The optimum dietary carbohydrate/lipid ratio can spare protein in growing beluga, Huso huso
Identifieur interne : 000613 ( Main/Exploration ); précédent : 000612; suivant : 000614The optimum dietary carbohydrate/lipid ratio can spare protein in growing beluga, Huso huso
Auteurs : M. Mohseni [Iran, Corée du Sud] ; M. H. S. Hassani [Iran] ; F. H. Pourali [Iran] ; M. Pourkazemi [Iran] ; S. C. Bai [Corée du Sud]Source :
- Journal of Applied Ichthyology [ 0175-8659 ] ; 2011-04.
Abstract
A 4 × 4 factorial design was used to examine the possible protein sparing effects of the optimum carbohydrate/lipid ratio to minimize the dietary protein level in growing Beluga, Huso huso. Three replicate groups of fish averaging 891.9 ± 33.4 g (mean ± SD) were fed one of the 16 experimental diets that were prepared containing four different dietary carbohydrate/lipid ratios of 0.8, 1.1, 1.4, and 1.7 at each of four different levels of protein 35, 40, 45 and 50%. At the end of 16 weeks of the experimental period, there were significant dietary protein effects on feed efficiency (FE) and protein efficiency ratio (PER) (P < 0.05). There were also interactive effects of protein and carbohydrate/lipid ratio on % weight gain (WG), specific growth rate (SGR), FE and PER. Fish fed 35%:1.4 had a significantly higher WG and SGR than did fish fed 40%:0.8, 50%:0.8 or 50%:1.7 (P < 0.05). Best performance of fish in terms of FE was recorded with diet 35%:1.4 (P < 0.05). At carbohydrate/lipid level of 1.7, SGR, FE, and PER of fish fed 50% protein were significantly lower than those of fish fed the other diets (P < 0.05). Beluga seems to utilize both lipid and carbohydrate as energy sources effectively within the range of 0.8–1.7 dietary carbohydrate/lipid ratio. The fish fed 35%:1.4 did show the best protein sparing effect.
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DOI: 10.1111/j.1439-0426.2011.01706.x
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Pourali</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea>International Sturgeon Research Institute, Rasht</wicri:regionArea><wicri:noRegion>Rasht</wicri:noRegion></affiliation></author><author><name sortKey="Pourkazemi, M" sort="Pourkazemi, M" uniqKey="Pourkazemi M" first="M." last="Pourkazemi">M. Pourkazemi</name><affiliation wicri:level="1"><country xml:lang="fr">Iran</country><wicri:regionArea>International Sturgeon Research Institute, Rasht</wicri:regionArea><wicri:noRegion>Rasht</wicri:noRegion></affiliation></author><author><name sortKey="Bai, S C" sort="Bai, S C" uniqKey="Bai S" first="S. C." last="Bai">S. C. 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Three replicate groups of fish averaging 891.9 ± 33.4 g (mean ± SD) were fed one of the 16 experimental diets that were prepared containing four different dietary carbohydrate/lipid ratios of 0.8, 1.1, 1.4, and 1.7 at each of four different levels of protein 35, 40, 45 and 50%. At the end of 16 weeks of the experimental period, there were significant dietary protein effects on feed efficiency (FE) and protein efficiency ratio (PER) (P < 0.05). There were also interactive effects of protein and carbohydrate/lipid ratio on % weight gain (WG), specific growth rate (SGR), FE and PER. Fish fed 35%:1.4 had a significantly higher WG and SGR than did fish fed 40%:0.8, 50%:0.8 or 50%:1.7 (P < 0.05). Best performance of fish in terms of FE was recorded with diet 35%:1.4 (P < 0.05). At carbohydrate/lipid level of 1.7, SGR, FE, and PER of fish fed 50% protein were significantly lower than those of fish fed the other diets (P < 0.05). Beluga seems to utilize both lipid and carbohydrate as energy sources effectively within the range of 0.8–1.7 dietary carbohydrate/lipid ratio. The fish fed 35%:1.4 did show the best protein sparing effect.</div></front></TEI><affiliations><list><country><li>Corée du Sud</li><li>Iran</li></country></list><tree><country name="Iran"><noRegion><name sortKey="Mohseni, M" sort="Mohseni, M" uniqKey="Mohseni M" first="M." last="Mohseni">M. Mohseni</name></noRegion><name sortKey="Hassani, M H S" sort="Hassani, M H S" uniqKey="Hassani M" first="M. H. S." last="Hassani">M. H. S. Hassani</name><name sortKey="Pourali, F H" sort="Pourali, F H" uniqKey="Pourali F" first="F. H." last="Pourali">F. H. Pourali</name><name sortKey="Pourkazemi, M" sort="Pourkazemi, M" uniqKey="Pourkazemi M" first="M." last="Pourkazemi">M. Pourkazemi</name></country><country name="Corée du Sud"><noRegion><name sortKey="Mohseni, M" sort="Mohseni, M" uniqKey="Mohseni M" first="M." last="Mohseni">M. Mohseni</name></noRegion><name sortKey="Bai, S C" sort="Bai, S C" uniqKey="Bai S" first="S. C." last="Bai">S. C. Bai</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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