Immersion challenge model for Flavobacterium psychrophilum infection of Atlantic salmon (Salmo salar L.) fry.
Flavobacterium psychrophilum
Atlantic salmon
bacterial cold-water disease (BCWD)
rainbow trout fry syndrome (RTFS)
Journal
Journal of fish diseases
ISSN: 1365-2761
Titre abrégé: J Fish Dis
Pays: England
ID NLM: 9881188
Informations de publication
Date de publication:
Nov 2022
Nov 2022
Historique:
revised:
22
07
2022
received:
13
05
2022
accepted:
27
07
2022
entrez:
12
10
2022
pubmed:
13
10
2022
medline:
15
10
2022
Statut:
ppublish
Résumé
Flavobacterium psychrophilum is the causative agent of bacterial cold-water disease (CWBD) and rainbow trout fry syndrome (RTFS), which affect salmonids. To better understand this pathogen and its interaction with the host during infection, including to support the development of resistant breeds and new vaccines and treatments, there is a pressing need for reliable and reproducible immersion challenge models that more closely mimic natural routes of infection. The aim of this present study was to evaluate a challenge model developed previously for rainbow trout for use in Atlantic salmon. First, preliminary challenges were conducted in Atlantic salmon (n = 120) and rainbow trout (n = 80) fry using two F. psychrophilum isolates collected from each fish species, respectively; fish had been pretreated with 200 mg/L hydrogen peroxide for 1 h. Thereafter, the main challenge was performed for just one F. psychrophilum isolate for each species (at 2 × 10
Identifiants
pubmed: 36223485
doi: 10.1111/jfd.13699
pmc: PMC9804593
doi:
Substances chimiques
Water
059QF0KO0R
Hydrogen Peroxide
BBX060AN9V
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1781-1788Subventions
Organisme : AquaGen Scotland Ltd
Organisme : Sustainable Aquaculture Innovation Centre (SAIC)
Organisme : University of Stirling
Informations de copyright
© 2022 The Authors. Journal of Fish Diseases published by John Wiley & Sons Ltd.
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