Study of frequency and antimicrobial resistance of Lactococcus garvieae in rainbow trout fish in Chaharmahal va Bakhtiari Province

Introduction: Lactococcus garvieae is the causative agent of lactococosis in fish which is transmittable to human in the case of contact or consumption of infected fish. The bacteria has been highly prevalent in fish farms. Materials and methods: In this study, frequency and antimicrobial...

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Main Authors: Masoud Shahrani, Mehdi Raissy, Elahe Tajbakhsh
Format: Article
Language:English
Published: University of Isfahan 2014-11-01
Series:Biological Journal of Microorganism
Subjects:
Online Access:http://uijs.ui.ac.ir/bjm//browse.php?a_code=A-10-540-1&slc_lang=en&sid=1
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author Masoud Shahrani
Mehdi Raissy
Elahe Tajbakhsh
author_facet Masoud Shahrani
Mehdi Raissy
Elahe Tajbakhsh
author_sort Masoud Shahrani
collection DOAJ
description Introduction: Lactococcus garvieae is the causative agent of lactococosis in fish which is transmittable to human in the case of contact or consumption of infected fish. The bacteria has been highly prevalent in fish farms. Materials and methods: In this study, frequency and antimicrobial resistance of L. garvieae was studied in rainbow trout fish farms in Chaharmahal va Bakhtiari Province. A total of 100 fish from 33 fish farms were collected in summer 2013 and were transmitted to the laboratory in appropriate conditions. The isolates were identified using biochemical tests and PCR. Results: The results indicated that fish from 23 out of 33 studied farms were infected with L. garvieae and 49 isolates were collected from the fish. The results also represented multi drug resistance of all isolates to common antibiotics. Minimum and maximum resistance was 30.7 and 65.4% for gentamicin and enrofloxacin, respectively. Discussion and conclusion: Infection of fish in more than 76 percent of the studied fish farms and high drug resistance of Lactococcus is a serious danger for aquaculture and for public health. Moreover, ability to infect humans and countless problems due to transmission of antimicrobial resistance to other bacteria reduplicates the importance of controlling the disease and surveillance on using antimicrobials in fish farms.
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spelling doaj.art-dc65ef86b4444df4a2d2b1cc870042262022-12-22T01:43:43ZengUniversity of IsfahanBiological Journal of Microorganism2322-51732322-51812014-11-013117178Study of frequency and antimicrobial resistance of Lactococcus garvieae in rainbow trout fish in Chaharmahal va Bakhtiari ProvinceMasoud Shahrani0Mehdi Raissy1Elahe Tajbakhsh2 Introduction: Lactococcus garvieae is the causative agent of lactococosis in fish which is transmittable to human in the case of contact or consumption of infected fish. The bacteria has been highly prevalent in fish farms. Materials and methods: In this study, frequency and antimicrobial resistance of L. garvieae was studied in rainbow trout fish farms in Chaharmahal va Bakhtiari Province. A total of 100 fish from 33 fish farms were collected in summer 2013 and were transmitted to the laboratory in appropriate conditions. The isolates were identified using biochemical tests and PCR. Results: The results indicated that fish from 23 out of 33 studied farms were infected with L. garvieae and 49 isolates were collected from the fish. The results also represented multi drug resistance of all isolates to common antibiotics. Minimum and maximum resistance was 30.7 and 65.4% for gentamicin and enrofloxacin, respectively. Discussion and conclusion: Infection of fish in more than 76 percent of the studied fish farms and high drug resistance of Lactococcus is a serious danger for aquaculture and for public health. Moreover, ability to infect humans and countless problems due to transmission of antimicrobial resistance to other bacteria reduplicates the importance of controlling the disease and surveillance on using antimicrobials in fish farms.http://uijs.ui.ac.ir/bjm//browse.php?a_code=A-10-540-1&slc_lang=en&sid=1Lactococcus garvieae lactococosis Antimicrobial resistance Rainbow trout
spellingShingle Masoud Shahrani
Mehdi Raissy
Elahe Tajbakhsh
Study of frequency and antimicrobial resistance of Lactococcus garvieae in rainbow trout fish in Chaharmahal va Bakhtiari Province
Biological Journal of Microorganism
Lactococcus garvieae
lactococosis
Antimicrobial resistance
Rainbow trout
title Study of frequency and antimicrobial resistance of Lactococcus garvieae in rainbow trout fish in Chaharmahal va Bakhtiari Province
title_full Study of frequency and antimicrobial resistance of Lactococcus garvieae in rainbow trout fish in Chaharmahal va Bakhtiari Province
title_fullStr Study of frequency and antimicrobial resistance of Lactococcus garvieae in rainbow trout fish in Chaharmahal va Bakhtiari Province
title_full_unstemmed Study of frequency and antimicrobial resistance of Lactococcus garvieae in rainbow trout fish in Chaharmahal va Bakhtiari Province
title_short Study of frequency and antimicrobial resistance of Lactococcus garvieae in rainbow trout fish in Chaharmahal va Bakhtiari Province
title_sort study of frequency and antimicrobial resistance of lactococcus garvieae in rainbow trout fish in chaharmahal va bakhtiari province
topic Lactococcus garvieae
lactococosis
Antimicrobial resistance
Rainbow trout
url http://uijs.ui.ac.ir/bjm//browse.php?a_code=A-10-540-1&slc_lang=en&sid=1
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AT mehdiraissy studyoffrequencyandantimicrobialresistanceoflactococcusgarvieaeinrainbowtroutfishinchaharmahalvabakhtiariprovince
AT elahetajbakhsh studyoffrequencyandantimicrobialresistanceoflactococcusgarvieaeinrainbowtroutfishinchaharmahalvabakhtiariprovince