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KMID : 0359320190590010043
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Korean Journal of Veterinary Research
2019 Volume.59 No. 1 p.43 ~ p.45
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Conditions for the disinfectant efficacy test under subzero temperatures
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Chae Won-Seok
Jeong Woo-Seog
Lee Hu-Jang
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Abstract
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To establish appropriate conditions for a disinfectant efficacy test at subzero temperatures, this study examined mixtures of frozen foot-and-mouth disease virus or avian influenza virus solutions and disinfectant diluents at ?5°C and monitored temperature and freezing status of an anti-freezing diluent (AFD, 15% ethanol + 30% propylene glycol + 55% distilled water) over time at various subzero temperatures. Viral solutions and disinfectant diluents froze before the mixtures reached ?5°C, whereas the AFD was not frozen at ?30°C. The times taken for the AFD to reach ?10, ?20, ?30, and ?40°C from room temperature were 36, 39, 45, and 48 min, respectively.
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KEYWORD
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foot-and-mouth disease virus, avian influenza virus, disinfectant efficacy test, subzero temperature, anti-freezing diluent
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