Serveur d'exploration sur l'esturgeon

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High‐energy diets for white sturgeon, Acipenser transmontanus Richardson

Identifieur interne : 000827 ( Istex/Corpus ); précédent : 000826; suivant : 000828

High‐energy diets for white sturgeon, Acipenser transmontanus Richardson

Auteurs : S. S. O. Hung ; T. Storebakken ; Y. Cui ; L. Tian ; O. Einen

Source :

RBID : ISTEX:701B2694F4F327D89FABB0251D2D9F84386052DF

English descriptors

Abstract

Four diets formulated for salmon were fed to 0.11 kg white sturgeon, Acipenser transmontanus Richardson, for 8 weeks. Dietary compositions ranged from 258 to 402 g lipid kg−1, 535–378 g protein kg−1 and 22.7–14.4 g protein MJ−1 gross energy. Fish in all treatments grew rapidly, utilized the diets efficiently and had body compositions similar to what has been found in previous studies, but there were some dietary effects. Sturgeon fed the diet with the highest lipid content and lowest protein/energy ratio had lower (P < 0.05) specific growth rate, feed efficiency, and liver moisture and protein contents, and 6‐phosphogluconate dehydrogenase activity, but higher liver lipid contents than fish fed the other three diets. Condition factor, organ to body weight ratios, whole‐body and plasma concentrations of protein, glucose and triglyceride, and liver glucose‐6‐phosphate dehydrogenase, isocitrate dehydrogenase and malic enzyme activities did not differ significantly among dietary treatments. This suggests that white sturgeon subyearlings can utilize diets with high lipid contents (258–357 g kg−1) to display good growth without major adverse effects on body composition and liver lipogenic enzyme activities.

Url:
DOI: 10.1046/j.1365-2095.1997.00047.x

Links to Exploration step

ISTEX:701B2694F4F327D89FABB0251D2D9F84386052DF

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<sup>−1</sup>
gross energy.</p>
<p>Fish in all treatments grew rapidly, utilized the diets efficiently and had body compositions similar to what has been found in previous studies, but there were some dietary effects. Sturgeon fed the diet with the highest lipid content and lowest protein/energy ratio had lower (
<i>P</i>
< 0.05) specific growth rate, feed efficiency, and liver moisture and protein contents, and 6‐phosphogluconate dehydrogenase activity, but higher liver lipid contents than fish fed the other three diets. Condition factor, organ to body weight ratios, whole‐body and plasma concentrations of protein, glucose and triglyceride, and liver glucose‐6‐phosphate dehydrogenase, isocitrate dehydrogenase and malic enzyme activities did not differ significantly among dietary treatments. This suggests that white sturgeon subyearlings can utilize diets with high lipid contents (258–357 g kg
<sup>−1</sup>
) to display good growth without major adverse effects on body composition and liver lipogenic enzyme activities.</p>
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<title>High‐energy diets for white sturgeon, Acipenser transmontanus Richardson</title>
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<title>High‐energy diets for white sturgeon, Acipenser transmontanus Richardson</title>
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<name type="personal">
<namePart type="given">S. S. O.</namePart>
<namePart type="family">Hung</namePart>
<affiliation>Department of Animal Science, University of California, Davis, CA, USA,</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">T.</namePart>
<namePart type="family">Storebakken</namePart>
<affiliation>AKVAFORSK, Institute of Aquaculture Research, AS, Sunndalsøra, Norway,</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">Y.</namePart>
<namePart type="family">Cui</namePart>
<affiliation>Institute of Hydrobiology, Academia Sinica, Wuhan, China,</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">L.</namePart>
<namePart type="family">Tian</namePart>
<affiliation>Department of Biology, Zhongshan University, Guangzhou, China,</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">O.</namePart>
<namePart type="family">Einen</namePart>
<affiliation>AKVAFORSK, Institute of Aquaculture Research, AS, Ås, Norway</affiliation>
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<dateIssued encoding="w3cdtf">1997-12</dateIssued>
<copyrightDate encoding="w3cdtf">1997</copyrightDate>
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<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
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<abstract lang="en">Four diets formulated for salmon were fed to 0.11 kg white sturgeon, Acipenser transmontanus Richardson, for 8 weeks. Dietary compositions ranged from 258 to 402 g lipid kg−1, 535–378 g protein kg−1 and 22.7–14.4 g protein MJ−1 gross energy. Fish in all treatments grew rapidly, utilized the diets efficiently and had body compositions similar to what has been found in previous studies, but there were some dietary effects. Sturgeon fed the diet with the highest lipid content and lowest protein/energy ratio had lower (P < 0.05) specific growth rate, feed efficiency, and liver moisture and protein contents, and 6‐phosphogluconate dehydrogenase activity, but higher liver lipid contents than fish fed the other three diets. Condition factor, organ to body weight ratios, whole‐body and plasma concentrations of protein, glucose and triglyceride, and liver glucose‐6‐phosphate dehydrogenase, isocitrate dehydrogenase and malic enzyme activities did not differ significantly among dietary treatments. This suggests that white sturgeon subyearlings can utilize diets with high lipid contents (258–357 g kg−1) to display good growth without major adverse effects on body composition and liver lipogenic enzyme activities.</abstract>
<subject lang="en">
<genre>keywords</genre>
<topic>growth</topic>
<topic>high‐energy diet</topic>
<topic>white sturgeon</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Aquaculture Nutrition</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">1353-5773</identifier>
<identifier type="eISSN">1365-2095</identifier>
<identifier type="DOI">10.1111/(ISSN)1365-2095</identifier>
<identifier type="PublisherID">ANU</identifier>
<part>
<date>1997</date>
<detail type="volume">
<caption>vol.</caption>
<number>3</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>4</number>
</detail>
<extent unit="pages">
<start>281</start>
<end>286</end>
<total>6</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">701B2694F4F327D89FABB0251D2D9F84386052DF</identifier>
<identifier type="DOI">10.1046/j.1365-2095.1997.00047.x</identifier>
<identifier type="ArticleID">ANU47</identifier>
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<recordContentSource>WILEY</recordContentSource>
<recordOrigin>Blackwell Publishing Ltd</recordOrigin>
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