Comparative pathogenicity of Vibrio spp., Photobacterium damselae ssp. damselae and five isolates of Aeromonas salmonicida ssp. achromogenes in juvenile Atlantic halibut (Hippoglossus hippoglossus)

Juvenile Atlantic halibut (~100 mg, Hippoglossus hippoglossus) were exposed to Vibrio proteolyticus, a Vibrio spp. isolate, Photobacterium damselae ssp. damselae and five different isolates of Aeromonas salmonicida ssp. achromogenes via an hour‐long bath immersion to ascertain their variation in pat...

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Bibliographic Details
Published in:	Journal of fish diseases Vol. 41; no. 1; pp. 79 - 86
Main Authors:	Bowden, T J, Bricknell, I R, Preziosi, B M
Format:	Journal Article
Language:	English
Published:	England Blackwell Publishing Ltd 01-01-2018
Subjects:	Aeromonas salmonicida Aeromonas salmonicida - pathogenicity Aeromonas salmonicida ssp. achromogenes Animals Atlantic halibut Bacteria Data processing Disease Susceptibility - veterinary Fish Fish Diseases - microbiology Fish Diseases - pathology Flounder - microbiology Gram-Negative Bacterial Infections - veterinary Halibut Hippoglossus hippoglossus Marine fishes Pathogenicity Pathogens Photobacterium - pathogenicity Photobacterium damselae Photobacterium damselae ssp. damselae Survival Survival Analysis Vibrio Vibrio - pathogenicity Vibrio spp Waterborne diseases Photobacterium damselae ssp. damselae Hippoglossus hippoglossus Aeromonas salmonicida ssp. achromogenes Atlantic halibut Vibrio spp
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Summary:	Juvenile Atlantic halibut (~100 mg, Hippoglossus hippoglossus) were exposed to Vibrio proteolyticus, a Vibrio spp. isolate, Photobacterium damselae ssp. damselae and five different isolates of Aeromonas salmonicida ssp. achromogenes via an hour‐long bath immersion to ascertain their variation in pathogenicity to this fish species. Results were analysed using Kaplan–Meier survival analysis. Analysis of the data from challenges using A. salmonicida ssp. achromogenes revealed three survival values of zero and a spread of values from 0 to 28.43. Challenges using a Vibrio spp isolate, V. proteolyticus and P. damselae resulted in Kaplan–Meier survival estimates of 31.21, 50.41 and 57.21, respectively. As all bacterial species tested could induce juvenile halibut mortalities, they must all be considered as potential pathogens. However, the degree of pathogenicity of A. salmonicida is isolate dependent.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0140-7775 1365-2761
DOI:	10.1111/jfd.12679