Dietary nucleotide supplements influence the growth, haemato‐immunological parameters and stress responses in endangered Caspian brown trout (Salmo trutta caspius Kessler, 1877)
Identifieur interne : 000381 ( Main/Merge ); précédent : 000380; suivant : 000382Dietary nucleotide supplements influence the growth, haemato‐immunological parameters and stress responses in endangered Caspian brown trout (Salmo trutta caspius Kessler, 1877)
Auteurs : A. Abedian Kenari [Iran] ; N. Mahmoudi [Iran] ; M. Soltani [Iran] ; S. Abediankenari [Iran]Source :
- Aquaculture Nutrition [ 1353-5773 ] ; 2013-02.
Abstract
A feeding trial was conducted to evaluate the effects of Optimûn, a commercial nucleotide (NT) product, on the growth, haemato‐immunological and serum biochemical parameters and stress responses of Caspian brown trout fingerlings (average initial weight of 12.26 g). A basal diet was supplemented with levels of 0 (control), 1.5, 2.5, 3.5 and 5 g NT kg−1 to formulate five experimental diets. After 8 weeks of feeding trial, fish fed diet with 2.5 g NT kg−1 had the highest final weight compared with other treatments. The fish fed diets with 2.5 g NT kg−1 had higher blood protein, albumin, albumin/globulin ratio, red blood cells, white blood cells and lymphocyte content and lower alkaline phosphatase. The lysozyme activity in serum was found to be significantly (P < 0.05) greater in fish fed diet with 2.5 g NT kg−1. Concerning both stressors (confinement and salinity stress), fish fed diet with 2.5 g NT kg−1 had lower plasma cortisol and glucose levels. Thus, administration of 2.5 g kg−1 of the Optimûn dietary nucleotide formula is recommended to promote growth and immunity as well as to enhance stress responses of Caspian brown trout.
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DOI: 10.1111/j.1365-2095.2012.00938.x
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Abedian" last="Kenari">A. Abedian Kenari</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea>Department of Fisheries, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, Mazandaran, Noor</wicri:regionArea><wicri:noRegion>Noor</wicri:noRegion></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Iran</country></affiliation></author><author><name sortKey="Mahmoudi, N" sort="Mahmoudi, N" uniqKey="Mahmoudi N" first="N." last="Mahmoudi">N. Mahmoudi</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea>Department of Fisheries, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, Mazandaran, Noor</wicri:regionArea><wicri:noRegion>Noor</wicri:noRegion></affiliation></author><author><name sortKey="Soltani, M" sort="Soltani, M" uniqKey="Soltani M" first="M." last="Soltani">M. Soltani</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea>Department of Aquatic Animal Diseases and Health, Faculty of Veterinary Medicine, University of Tehran, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Abediankenari, S" sort="Abediankenari, S" uniqKey="Abediankenari S" first="S." last="Abediankenari">S. Abediankenari</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea>Departments of Microbiology and Immunology, School of Medicine, Mazandaran University of Medical Sciences, Sari</wicri:regionArea><wicri:noRegion>Sari</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Aquaculture Nutrition</title><title level="j" type="abbrev">Aquacult Nutr</title><idno type="ISSN">1353-5773</idno><idno type="eISSN">1365-2095</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2013-02">2013-02</date><biblScope unit="volume">19</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="54">54</biblScope><biblScope unit="page" to="63">63</biblScope></imprint><idno type="ISSN">1353-5773</idno></series><idno type="istex">A843B237D307A0EFB46B7EEF46C29CED5F8A09D6</idno><idno type="DOI">10.1111/j.1365-2095.2012.00938.x</idno><idno type="ArticleID">ANU938</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1353-5773</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">A feeding trial was conducted to evaluate the effects of Optimûn, a commercial nucleotide (NT) product, on the growth, haemato‐immunological and serum biochemical parameters and stress responses of Caspian brown trout fingerlings (average initial weight of 12.26 g). A basal diet was supplemented with levels of 0 (control), 1.5, 2.5, 3.5 and 5 g NT kg−1 to formulate five experimental diets. After 8 weeks of feeding trial, fish fed diet with 2.5 g NT kg−1 had the highest final weight compared with other treatments. The fish fed diets with 2.5 g NT kg−1 had higher blood protein, albumin, albumin/globulin ratio, red blood cells, white blood cells and lymphocyte content and lower alkaline phosphatase. The lysozyme activity in serum was found to be significantly (P < 0.05) greater in fish fed diet with 2.5 g NT kg−1. Concerning both stressors (confinement and salinity stress), fish fed diet with 2.5 g NT kg−1 had lower plasma cortisol and glucose levels. Thus, administration of 2.5 g kg−1 of the Optimûn dietary nucleotide formula is recommended to promote growth and immunity as well as to enhance stress responses of Caspian brown trout.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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