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Do stocking densities affect the gut microbiota of gibel carp (Carassius auratus gibelio) cultured in ponds? 

Ringø, Einar (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
The aim of the present study was to evaluate the intestinal microbial communities of gibel carp (Carassius auratus gibelio) cultivated in two beach ponds at different stocking densities. The two ponds were both ~3.33 hm2 in acreage and ~1.5 m in depth. The stocking densities included one intensive with 2 fish m–3 while the other treated as semi-intensive with 1 fish m–3. The gut microbiota (both ...
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Evaluation of probiotic strain Bacillus subtilis C-3102 as a feed supplement for koi carp (Cyprinus carpio) 

Ringø, Einar (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
In this study, the effects of dietary probiotic Bacillus subtilis C-3102 (Calsporin®) on the growth performance, predominant intestinal microbiota, expression of cytokines genes in three organs (liver, intestine and kidney) and protection against Aeromonas hydrophila infection of koi carp were investigated. Fish were fed two different diets, 1-control diet (non-supplemented) and 2-experimental diet ...
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Histological and bacteriological changes in intestine of beluga (Huso huso) following ex vivo exposure to bacterial strains 

Salma, Wahida; Zhou, Zhigang; Wang, Wenwan; Askarian, Fatemeh; Kousha, Armin; Ebrahimi, Maryam Tajabadi; Myklebust, Reidar; Ringø, Einar (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
In the present study the intestinal sac method (ex vivo) was used to evaluate the interactions between lactic acid bacteria and staphylococci in the gastrointestinal (GI) tract of beluga (Huso huso). The distal intestine (DI) of beluga was exposed ex vivo to Staphylococcus aureus, Leuconostoc mesenteroides and Lactobacillus plantarum. Histological changes following bacterial exposure were assessed ...
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Effects of dietary soybean meal, inulin and oxytetracycline on gastrointestinal histological characteristics, distal intestine cell proliferation and intestinal microbiota in Atlantic salmon (Salmo salar L.) 

Bakke-Mckellep, AM; Sperstad, Sigmund; Penn, MH; Salas, PM; Refstie, Ståle; Landsverk, Tor; Ringø, Einar; Krogdahl, Åshild (Journal article; Tidsskriftartikkel; Peer reviewed, 2007)
Soyabean meal (SBM)-induced enteritis in the distal intestine of the teleost Atlantic salmon (Salmo salar L.) and other salmonids may be considered a model for diet-related mucosal disorders in other animals and man. The role of the intestinal microbiota in its pathogenesis was explored. Compared to diets containing fishmeal (FM) as the sole protein source, responses to extracted SBM or the prebiotic ...
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Evaluation of prebiotic and probiotic effects on the intestinal gut microbiota and histology of Atlantic salmon (Salmo salar L.) 

Kristiansen, Mads; Ringø, Einar (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
In the present study the impact on gut microbiology and indigenous gut histology of Atlantic salmon (Salmo salar L.) was investigated following feeding of a control and a prebiotic (EWOS prebiosal®) diet and ex vivo exposure to saline or the probiotic bacterium Carnobacterium divergens. The results showed that ex vivo exposure of C. divergens at 108 CFU ml-1 did not cause cell damage to the intestine ...
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The influence of weight and gender on intestinal bacterial community of wild largemouth bronze gudgeon (Coreius guichenoti, 1874) 

Li, Xuemei; Yan, Qingyun; Ringø, Einar; Wu, Xingbing; He, Yongfeng; Yang, Deguo (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-08-22)
Background: Largemouth bronze gudgeon (Coreius guichenoti) is of economic importance in China, distributed in upstream regions of the Yangtze River in China. But it has recently dramatically declined and is close to elimination. However, there is little knowing about the character of its intestinal microbiota. This study was conducted to elucidate the intestinal microbiota of wild largemouth bronze ...
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Criteria for Safe Use of Plant Ingredients in Diets for Aquacultured Fish 

Hemre, Gro-Ingun; Ringø, Einar; Amlund, Heidi; Aursand, Marit; Bakke-McKellep, Anne Marie; Olsen, Rolf Erik; Svihus, Birger (Research report; Forskningsrapport, 2009)
A thorough review of different aspects on the health implications of using vegetable feed ingredients, both protein and lipid alternatives to fishmeal and fish oil, plus possible additions of immunostimulants, also including a short chapter on undesirable components, the use of genetically modified plants, and how processing may affect feed quality and availability, are given in the different chapters ...
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Analysis of bacterial diversity in the intestine of grass carp (Ctenopharyngodon idellus) based on 16S rDNA gene sequences 

Han, A; Ringø, Einar; Liu, Yuchan; Zhou, Zhigang; He, Suxu; Cao, Yanan; Bin, Yao (Journal article; Tidsskriftartikkel; Peer reviewed, 2010)
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Extracellular tannase-producing bacteria detected in the digestive tracts of freshwater fishes (Actinopterygii: Cyprinidae and Cichlidae) 

Talukdar, Sandipan; Ringø, Einar; Ghosh, Koushik (Journal article; Tidsskriftartikkel; Peer reviewed, 2016)
Background. Although, presence of tannase-producing and/or tannin tolerant gut bacteria has been documented in ruminants and non-ruminant herbivores, the topic is rarely addressed in fi sh. The present study aimed at enumeration of autochthonous tannase-producing bacteria in the gut of freshwater teleosts. <p> Materials and methods. This study covered seven freshwater teleost fi sh species: rohu, ...
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Effects of dietary Lactobacillus plantarum and AHL lactonase on the control of Aeromonas hydrophila infection in tilapia 

Liu, Wenshu; Ran, Chao; Liu, Zhi; Gao, Qian; Xu, Shude; Ringø, Einar; Myklebust, Reidar; Gu, Zemao; Zhou, Zhigang (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-04-20)
This study addressed the effects of dietary Lactobacillus plantarum or/and N-acylated homoserine lactonase (AHL lactonase) on controlling Aeromonas hydrophila infection in juvenile hybrid tilapia (Oreochromis niloticus♀ × O. aureus ♂). Fish were fed Lb. plantarum subsp. plantarum strain JCM1149 (108 CFU/g feed) or/and AHL lactonase AIO6 (4 U/g) and were exposed to a chronic challenge of A. hydrophila ...
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Filter by Date Issued2010 - 2020 (23)2007 - 2009 (2)Filter by Document TypeJournal article (22)Peer reviewed (22)Tidsskriftartikkel (22)Forskningsrapport (3)Research report (3)Filter by Author
Ringø, Einar (25)
Hoseinifar, Seyed Hossein (6)Zhou, Zhigang (5)Doan, Hien Van (3)Ghosh, Koushik (3)He, Suxu (3)Van Doan, Hien (3)Amlund, Heidi (2)Aursand, Marit (2)Jaturasitha, Sanchai (2)... View More
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