Effect of Dietary Prebiotic Inulin on Growth Performance, Intestinal Microflora, Body Composition and Hematological Parameters of Juvenile Beluga, Huso huso (Linnaeus, 1758)
Identifieur interne : 000446 ( Istex/Checkpoint ); précédent : 000445; suivant : 000447Effect of Dietary Prebiotic Inulin on Growth Performance, Intestinal Microflora, Body Composition and Hematological Parameters of Juvenile Beluga, Huso huso (Linnaeus, 1758)
Auteurs : Akrami Reza [Iran] ; Hajimoradloo Abdolmajid [Iran] ; Matinfar Abbas [Iran] ; Abedian Kinari Abdolmohammad [Iran]Source :
- Journal of the World Aquaculture Society [ 0893-8849 ] ; 2009-12.
Abstract
Use of prebiotics, nondigestible dietary ingredients that beneficially affect the host by selectively stimulating the growth of and/or activating the metabolism of health‐promoting bacteria in the intestinal tract, is a novel concept in aquaculture. An 8‐week feeding experiment was conducted to investigate the effects of dietary prebiotic inulin on growth performance, intestinal microflora, body composition and hematological parameters of juvenile beluga, Huso huso. Three replicate groups of fish (initially averaging weight as group 16.14 ± 0.38 g) were fed diets containing prebiotic inulin levels ranging from 1 to 3%. The basal diet contained 3% cellulose. Fish were fed to apparent satiation and growth performance was monitored. The results of linear regression showed that there was a negative relationship between some performance indices including weight gain (WG), specific growth rate (SGR), protein efficiency ratio (PER), energy retention (ER), feed efficiency (FE), protein retention (PR), and supplementation level of inulin, which indicated that inulin is not appropriate for supplementation in the diet of beluga. At the end of trial, in both basal and inulin groups, the total count of intestinal bacteria decreased within the second 4 weeks, but the intestinal lactic acid bacteria (LAB) increased in the 1% inulin group. These changes were not, however, reflected in the survival rate of the fish, although survival was higher compared to other groups.
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DOI: 10.1111/j.1749-7345.2009.00297.x
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An 8‐week feeding experiment was conducted to investigate the effects of dietary prebiotic inulin on growth performance, intestinal microflora, body composition and hematological parameters of juvenile beluga, Huso huso. Three replicate groups of fish (initially averaging weight as group 16.14 ± 0.38 g) were fed diets containing prebiotic inulin levels ranging from 1 to 3%. The basal diet contained 3% cellulose. Fish were fed to apparent satiation and growth performance was monitored. The results of linear regression showed that there was a negative relationship between some performance indices including weight gain (WG), specific growth rate (SGR), protein efficiency ratio (PER), energy retention (ER), feed efficiency (FE), protein retention (PR), and supplementation level of inulin, which indicated that inulin is not appropriate for supplementation in the diet of beluga. At the end of trial, in both basal and inulin groups, the total count of intestinal bacteria decreased within the second 4 weeks, but the intestinal lactic acid bacteria (LAB) increased in the 1% inulin group. These changes were not, however, reflected in the survival rate of the fish, although survival was higher compared to other groups.</div></front></TEI><affiliations><list><country><li>Iran</li></country></list><tree><country name="Iran"><noRegion><name sortKey="Reza, Akrami" sort="Reza, Akrami" uniqKey="Reza A" first="Akrami" last="Reza">Akrami Reza</name></noRegion><name sortKey="Abbas, Matinfar" sort="Abbas, Matinfar" uniqKey="Abbas M" first="Matinfar" last="Abbas">Matinfar Abbas</name><name sortKey="Abdolmajid, Hajimoradloo" sort="Abdolmajid, Hajimoradloo" uniqKey="Abdolmajid H" first="Hajimoradloo" last="Abdolmajid">Hajimoradloo Abdolmajid</name><name sortKey="Abdolmohammad, Abedian Kinari" sort="Abdolmohammad, Abedian Kinari" uniqKey="Abdolmohammad A" first="Abedian Kinari" last="Abdolmohammad">Abedian Kinari Abdolmohammad</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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