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ISME J. 2014 Dec;8(12):2360-8. doi: 10.1038/ismej.2014.84. Epub 2014 Jun 3.

Ecological theory as a foundation to control pathogenic invasion in aquaculture.

Author information

1
Laboratory of Aquaculture and Artemia Reference Center, Ghent University, Ghent, Belgium.
2
Department of Biotechnology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.

Abstract

Detrimental host-pathogen interactions are a normal phenomenon in aquaculture animal production, and have been counteracted by prophylactic use of antibiotics. Especially, the youngest life stages of cultivated aquatic animals are susceptible to pathogen invasion, resulting in disease and mortality. To establish a more sustainable aquatic food production, there is a need for new microbial management strategies that focus on 'join them' and not the traditional 'beat them' approaches. We argue that ecological theory could serve as a foundation for developing sustainable microbial management methods that prevent pathogenic disease in larviculture. Management of the water microbiota in aquaculture systems according to ecological selection principles has been shown to decrease opportunistic pathogen pressure and to result in an improved performance of the cultured animals. We hypothesize that manipulation of the biodiversity of the gut microbiota can increase the host's resistance against pathogenic invasion and infection. However, substantial barriers need to be overcome before active management of the intestinal microbiota can effectively be applied in larviculture.

PMID:
24892581
PMCID:
PMC4260705
DOI:
10.1038/ismej.2014.84
[Indexed for MEDLINE]
Free PMC Article

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