Early Growth and Survival of Larval Alligator Gar, Atractosteus spatula, Reared on Artificial Floating Feed with or without a Live Artemia spp. Supplement
Identifieur interne : 000427 ( Istex/Corpus ); précédent : 000426; suivant : 000428Early Growth and Survival of Larval Alligator Gar, Atractosteus spatula, Reared on Artificial Floating Feed with or without a Live Artemia spp. Supplement
Auteurs : Tim A. Clay ; Mark D. Suchy ; Allyse M. Ferrara ; Quenton C. Fontenot ; Wendell LorioSource :
- Journal of the World Aquaculture Society [ 0893-8849 ] ; 2011-06.
Abstract
Alligator gar, Atractosteus spatula, are a new aquaculture species with many aspects about rearing unknown. Alligator gar are cannibalistic during their larval stage and methods to minimize cannibalism should be developed to increase overall survival. Growth and survival were determined for larvae fed pelleted floating food only or fed pelleted floating food supplemented with live Artemia spp. nauplii for the first 7 d of exogenous feeding (5 d after hatching [d.a.h.] to 12 d.a.h.). Total length, weight, condition, and specific growth rate (SGR) was determined at 12 and 20 d.a.h. Fish supplemented with Artemia were larger by 12 d.a.h. and continued to be at 20 d.a.h. than fish fed only floating food. SGR was higher at both 12 and 20 d.a.h. for fish that received the Artemia supplement. Survival was higher for fish supplemented with Artemia (71%) than for the floating food only treatment (43%). Cannibalism was the primary cause of mortalities and was higher in fish fed floating food only (44%) compared to Artemia supplemented fish (19%). Artemia may elicit a stronger feeding response and improve acceptance of pelleted floating foods. Results suggest an improved feeding regime compared to previous feeding regimes used in rearing larval alligator gar.
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DOI: 10.1111/j.1749-7345.2011.00481.x
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Suchy</name><affiliation><mods:affiliation>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</mods:affiliation></affiliation></author><author><name sortKey="Ferrara, Allyse M" sort="Ferrara, Allyse M" uniqKey="Ferrara A" first="Allyse M." last="Ferrara">Allyse M. Ferrara</name><affiliation><mods:affiliation>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</mods:affiliation></affiliation></author><author><name sortKey="Fontenot, Quenton C" sort="Fontenot, Quenton C" uniqKey="Fontenot Q" first="Quenton C." last="Fontenot">Quenton C. 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Clay</name><affiliation><mods:affiliation>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author.</mods:affiliation></affiliation></author><author><name sortKey="Suchy, Mark D" sort="Suchy, Mark D" uniqKey="Suchy M" first="Mark D." last="Suchy">Mark D. Suchy</name><affiliation><mods:affiliation>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</mods:affiliation></affiliation></author><author><name sortKey="Ferrara, Allyse M" sort="Ferrara, Allyse M" uniqKey="Ferrara A" first="Allyse M." last="Ferrara">Allyse M. 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Alligator gar are cannibalistic during their larval stage and methods to minimize cannibalism should be developed to increase overall survival. Growth and survival were determined for larvae fed pelleted floating food only or fed pelleted floating food supplemented with live Artemia spp. nauplii for the first 7 d of exogenous feeding (5 d after hatching [d.a.h.] to 12 d.a.h.). Total length, weight, condition, and specific growth rate (SGR) was determined at 12 and 20 d.a.h. Fish supplemented with Artemia were larger by 12 d.a.h. and continued to be at 20 d.a.h. than fish fed only floating food. SGR was higher at both 12 and 20 d.a.h. for fish that received the Artemia supplement. Survival was higher for fish supplemented with Artemia (71%) than for the floating food only treatment (43%). Cannibalism was the primary cause of mortalities and was higher in fish fed floating food only (44%) compared to Artemia supplemented fish (19%). Artemia may elicit a stronger feeding response and improve acceptance of pelleted floating foods. Results suggest an improved feeding regime compared to previous feeding regimes used in rearing larval alligator gar.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Tim A. Clay</name><affiliations><json:string>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</json:string><json:string>Corresponding author.</json:string></affiliations></json:item><json:item><name>Mark D. Suchy</name><affiliations><json:string>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</json:string></affiliations></json:item><json:item><name>Allyse M. Ferrara</name><affiliations><json:string>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</json:string></affiliations></json:item><json:item><name>Quenton C. Fontenot</name><affiliations><json:string>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</json:string></affiliations></json:item><json:item><name>Wendell Lorio</name><affiliations><json:string>Golden Ranch Plantation, 146 Coteau Du Cypre, Gheens, Louisiana 70355, USA</json:string></affiliations></json:item></author><articleId><json:string>JWAS481</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>Alligator gar, Atractosteus spatula, are a new aquaculture species with many aspects about rearing unknown. 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Alligator gar are cannibalistic during their larval stage and methods to minimize cannibalism should be developed to increase overall survival. Growth and survival were determined for larvae fed pelleted floating food only or fed pelleted floating food supplemented with live <i>Artemia</i> spp. nauplii for the first 7 d of exogenous feeding (5 d after hatching [d.a.h.] to 12 d.a.h.). Total length, weight, condition, and specific growth rate (SGR) was determined at 12 and 20 d.a.h. Fish supplemented with <i>Artemia</i> were larger by 12 d.a.h. and continued to be at 20 d.a.h. than fish fed only floating food. SGR was higher at both 12 and 20 d.a.h. for fish that received the <i>Artemia</i> supplement. Survival was higher for fish supplemented with <i>Artemia</i> (71%) than for the floating food only treatment (43%). Cannibalism was the primary cause of mortalities and was higher in fish fed floating food only (44%) compared to <i>Artemia</i> supplemented fish (19%). <i>Artemia</i> may elicit a stronger feeding response and improve acceptance of pelleted floating foods. Results suggest an improved feeding regime compared to previous feeding regimes used in rearing larval alligator gar.</b> </p></abstract></abstractGroup></contentMeta><noteGroup><note xml:id="fn1"><p>Present address: Department of Applied Sciences, University of Arkansas at Little Rock, Little Rock, Arkansas 72204, USA.</p></note><note xml:id="fn2"><p>Present address: LSU Ag Center, Luling, Louisiana 70070, USA.</p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Early Growth and Survival of Larval Alligator Gar, Atractosteus spatula, Reared on Artificial Floating Feed with or without a Live Artemia spp. Supplement</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Early Growth and Survival of Larval Alligator Gar, Atractosteus spatula, Reared on Artificial Floating Feed with or without a Live Artemia spp. Supplement</title></titleInfo><name type="personal"><namePart type="given">Tim A.</namePart><namePart type="family">Clay</namePart><affiliation>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</affiliation><description>Present address: Department of Applied Sciences, University of Arkansas at Little Rock, Little Rock, Arkansas 72204, USA.</description><affiliation>Corresponding author.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Mark D.</namePart><namePart type="family">Suchy</namePart><affiliation>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Allyse M.</namePart><namePart type="family">Ferrara</namePart><affiliation>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Quenton C.</namePart><namePart type="family">Fontenot</namePart><affiliation>Department of Biological Sciences, Bayousphere Research Laboratory, Nicholls State University, Thibodaux, Louisiana 70310, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Wendell</namePart><namePart type="family">Lorio</namePart><affiliation>Golden Ranch Plantation, 146 Coteau Du Cypre, Gheens, Louisiana 70355, USA</affiliation><description>Present address: LSU Ag Center, Luling, Louisiana 70070, USA.</description><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">2011-06</dateIssued><copyrightDate encoding="w3cdtf">2011</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">1</extent><extent unit="tables">2</extent><extent unit="references">17</extent></physicalDescription><abstract>Alligator gar, Atractosteus spatula, are a new aquaculture species with many aspects about rearing unknown. Alligator gar are cannibalistic during their larval stage and methods to minimize cannibalism should be developed to increase overall survival. Growth and survival were determined for larvae fed pelleted floating food only or fed pelleted floating food supplemented with live Artemia spp. nauplii for the first 7 d of exogenous feeding (5 d after hatching [d.a.h.] to 12 d.a.h.). Total length, weight, condition, and specific growth rate (SGR) was determined at 12 and 20 d.a.h. Fish supplemented with Artemia were larger by 12 d.a.h. and continued to be at 20 d.a.h. than fish fed only floating food. SGR was higher at both 12 and 20 d.a.h. for fish that received the Artemia supplement. Survival was higher for fish supplemented with Artemia (71%) than for the floating food only treatment (43%). Cannibalism was the primary cause of mortalities and was higher in fish fed floating food only (44%) compared to Artemia supplemented fish (19%). Artemia may elicit a stronger feeding response and improve acceptance of pelleted floating foods. Results suggest an improved feeding regime compared to previous feeding regimes used in rearing larval alligator gar.</abstract><relatedItem type="host"><titleInfo><title>Journal of the World Aquaculture Society</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0893-8849</identifier><identifier type="eISSN">1749-7345</identifier><identifier type="DOI">10.1111/(ISSN)1749-7345</identifier><identifier type="PublisherID">JWAS</identifier><part><date>2011</date><detail type="volume"><caption>vol.</caption><number>42</number></detail><detail type="issue"><caption>no.</caption><number>3</number></detail><extent unit="pages"><start>412</start><end>416</end><total>5</total></extent></part></relatedItem><identifier type="istex">F320D079641C80C063FE75616D7A9BE481C10DD3</identifier><identifier type="DOI">10.1111/j.1749-7345.2011.00481.x</identifier><identifier type="ArticleID">JWAS481</identifier><accessCondition type="use and reproduction" contentType="copyright">© Copyright by the World Aquaculture Society 2011</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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