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Title: Improved health and growth of fish fed mannan oligosaccharides: Potential mode of action
Authors: Torrecillas, Silvia
Montero, Daniel 
Izquierdo, Marisol 
Keywords: European Sea Bass
Drum Sciaenops-Ocellatus
Aeromonas-Hydrophila, et al
Issue Date: 2014
Publisher: 1050-4648
Journal: Fish and Shellfish Immunology 
Abstract: Nowadays, aquaculture industry still confronts several disease-related problems mainly caused by viruses, bacteria and parasites. In the last decade, the use of mannan oligosaccharides (MOS) in fish production has received increased attention due to its beneficial effects on fish performance and disease resistance. This review shows the MOS use in aquaculture with a specific emphasis on the effectiveness of the several MOS forms available in the market related to disease resistance, fish nutrition and the possible mechanisms involved. Among the main beneficial effects attributed to MOS dietary supplementation, enhanced fish performance, feed efficiency and pathogen protection by potentiation of the systemic and local immune system and the reinforcement of the epithelial barrier structure and functionality are some of the most commonly demonstrated benefits. These combined effects suggest that the reinforcement of the intestinal integrity and functionality, together with the stimulation of the innate immune system, are the primary mode of action of MOS in fish. However, the supplementation strategy related to the structure of the MOS added, the correct dose and duration, as well as fish species, size and culture conditions are determinant factors to achieve improvements in health status and growth performance. (C) 2014 Elsevier Ltd. All rights reserved.
ISSN: 1050-4648
DOI: 10.1016/j.fsi.2013.12.029
Source: Fish and Shellfish Immunology [ISSN 1050-4648], v. 36, p. 525-544
Appears in Collections:Reseña
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