Effect of dietary protein, lipid and carbohydrate ratio on growth, feed efficiency and body composition of pikeperch Sander lucioperca fingerlings
Identifieur interne : 000823 ( Istex/Checkpoint ); précédent : 000822; suivant : 000824Effect of dietary protein, lipid and carbohydrate ratio on growth, feed efficiency and body composition of pikeperch Sander lucioperca fingerlings
Auteurs : Laetitia Nyina-Wamwiza [Belgique] ; Xueliang L. Xu [Belgique] ; Gersande Blanchard [Belgique] ; Patrick Kestemont [Belgique]Source :
- Aquaculture Research [ 1355-557X ] ; 2005-03.
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Abstract
Pikeperch Sander lucioperca fingerlings were fed nine practical diets containing three levels of protein (P=34%, 43% and 50%), lipid (L=10%, 16% and 22%) and carbohydrate (C=10%, 15% and 20%) for 10 weeks in a recirculating water system at 23°C. Dietary treatments were distributed by orthogonal design with dietary energy content ranging from 15.5 to 23.1 MJ kg−1 diet. Significant differences (P<0.05) in weight gain (%) and feed efficiency (FE) were observed after feeding trial. Relatively low growth and FE were found in fish fed diets containing 34% dietary protein level compared with that of fish fed diets with 43–50% protein levels, suggesting that 34% dietary protein probably is below the protein requirements of pikeperch fingerlings. Fish fed diets containing P43L10C15, P43L22C20 and P50L16C20 had significantly (P<0.05) higher weight gain and FE than fish fed the diets containing other dietary P/L/C ratios. There was no significant difference in weight gain and FE between fish fed diets of P43L10C15, P43L22C20 and P50L16C20. These results may indicate that pikeperch require at least 43% of dietary protein for adequate growth and FE, and considering the fish growth and feed ingredient cost P43L10C15 diet is more cost‐effective formulation for pikeperch fingerling. However, protein efficiency was not significantly affected by dietary P/L/C ratio.
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DOI: 10.1111/j.1365-2109.2005.01233.x
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Xu</name></author><author><name sortKey="Blanchard, Gersande" sort="Blanchard, Gersande" uniqKey="Blanchard G" first="Gersande" last="Blanchard">Gersande Blanchard</name></author><author><name sortKey="Kestemont, Patrick" sort="Kestemont, Patrick" uniqKey="Kestemont P" first="Patrick" last="Kestemont">Patrick Kestemont</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:4767FD593F855C787275923FF2F509E86CD3EB2F</idno><date when="2005" year="2005">2005</date><idno type="doi">10.1111/j.1365-2109.2005.01233.x</idno><idno type="url">https://api.istex.fr/document/4767FD593F855C787275923FF2F509E86CD3EB2F/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000A67</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000A67</idno><idno type="wicri:Area/Istex/Curation">000A65</idno><idno type="wicri:Area/Istex/Checkpoint">000823</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">000823</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Effect of dietary protein, lipid and carbohydrate ratio on growth, feed efficiency and body composition of pikeperch Sander lucioperca fingerlings</title><author><name sortKey="Nyina Amwiza, Laetitia" sort="Nyina Amwiza, Laetitia" uniqKey="Nyina Amwiza L" first="Laetitia" last="Nyina-Wamwiza">Laetitia Nyina-Wamwiza</name><affiliation wicri:level="1"><country xml:lang="fr">Belgique</country><wicri:regionArea>The University of Namur, Unité de Recherches en Biologie des Organismes, Rue de Bruxelles, Namur</wicri:regionArea><wicri:noRegion>Namur</wicri:noRegion></affiliation></author><author><name sortKey="Xu, Xueliang L" sort="Xu, Xueliang L" uniqKey="Xu X" first="Xueliang L" last="Xu">Xueliang L. 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Dietary treatments were distributed by orthogonal design with dietary energy content ranging from 15.5 to 23.1 MJ kg−1 diet. Significant differences (P<0.05) in weight gain (%) and feed efficiency (FE) were observed after feeding trial. Relatively low growth and FE were found in fish fed diets containing 34% dietary protein level compared with that of fish fed diets with 43–50% protein levels, suggesting that 34% dietary protein probably is below the protein requirements of pikeperch fingerlings. Fish fed diets containing P43L10C15, P43L22C20 and P50L16C20 had significantly (P<0.05) higher weight gain and FE than fish fed the diets containing other dietary P/L/C ratios. There was no significant difference in weight gain and FE between fish fed diets of P43L10C15, P43L22C20 and P50L16C20. These results may indicate that pikeperch require at least 43% of dietary protein for adequate growth and FE, and considering the fish growth and feed ingredient cost P43L10C15 diet is more cost‐effective formulation for pikeperch fingerling. However, protein efficiency was not significantly affected by dietary P/L/C ratio.</div></front></TEI><affiliations><list><country><li>Belgique</li></country></list><tree><country name="Belgique"><noRegion><name sortKey="Nyina Amwiza, Laetitia" sort="Nyina Amwiza, Laetitia" uniqKey="Nyina Amwiza L" first="Laetitia" last="Nyina-Wamwiza">Laetitia Nyina-Wamwiza</name></noRegion><name sortKey="Blanchard, Gersande" sort="Blanchard, Gersande" uniqKey="Blanchard G" first="Gersande" last="Blanchard">Gersande Blanchard</name><name sortKey="Kestemont, Patrick" sort="Kestemont, Patrick" uniqKey="Kestemont P" first="Patrick" last="Kestemont">Patrick Kestemont</name><name sortKey="Xu, Xueliang L" sort="Xu, Xueliang L" uniqKey="Xu X" first="Xueliang L" last="Xu">Xueliang L. Xu</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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