Journal ArticleDOI
Intestinal microflora of salmonids: a review
Einar Ringø,E Strøm,J-A Tabachek +2 more
Reads0
Chats0
TLDR
Bacterial genera isolated from fish intestines vary with salinity, antibiotics, chromic oxide, diet and dietary components such as linoleic acid, and display day-to-day fluctuations.Abstract:
Microflora isolated from fish intestines have been described for a limited number of salmonid fish species. The size of the microbial population of salmonids appears to vary within different regions of the gastrointestinal tract. The genera present in the gastrointestinal tract seem to be those which can survive and multiply in the intestinal tract. The predominant bacteria isolated from the salmonid gut are aerobes or facultative anaerobes. Few investigations have evaluated obligate anaerobes in the digestive tract of salmonids, and these studies have suggested that the population levels of obligate anaerobes are lower than those of facultative anaerobes. The bacterial genera isolated from fish intestines vary with salinity, antibiotics, chromic oxide, diet and dietary components such as linoleic acid, and display day-to-day fluctuations. Acinelobacter spp., Enterobacter spp. and Pseu-domonas spp. are regarded as autochthonous in Oncorhynchus species, while Aeromonas spp., Flavobacterium spp., Pseudomonas spp. and Lactobacillus spp. are suggested as autochthonous in Arctic charr, Salvelinus alpinus(L.).read more
Citations
More filters
Journal ArticleDOI
The use of probiotics in aquaculture
TL;DR: The most promising prospects are sketched out, but considerable efforts of research will be necessary to develop the applications to aquaculture.
Journal ArticleDOI
The role of probiotics in aquaculture
José Luis Balcázar,Ignacio de Blas,Imanol Ruiz-Zarzuela,David Cunningham,Daniel Vendrell,José Luis Múzquiz +5 more
TL;DR: This review provides a summary of the use of probiotics for prevention of bacterial diseases in aquaculture, with a critical evaluation of results obtained to date.
Journal ArticleDOI
Gnotobiotic zebrafish reveal evolutionarily conserved responses to the gut microbiota.
TL;DR: Methods for producing and rearing germ-free zebrafish through late juvenile stages are developed and established as a useful model for dissecting the molecular foundations of host-microbial interactions in the vertebrate digestive tract.
Journal ArticleDOI
The current status and future focus of probiotic and prebiotic applications for salmonids
Daniel L. Merrifield,Arkadios Dimitroglou,Andrew D. Foey,Simon J. Davies,R.T.M. Baker,Jarl Bøgwald,Mathieu Castex,Einar Ringø +7 more
TL;DR: The application of probiotics and prebiotics may result in elevated health status, improved disease resistance, growth performance, body composition, reduced malformations and improved gut morphology and microbial balance.
Journal ArticleDOI
Role of gastrointestinal microbiota in fish
TL;DR: The involvement of GI microbiota in fish nutrition, epithelial development, immunity as well as disease outbreak, and the need for manipulating the gut microbiota with useful beneficial microbes through probiotic, prebiotic and synbiotic concepts for better fish health management are indicated.
References
More filters
Journal ArticleDOI
Probiotics in man and animals
TL;DR: In this paper, the authors used probiotic treatments to re-establish the natural condition which exists in the wild animal but which has been disrupted by modern trends in conditions used for rearing young animals, including human babies, and in modern approaches to nutrition and disease therapy.
Journal Article
Probiotics in man and animals
TL;DR: These are all areas where the gut flora can be altered for the worse and where, by the administration of probiotics, the natural balance of the gut microflora can be restored and the animal returned to its normal nutrition, growth and health status.
Journal ArticleDOI
Microbial ecology of the gastrointestinal tract
TL;DR: A comparison study of how microbes in the BIOTA make their living (NICHES) and the localization of climax communities in adults reveals a complex web of interactions between the host organism and the environment.
Journal ArticleDOI
Bacterial flora of fishes: a review
TL;DR: While obligate anaerobes have been recovered from carp and tilapia intestines, low ambient temperatures may prevent colonization by anaerOBes in species such as rainbow trout.