Effects of the dietary protein levels and the protein to energy ratio in sub‐yearling Persian sturgeon, Acipenser persicus (Borodin)
Identifieur interne : 000367 ( Main/Exploration ); précédent : 000366; suivant : 000368Effects of the dietary protein levels and the protein to energy ratio in sub‐yearling Persian sturgeon, Acipenser persicus (Borodin)
Auteurs : Mahmoud Mohseni [Iran, Corée du Sud] ; Mohammad Pourkazemi [Iran] ; Mohammad Reza Hosseni [Iran] ; Mir Hamed S. Hassani [Iran] ; Sungchul C. Bai [Corée du Sud]Source :
- Aquaculture Research [ 1355-557X ] ; 2013-02.
Abstract
A 3 × 4 factorial design was used to evaluate the dietary protein requirement and to determine the optimum dietary protein to energy (P/DE) ratio in sub‐yearling Persian sturgeon, Acipenser persicus, reared in the indoor system. Twelve experimental diets (40P16, 40P17, 40P18, 40P19, 45P19, 45P17, 45P18, 45P19, 50P16, 50P17, 50P18 and 50P19) were formulated and prepared to contain three protein levels (40%, 45% and 50%) and four digestible energy levels (16, 17, 18 and 19 kJ g−1 diet) at each protein level. Fish averaging 103.3 ± 3.5 (mean ± SD) were fed one of the experimental diets for 14 weeks. At the end of the experimental period, there were significant energy effects (P < 0.05) on weight gain (WG) and specific growth rate (SGR). Weight gain and SGR tended to decrease, although non‐significantly, with increase in dietary protein levels. Furthermore, there were significant protein and energy interaction effects on WG, SGR, hepatosomatic index and protein efficiency ratio. However, there were no significant dietary protein, energy or their interaction effects on feed efficiency for fish fed all diets. Weight gain and SGR of fish fed 40P19 were significantly higher than those of fish fed 40P16, 45P16, 45P17, 50P16 and 50P17 diets (P < 0.05). There were no significant differences in WG and SGR among fish fed 40P17, 40P18, 40P19, 45P18, 45P19, 50P18 and 50P19 diets. These results may indicate that the optimum dietary protein requirement and the P/DE ratio could be 40% protein and 22.0 mg protein kJ−1 (40P18), respectively, in Persian sturgeon, based on growth performance and feed utilization.
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DOI: 10.1111/j.1365-2109.2011.03041.x
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Box 41635‐3464, Rasht</wicri:regionArea><wicri:noRegion>Rasht</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Marine Bio‐materials and Aquaculture⁄Feeds & Foods Nutrition Research Centre, Pukyong National University, Busan</wicri:regionArea><wicri:noRegion>Busan</wicri:noRegion></affiliation></author><author><name sortKey="Pourkazemi, Mohammad" sort="Pourkazemi, Mohammad" uniqKey="Pourkazemi M" first="Mohammad" last="Pourkazemi">Mohammad Pourkazemi</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea>International Sturgeon Research Institute, P.O. Box 41635‐3464, Rasht</wicri:regionArea><wicri:noRegion>Rasht</wicri:noRegion></affiliation></author><author><name sortKey="Hosseni, Mohammad Reza" sort="Hosseni, Mohammad Reza" uniqKey="Hosseni M" first="Mohammad Reza" last="Hosseni">Mohammad Reza Hosseni</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea>International Sturgeon Research Institute, P.O. Box 41635‐3464, Rasht</wicri:regionArea><wicri:noRegion>Rasht</wicri:noRegion></affiliation></author><author><name sortKey="Hassani, Mir Hamed S" sort="Hassani, Mir Hamed S" uniqKey="Hassani M" first="Mir Hamed S." last="Hassani">Mir Hamed S. Hassani</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea>International Sturgeon Research Institute, P.O. 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Bai</name><affiliation wicri:level="1"><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Marine Bio‐materials and Aquaculture⁄Feeds & Foods Nutrition Research Centre, Pukyong National University, Busan</wicri:regionArea><wicri:noRegion>Busan</wicri:noRegion></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Corée du Sud</country></affiliation></author></analytic><monogr></monogr><series><title level="j">Aquaculture Research</title><title level="j" type="abbrev">Aquac Res</title><idno type="ISSN">1355-557X</idno><idno type="eISSN">1365-2109</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2013-02">2013-02</date><biblScope unit="volume">44</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="378">378</biblScope><biblScope unit="page" to="387">387</biblScope></imprint><idno type="ISSN">1355-557X</idno></series><idno type="istex">B4E9AEEC9EFBB4829F17AA862079CCE0A9AE49FE</idno><idno type="DOI">10.1111/j.1365-2109.2011.03041.x</idno><idno type="ArticleID">ARE3041</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1355-557X</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">A 3 × 4 factorial design was used to evaluate the dietary protein requirement and to determine the optimum dietary protein to energy (P/DE) ratio in sub‐yearling Persian sturgeon, Acipenser persicus, reared in the indoor system. Twelve experimental diets (40P16, 40P17, 40P18, 40P19, 45P19, 45P17, 45P18, 45P19, 50P16, 50P17, 50P18 and 50P19) were formulated and prepared to contain three protein levels (40%, 45% and 50%) and four digestible energy levels (16, 17, 18 and 19 kJ g−1 diet) at each protein level. Fish averaging 103.3 ± 3.5 (mean ± SD) were fed one of the experimental diets for 14 weeks. At the end of the experimental period, there were significant energy effects (P < 0.05) on weight gain (WG) and specific growth rate (SGR). Weight gain and SGR tended to decrease, although non‐significantly, with increase in dietary protein levels. Furthermore, there were significant protein and energy interaction effects on WG, SGR, hepatosomatic index and protein efficiency ratio. However, there were no significant dietary protein, energy or their interaction effects on feed efficiency for fish fed all diets. Weight gain and SGR of fish fed 40P19 were significantly higher than those of fish fed 40P16, 45P16, 45P17, 50P16 and 50P17 diets (P < 0.05). There were no significant differences in WG and SGR among fish fed 40P17, 40P18, 40P19, 45P18, 45P19, 50P18 and 50P19 diets. These results may indicate that the optimum dietary protein requirement and the P/DE ratio could be 40% protein and 22.0 mg protein kJ−1 (40P18), respectively, in Persian sturgeon, based on growth performance and feed utilization.</div></front></TEI><affiliations><list><country><li>Corée du Sud</li><li>Iran</li></country></list><tree><country name="Iran"><noRegion><name sortKey="Mohseni, Mahmoud" sort="Mohseni, Mahmoud" uniqKey="Mohseni M" first="Mahmoud" last="Mohseni">Mahmoud Mohseni</name></noRegion><name sortKey="Hassani, Mir Hamed S" sort="Hassani, Mir Hamed S" uniqKey="Hassani M" first="Mir Hamed S." last="Hassani">Mir Hamed S. Hassani</name><name sortKey="Hosseni, Mohammad Reza" sort="Hosseni, Mohammad Reza" uniqKey="Hosseni M" first="Mohammad Reza" last="Hosseni">Mohammad Reza Hosseni</name><name sortKey="Pourkazemi, Mohammad" sort="Pourkazemi, Mohammad" uniqKey="Pourkazemi M" first="Mohammad" last="Pourkazemi">Mohammad Pourkazemi</name></country><country name="Corée du Sud"><noRegion><name sortKey="Mohseni, Mahmoud" sort="Mohseni, Mahmoud" uniqKey="Mohseni M" first="Mahmoud" last="Mohseni">Mahmoud Mohseni</name></noRegion><name sortKey="Bai, Sungchul C" sort="Bai, Sungchul C" uniqKey="Bai S" first="Sungchul C." last="Bai">Sungchul C. Bai</name><name sortKey="Bai, Sungchul C" sort="Bai, Sungchul C" uniqKey="Bai S" first="Sungchul C." last="Bai">Sungchul C. Bai</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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