Disinfectant Effects of Hypochlorite Produced by Batch Electrolytic System on Fish Pathogenic Bacteria and Virus.
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Accession number;01A0744155
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| Title;Disinfectant Effects of Hypochlorite Produced by Batch Electrolytic System on Fish Pathogenic Bacteria and Virus. |
| Author;
KASAI HISAE
(Hokkaido Univ., Graduate School of Fisheries Sci., JPN)
WATANABE KEN'ICHI
(Nihonsaibaigyogyokyo)
YOSHIMIZU MAMORU
(Hokkaido Univ., Graduate School of Fisheries Sci., JPN)
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Journal Title;Suisan Zoshoku
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Journal Code:Y0285A
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ISSN:0371-4217
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VOL.49;NO.2;PAGE.237-241(2001)
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| Figure&Table&Reference;FIG.1, TBL.5, REF.8 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;The bactericidal and virucidal effects of hypochlorite produced by batch electrolytic system were examined for fish pathogens. Sodium chloride solutions, ranging from 0.5 to 3%, were electrolyzed and the concentration of chlorine produced was measured. Almost same concentration of chlorine was produced when 1.0% or more NaCl solution and seawater were electrolyzed. Fish pathogenic bacteria or virus was added to electrolyzed water and exposed to hypochlorite. More than 99% cells of Vibrio anguillarum, causative agent of fish vibriosis, were killed when the bacteria were exposed to 0.21mg/l hypochlorite for 1min. Yellowtail ascites virus(YAV) and hirame rhabdovirus(HIRRV), the causative agents of viral ascites disease and rhabdovirus disease of marine fish, were inactivated more than 99% after treatment with 0.42mg/l hypochlorite for 1min. The number of viable bacteria in the hatchery supply-seawater was reduced more than 99% when the water was treated with hypochlorite of 0.54mg/l for 1min. And more than 99% cells of viable bacteria in the waste-seawater were killed when the water was treated with hypochlorite of 0.64mg/l for 5min. The batch system developed in this study revealed remarkable bactericidal and virucidal effects, which were very similar to those in continuous flow-water system. (author abst.) |
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