The effects of oligofructose on growth performance, survival and autochthonous intestinal microbiota of beluga (Huso huso) juveniles
Identifieur interne : 000629 ( Main/Merge ); précédent : 000628; suivant : 000630The effects of oligofructose on growth performance, survival and autochthonous intestinal microbiota of beluga (Huso huso) juveniles
Auteurs : S. H. Hoseinifar [Iran] ; A. Mirvaghefi [Iran] ; B. Mojazi Amiri [Iran] ; H. K. Rostami [Iran] ; D. L. Merrifield [Royaume-Uni]Source :
- Aquaculture Nutrition [ 1353-5773 ] ; 2011-10.
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Abstract
Preliminary experiments were undertaken to investigate the effects of oligofructose on beluga sturgeon (Huso huso) growth performance, survival and culturable autochthonous intestinal microbiota. Juveniles (20 g) were fed diets containing varying levels of oligofructose (10, 20 and 30 g kg−1) at 2–3% body weight per day for 7 weeks. Compared to the control group, no significant (P > 0.05) effect on growth performance was observed in fish fed diets supplemented with oligofructose at 10 and 20 g kg−1. However, compared to the 20 g kg−1 group, feeding oligofructose at 30 g kg−1 resulted in adverse effects on growth performance. Dietary supplementation of oligofructose at 20 g kg−1 significantly increased survival rate. Microbiological assessment indicated that the viable culturable autochthonous levels were not affected by dietary oligofructose. Although lactic acid bacteria (LAB) were not a dominant component of the endogenous autochthonous microbiota, LAB levels were significantly elevated in fish fed 20 g kg−1 dietary oligofructose. This elevated LAB population was able to persist for at least 1 week after reverting the prebiotic group back to a control diet. This study encourages further research on different aspects of oligofructose in sturgeon culture with clear emphasis on optimizing dosage levels.
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DOI: 10.1111/j.1365-2095.2010.00828.x
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H." last="Hoseinifar">S. H. Hoseinifar</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea> Department of Fisheries & Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj</wicri:regionArea><wicri:noRegion>Karaj</wicri:noRegion></affiliation></author><author><name sortKey="Mirvaghefi, A" sort="Mirvaghefi, A" uniqKey="Mirvaghefi A" first="A." last="Mirvaghefi">A. Mirvaghefi</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea> Department of Fisheries & Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj</wicri:regionArea><wicri:noRegion>Karaj</wicri:noRegion></affiliation></author><author><name sortKey="Mojazi Amiri, B" sort="Mojazi Amiri, B" uniqKey="Mojazi Amiri B" first="B." last="Mojazi Amiri">B. Mojazi Amiri</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea> Department of Fisheries & Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj</wicri:regionArea><wicri:noRegion>Karaj</wicri:noRegion></affiliation></author><author><name sortKey="Rostami, H K" sort="Rostami, H K" uniqKey="Rostami H" first="H. K." last="Rostami">H. K. Rostami</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea> Iranian fisheries research organization (IFRO), Inland waters fisheries research of Gorgan, Gorgan</wicri:regionArea><wicri:noRegion>Gorgan</wicri:noRegion></affiliation></author><author><name sortKey="Merrifield, D L" sort="Merrifield, D L" uniqKey="Merrifield D" first="D. L." last="Merrifield">D. L. Merrifield</name><affiliation wicri:level="1"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea> Aquaculture and Fish Nutrition Research Group, School of Biomedical and Biological Sciences, The University of Plymouth, Plymouth</wicri:regionArea><wicri:noRegion>Plymouth</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Aquaculture Nutrition</title><idno type="ISSN">1353-5773</idno><idno type="eISSN">1365-2095</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2011-10">2011-10</date><biblScope unit="volume">17</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="498">498</biblScope><biblScope unit="page" to="504">504</biblScope></imprint><idno type="ISSN">1353-5773</idno></series><idno type="istex">2A2008968700E42B7EA47385C25D07761FABF608</idno><idno type="DOI">10.1111/j.1365-2095.2010.00828.x</idno><idno type="ArticleID">ANU828</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1353-5773</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Huso huso</term><term>growth</term><term>intestinal microbiota</term><term>oligofructose</term><term>prebiotic</term><term>survival</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Preliminary experiments were undertaken to investigate the effects of oligofructose on beluga sturgeon (Huso huso) growth performance, survival and culturable autochthonous intestinal microbiota. Juveniles (20 g) were fed diets containing varying levels of oligofructose (10, 20 and 30 g kg−1) at 2–3% body weight per day for 7 weeks. Compared to the control group, no significant (P > 0.05) effect on growth performance was observed in fish fed diets supplemented with oligofructose at 10 and 20 g kg−1. However, compared to the 20 g kg−1 group, feeding oligofructose at 30 g kg−1 resulted in adverse effects on growth performance. Dietary supplementation of oligofructose at 20 g kg−1 significantly increased survival rate. Microbiological assessment indicated that the viable culturable autochthonous levels were not affected by dietary oligofructose. Although lactic acid bacteria (LAB) were not a dominant component of the endogenous autochthonous microbiota, LAB levels were significantly elevated in fish fed 20 g kg−1 dietary oligofructose. This elevated LAB population was able to persist for at least 1 week after reverting the prebiotic group back to a control diet. This study encourages further research on different aspects of oligofructose in sturgeon culture with clear emphasis on optimizing dosage levels.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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