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KMID : 1156220130390040376
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Journal of Environmental Health Sciences
2013 Volume.39 No. 4 p.376 ~ p.382
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Antiviral Efficacy of an Aquatic Disinfectant Tablet Composed of Calcium Hypochlorite Against Viral Hemorrhagic Septicemia Virus
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Park Eun-Kee
Yu Eun-Ah
Cha Chun-Nam
Yoo Chang-Yeul
Choi Hyun-Ju
Kim Suk
Lee Hu-Jang
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Abstract
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Objectives: The objectives of this study were to identify the virucidal efficacy against the viral hemorrhagic septicemia virus (VHSV) of an aquatic disinfectant tablet composed of calcium hypochlorite.
Methods: Virucidal efficacy was determined through the viability of VHSV contacted with the disinfectant in a viral stock cultured in a fathead minnow cell line. An aquatic disinfectant tablet and VHSV were reacted under distilled water (DW), hard water (HW) or organic matter suspension (OM) conditions.
Results: Under DW and HW conditions, VHSV was inactivated with 24,000- and 2000-fold dilutions of the aquatic disinfectant tablet, respectively. With the investigation of the antiviral effect of the disinfectant under OM conditions, VHSV was inactivated with a 16,000-fold dilution of the aquatic disinfectant tablet.
Conclusions: The results from this study showed that the aquatic disinfectant tablet was a highly effective disinfectant against VHSV. In the future, a controlled field trial is required to determine whether the use of an aquatic disinfectant tablet will be able to reduce VHSV in a cultured marine fish farm.
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KEYWORD
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Aquatic disinfectant tablet, viral hemorrhagic septicemia virus, calcium hypochlorite, disinfectant efficacy
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