Effects of Different Levels of Dietary Surfactin Supplementation on Intestinal Morphology, and Intestinal Microflora of Growth Retarded Marbled Eel Juveniles (Anguilla marmaorata)

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dc.contributor.authorZhai, S-W.
dc.contributor.authorChen, X-H.
dc.contributor.authorWang, M-H.
dc.date.accessioned2017-12-28T02:34:07Z
dc.date.available2017-12-28T02:34:07Z
dc.date.issued2017
dc.description.abstractThis 70 day trial was conducted to investigate the effects of surfactin on intestinal morphology and intestinal microflora of growth retarded marbled eels (Anguilla marmorata). A total of six hundred and forty marbled eels at elver stage were randomly allocated to 4 treatment groups on the basis of body weight. There were 4 replicate tanks in each treatment group with 40 fish per tank. Four diets were formulated with four levels of dietary surfactin: 0, 25, 50, and 100 mg/kg, respectively. Fish were fed twice daily to apparent satiation for 70 days. Retarded marbled eels fed diets with surfactin supplementation had enhanced mucosa folds in their intestines (P<0.05). It seems that the quantity of mucosa folds increased with the increasing surfactin levels in the diet. Dietary surfactin supplementation decreased the E. coli population significantly (P<0.05), and increased the Lactobacillus population significantly (P<0.05), but had no effect on total bacterial population in intestines of marbled eels (P>0.05). Results of the present study indicate that surfactin improves intestinal function in retarded elvers of marbled eels.
dc.format.extent7 pages
dc.identifier.issn0792-156X
dc.identifier.urihttp://hdl.handle.net/10524/57051
dc.subjectsurfactin
dc.subjectmarbled ee
dc.subjectintestinal morphology
dc.subjectintestinal microflora
dc.subject.lcshFish culture--Israel.
dc.subject.lcshFish culture
dc.titleEffects of Different Levels of Dietary Surfactin Supplementation on Intestinal Morphology, and Intestinal Microflora of Growth Retarded Marbled Eel Juveniles (Anguilla marmaorata)
dc.typeArticle
dc.type.dcmiText

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Volume 69, 2017