (g/urchin per day) at 14 °C. In summer, sea urchins held at 12 °C had a significantly lower FCR (3.3) compared to animals held at 8 °C (FCR
=
4.0). The situation was reversed in winter, where sea urchins displayed the lower FCR (3.7) at 8 °C than those held at 12 °C (FCR
=
6.0). Overall, our findings suggest that optimum gonad growth of adult green sea urchins is achieved at higher temperatures in summer than in winter.</description><subject>Animal aquaculture</subject><subject>Animal productions</subject><subject>Aquaculture</subject><subject>Biological and medical sciences</subject><subject>Echinodermata</subject><subject>Echinoidea</subject><subject>Feed intake</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Gonad growth</subject><subject>Green sea urchin</subject><subject>Growth rate</subject><subject>Invertebrates</subject><subject>Marine</subject><subject>Reproductive system</subject><subject>Seasons</subject><subject>Strongylocentrotus droebachiensis</subject><subject>Temperature</subject><issn>0044-8486</issn><issn>1873-5622</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqNkd9rFDEQxxdR8Gz9H6Kg2IddM9n82H2Uo1qh0Af1OSTZ2bs995Jrkq30pX97c15B8UkIzDDzme-E-VbVG6ANUJAfd425XYxb5rxEbBilogHWUAbPqhV0qq2FZOx5taKU87rjnXxZvUppRymVUsCqergcR3Q5kTCSjPsDRnNUIsYPJKFJwZPyNsGbgWxi-JW3v1sj4kAmn81PLIHkLZYuoj_OkCW6bSl-IN9yDH5zPweHvqR5SWSIAa0pffRpShfn1YvRzAlfP8Wz6sfny-_rq_r65svX9afr2nHa59pa57hQsu8YtZIzY6xwI7cAg-qADrRFo6wCV5IWhLQSVG-RwiCc62XXnlXvT7qHGG4XTFnvp-Rwno3HsCQNioHgghXw7T_gLizRl79pRrnioqV9gfoT5GJIKeKoD3Ham3ivgeqjLXqn_7JFH23RwHSxpcy-e1pgkjPzGI13U_ojoDoJvJWFW584LGe5mzDq5MrRHA5TLIbpIUz_se0Rs2CqzQ</recordid><startdate>20060531</startdate><enddate>20060531</enddate><creator>Siikavuopio, Sten I.</creator><creator>Christiansen, Jørgen S.</creator><creator>Dale, Trine</creator><general>Elsevier B.V</general><general>Elsevier Science</general><general>Elsevier Sequoia S.A</general><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>20060531</creationdate><title>Effects of temperature and season on gonad growth and feed intake in the green sea urchin ( Strongylocentrotus droebachiensis)</title><author>Siikavuopio, Sten I. ; Christiansen, Jørgen S. ; Dale, Trine</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c409t-bbcc45769820b642aab5cf4b11d7810d03ea7b71c03e3156b6179be01d5cc9683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Animal aquaculture</topic><topic>Animal productions</topic><topic>Aquaculture</topic><topic>Biological and medical sciences</topic><topic>Echinodermata</topic><topic>Echinoidea</topic><topic>Feed intake</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>Gonad growth</topic><topic>Green sea urchin</topic><topic>Growth rate</topic><topic>Invertebrates</topic><topic>Marine</topic><topic>Reproductive system</topic><topic>Seasons</topic><topic>Strongylocentrotus droebachiensis</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Siikavuopio, Sten I.</creatorcontrib><creatorcontrib>Christiansen, Jørgen S.</creatorcontrib><creatorcontrib>Dale, Trine</creatorcontrib><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>Siikavuopio, Sten I.</au><au>Christiansen, Jørgen S.</au><au>Dale, Trine</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of temperature and season on gonad growth and feed intake in the green sea urchin ( Strongylocentrotus droebachiensis)</atitle><jtitle>Aquaculture</jtitle><date>2006-05-31</date><risdate>2006</risdate><volume>255</volume><issue>1</issue><spage>389</spage><epage>394</epage><pages>389-394</pages><issn>0044-8486</issn><eissn>1873-5622</eissn><coden>AQCLAL</coden><abstract>The effects of water temperature and season on feed intake and gonad growth of green sea urchin
Strongylocentrotus droebachiensis were evaluated. Animals were tested at six temperatures (4, 6, 8, 10, 12, and 14 °C) in summer (July–September) and in winter (November–January). Sea urchins (64.5
±
3.4 g mean wet body weight
±
S.D.) were held individually in square chambers and fed ad libitum a formulated moist feed. Gonad index (GI), feed intake (FI), and feed conversion ratios (FCR) were measured. There was a significant increase in GI for all treatments during the summer trial, and sea urchins held at 6 °C had a significantly larger GI compared to those held at 4 °C (
P
<
0.05). There was no significant difference in GI between sea urchins held at 10, 12 and 14 °C, and they had a significantly higher GI compared to the lower temperature groups. In the winter trial sea urchins held at 8 °C displayed a significant higher GI compared with the other temperatures.
There was a significant and linear increase in FI with increasing temperature both during summer and winter. Thus, FI in the summer (S) and winter (W) trials increased from initial 0.34 (S) and 0.26 (W) (g/urchin per day) at 4 °C, to 0.71 (S) and 0.93 (W) (g/urchin per day) at 14 °C. In summer, sea urchins held at 12 °C had a significantly lower FCR (3.3) compared to animals held at 8 °C (FCR
=
4.0). The situation was reversed in winter, where sea urchins displayed the lower FCR (3.7) at 8 °C than those held at 12 °C (FCR
=
6.0). Overall, our findings suggest that optimum gonad growth of adult green sea urchins is achieved at higher temperatures in summer than in winter.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.aquaculture.2005.12.021</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0044-8486 |
| ispartof | Aquaculture, 2006-05, Vol.255 (1), p.389-394 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Animal aquaculture Animal productions Aquaculture Biological and medical sciences Echinodermata Echinoidea Feed intake Fundamental and applied biological sciences. Psychology General aspects Gonad growth Green sea urchin Growth rate Invertebrates Marine Reproductive system Seasons Strongylocentrotus droebachiensis Temperature |
| title | Effects of temperature and season on gonad growth and feed intake in the green sea urchin ( Strongylocentrotus droebachiensis) |
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