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Gut microflora of abalone Haliotis discus hannai in culture changes coincident with a change in diet

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Title: Gut microflora of abalone Haliotis discus hannai in culture changes coincident with a change in diet
Authors: Tanaka, Reiji Browse this author
Sugimura, Itsuro Browse this author
Sawabe, Tomoo Browse this author →KAKEN DB
Yoshimizu, Mamoru Browse this author →KAKEN DB
Ezura, Yoshio Browse this author →KAKEN DB
Keywords: abalone
colony hybridization
gut microflora
non-motile fermenter
Vibrio halioticoli
Issue Date: 2003
Publisher: Japanese Society of Fisheries Science
Journal Title: Fisheries science
Volume: 69
Issue: 5
Start Page: 951
End Page: 958
Publisher DOI: 10.1046/j.1444-2906.2003.00712.x
Abstract: Development of gut microflora in abalone Haliotis discus hannai cultured at two abalone farms in Japan was similar: (i) gut microflora of juvenile abalones fed on microalgae matched microflora cultured from seawater; and (ii) gut microflora changed coincident with the abalone switching food sources from microalgae to algal pellets. After abalone reached 4 months of age, the gut microflora was replaced by algal polysaccharide-degrading bacteria, which were almost entirely characterized as facultative anaerobes. Dominant species were alginolytic, non-motile fermenters (NMF) and Vibrio spp. The gut microflora seemed to be stable in abalone older than 1 year, with NMF bacteria dominating. Ninety-six percent of the NMF isolates were identified as Vibrio halioticoli by species-specific identification using the colony hybridization method. These results show that abalone H. discus hannai has a unique developmental process in which gut microflora shifts to alginate-degrading bacteria, especially V. halioticoli.
Rights: © 2003 公益社団法人日本水産学会
© 2003 The Japanese Society of Fisheries Science
Type: article
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 澤辺 智雄

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