The whole amino acid profile as indicator of the nutritional condition in cultured marine fish larvae
Identifieur interne : 001217 ( Istex/Corpus ); précédent : 001216; suivant : 001218The whole amino acid profile as indicator of the nutritional condition in cultured marine fish larvae
Auteurs : J. B. Cara ; F. J. Moyano ; J. L. Zambonino ; F. J. Alarc NSource :
- Aquaculture Nutrition [ 1353-5773 ] ; 2007-04.
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Abstract
The effect of variations in the amount or quality of food provided on the amino acid profile of larvae, was tested in two marine fish species, the Senegal sole (Solea senegalensis) and the sea bass (Dicentrarchus labrax). The objective was to assess whether such nutritionally suboptimum dietary patterns, which simulate situations that may occur in hatcheries, result in variations in the concentration of one or more amino acids that could be used as indicators of nutritional condition of larvae. Restriction in the normal food ration by 60% had no clear effect on the amino acid profile of sea bass, while the concentration of some amino acids (Arg, Ala and Phe) showed significant variations in sole. Feeding on artificial diets, which have shown their inadequacy a priori, resulted also in no significant effect on the profile of sea bass, but in a dramatic modification of the amino acid profile in sole. In addition, changes in the amino acid profiles considered as a whole were evaluated using the cluster analysis instead of paired comparisons between amino acid concentrations in each treatment. The analysis clearly separated profiles of larvae fed restrictedly or inadequately from their controls, irrespective of the species. This demonstrated the potential value of evaluating whole changes in amino acid profile as nutritional indicator. Besides, it was demonstrated that sensitivity of larvae to nutritional changes that may be reflected in the amino acid profile is greatly conditioned by the species and developmental stage.
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DOI: 10.1111/j.1365-2095.2007.00459.x
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<p>The effect of variations in the amount or quality of food provided on the amino acid profile of larvae, was tested in two marine fish species, the Senegal sole (<i>Solea senegalensis</i>
) and the sea bass (<i>Dicentrarchus labrax</i>
). The objective was to assess whether such nutritionally suboptimum dietary patterns, which simulate situations that may occur in hatcheries, result in variations in the concentration of one or more amino acids that could be used as indicators of nutritional condition of larvae. Restriction in the normal food ration by 60% had no clear effect on the amino acid profile of sea bass, while the concentration of some amino acids (Arg, Ala and Phe) showed significant variations in sole. Feeding on artificial diets, which have shown their inadequacy <i>a priori</i>
, resulted also in no significant effect on the profile of sea bass, but in a dramatic modification of the amino acid profile in sole. In addition, changes in the amino acid profiles considered as a whole were evaluated using the cluster analysis instead of paired comparisons between amino acid concentrations in each treatment. The analysis clearly separated profiles of larvae fed restrictedly or inadequately from their controls, irrespective of the species. This demonstrated the potential value of evaluating whole changes in amino acid profile as nutritional indicator. Besides, it was demonstrated that sensitivity of larvae to nutritional changes that may be reflected in the amino acid profile is greatly conditioned by the species and developmental stage.</p>
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<name type="personal"><namePart type="given">F.J.</namePart>
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<affiliation>Departamento de Biología Aplicada, E.P.S., Universidad de Almería, Almería, Spain</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">J.L.</namePart>
<namePart type="family">ZAMBONINO</namePart>
<affiliation>Unité Mixte de Nutrition des Poissons IFREMER‐INRA, IFREMER Centre de Brest, Plouzané, France</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">F.J.</namePart>
<namePart type="family">ALARCÓN</namePart>
<affiliation>Departamento de Biología Aplicada, E.P.S., Universidad de Almería, Almería, Spain</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">2007-04</dateIssued>
<edition>Received 22 May 2006, accepted 5 October 2006</edition>
<copyrightDate encoding="w3cdtf">2007</copyrightDate>
</originInfo>
<language><languageTerm type="code" authority="rfc3066">en</languageTerm>
<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
</language>
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<extent unit="figures">4</extent>
<extent unit="tables">8</extent>
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<abstract lang="en">The effect of variations in the amount or quality of food provided on the amino acid profile of larvae, was tested in two marine fish species, the Senegal sole (Solea senegalensis) and the sea bass (Dicentrarchus labrax). The objective was to assess whether such nutritionally suboptimum dietary patterns, which simulate situations that may occur in hatcheries, result in variations in the concentration of one or more amino acids that could be used as indicators of nutritional condition of larvae. Restriction in the normal food ration by 60% had no clear effect on the amino acid profile of sea bass, while the concentration of some amino acids (Arg, Ala and Phe) showed significant variations in sole. Feeding on artificial diets, which have shown their inadequacy a priori, resulted also in no significant effect on the profile of sea bass, but in a dramatic modification of the amino acid profile in sole. In addition, changes in the amino acid profiles considered as a whole were evaluated using the cluster analysis instead of paired comparisons between amino acid concentrations in each treatment. The analysis clearly separated profiles of larvae fed restrictedly or inadequately from their controls, irrespective of the species. This demonstrated the potential value of evaluating whole changes in amino acid profile as nutritional indicator. Besides, it was demonstrated that sensitivity of larvae to nutritional changes that may be reflected in the amino acid profile is greatly conditioned by the species and developmental stage.</abstract>
<subject lang="en"><genre>keywords</genre>
<topic>amino acid</topic>
<topic>cluster analysis</topic>
<topic>condition indicator</topic>
<topic>Dicentrarchus labrax</topic>
<topic>marine fish larvae</topic>
<topic>Solea senegalensis</topic>
</subject>
<relatedItem type="host"><titleInfo><title>Aquaculture Nutrition</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">1353-5773</identifier>
<identifier type="eISSN">1365-2095</identifier>
<identifier type="DOI">10.1111/(ISSN)1365-2095</identifier>
<identifier type="PublisherID">ANU</identifier>
<part><date>2007</date>
<detail type="volume"><caption>vol.</caption>
<number>13</number>
</detail>
<detail type="issue"><caption>no.</caption>
<number>2</number>
</detail>
<extent unit="pages"><start>94</start>
<end>103</end>
<total>10</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">E64C72DD46669B9973F909DD06964C0DB6626A43</identifier>
<identifier type="DOI">10.1111/j.1365-2095.2007.00459.x</identifier>
<identifier type="ArticleID">ANU459</identifier>
<recordInfo><recordContentSource>WILEY</recordContentSource>
<recordOrigin>Blackwell Publishing Ltd</recordOrigin>
</recordInfo>
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<serie></serie>
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