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Efficacy of Common Disinfectants against Mycobacterium marinum

Efficacy of Common Disinfectants against Mycobacterium marinum Mycobacteriosis is an important bacterial disease of freshwater, brackish‐water, and marine fishes. In addition to affecting many species of wild and cultured fish, the aquatic mycobacterial species present a potentially important zoonotic risk to humans. Reduction or elimination of the causative pathogen from an aquarium or aquaculture facility is therefore paramount. This study examined a variety of commercially available disinfectants for their efficacy in reducing or eliminating Mycobacterium marinum. In this study, ethyl alcohol (50% and 70%), benzyl‐4‐chlorophenol/phenylphenol (1%), and sodium chlorite (mixed as 1:5:1 or 1:18:1 [base : water : activator]) were the most effective disinfectants evaluated; each reduced or eliminated the number of detectable M. marinum within 1 min of contact time. Sodium hypochlorite (50,000 mg/L) was moderately effective but required a minimum contact time of 10 min to reduce bacterial counts. Ethyl alcohol (30%), N‐alkyl dimethyl benzyl ammonium chloride (1:256; two formulations), and potassium peroxymonosulfate– sodium chloride (1%) did not substantially reduce bacterial counts even after 60 min of contact time. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Aquatic Animal Health Wiley

Efficacy of Common Disinfectants against Mycobacterium marinum

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References (22)

Publisher
Wiley
Copyright
© American Fisheries Society
ISSN
0899-7659
eISSN
1548-8667
DOI
10.1577/H04-051.1
Publisher site
See Article on Publisher Site

Abstract

Mycobacteriosis is an important bacterial disease of freshwater, brackish‐water, and marine fishes. In addition to affecting many species of wild and cultured fish, the aquatic mycobacterial species present a potentially important zoonotic risk to humans. Reduction or elimination of the causative pathogen from an aquarium or aquaculture facility is therefore paramount. This study examined a variety of commercially available disinfectants for their efficacy in reducing or eliminating Mycobacterium marinum. In this study, ethyl alcohol (50% and 70%), benzyl‐4‐chlorophenol/phenylphenol (1%), and sodium chlorite (mixed as 1:5:1 or 1:18:1 [base : water : activator]) were the most effective disinfectants evaluated; each reduced or eliminated the number of detectable M. marinum within 1 min of contact time. Sodium hypochlorite (50,000 mg/L) was moderately effective but required a minimum contact time of 10 min to reduce bacterial counts. Ethyl alcohol (30%), N‐alkyl dimethyl benzyl ammonium chloride (1:256; two formulations), and potassium peroxymonosulfate– sodium chloride (1%) did not substantially reduce bacterial counts even after 60 min of contact time.

Journal

Journal of Aquatic Animal HealthWiley

Published: Sep 1, 2005

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