Studio retrospettivo dal 2000 al 2017 sulle caratteristiche degli isolati batterici nei pesci di allevamento e ornamentali in svizzera

Translated title of the contribution: Characteristics of bacterial isolates in swiss farmed and ornamental fish from a retrospective study from 2000 to 2017

G. Delalay, J. Berezowski, N. Diserens, Heike Schmidt-Posthaus*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Aquaculture is a rapidly growing field of food production of high economic importance. Bacterial infections are an important threat to aquaculture growth and also a common problem in ornamental fish. Some pathogenic agents and aquaculture production types are reported to be associated with increased disease. However, a detailed description of bacterial pathogens causing disease in Swiss aquaculture and ornamental pet fish is still missing. In this study we describe 1448 bacterial isolations originating from 1134 diagnostic laboratory submissions from farmed and ornamental fish in Switzerland for the period from 2000 to 2017. A strong sea-sonality was observed with submissions peaking in spring and summer. Bacterial isolations in fish submitted from organic farms were approximately six times more frequent than in conventional fish farms. Flavo-bacteriaceae, aeromonads and Yersinia ruckeri were the most common isolates from aquaculture, and motile aeromonads and Vibrio spp. were most often isolated from ornamental fish. The results of this study provide some interesting hypotheses, but further research is needed to better characterize risk factors for bacterial diseases in both aquaculture and aquarium fish in Switzerland.

Translated title of the contributionCharacteristics of bacterial isolates in swiss farmed and ornamental fish from a retrospective study from 2000 to 2017
Original languageGerman
Pages (from-to)43-57
Number of pages15
JournalSchweizer Archiv fur Tierheilkunde
Volume161
Issue number1
DOIs
Publication statusPrint publication - 1 Jan 2018
Externally publishedYes

Keywords

  • Aquaculture
  • Bacterial infections
  • Ornamental fish
  • Production type
  • Risk factor
  • Switzerland

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