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KMID : 0380420220460010016
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Journal of Prventive Veterinary Medicine
2022 Volume.46 No. 1 p.16 ~ p.21
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Virucidal efficacy of potassium peroxymonosulfate, sodium dichloroisocyanurate, glutaraldehyde, and quaternary ammonium compounds against Newcastle disease virus
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Rhee Chae-Hong
Her Moon
Jeong Woo-Seog
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Abstract
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Vaccinations, surveillance, quarantine, and disposal of the infected poultry are the common strategies for prevention and control of the highly infectious poultry diseases; however, many pathogens still persist and are potential causes threatening the nationwide spread of poultry diseases. A strict biosecurity strategy including disinfection is the key to control the spread of avian pathogens, such as the Newcastle disease virus (NDV). It is important to select and use the disinfectants whose efficacy and the effective concentrations against the specific pathogens are known. Therefore, in the present study, we evaluated the virucidal efficacy of five active substances of commercial disinfectants, namely potassium peroxymonosulfate (PPMS), sodium dichloroisocyanurate (NaDCC), glutaraldehyde (GLT), benzalkonium chloride (BZK), and didecyldimethylammonium chloride (DDAC), that are used against NDV. Further, we validated the efficacy of eight pre-approved disinfectants. The minimal virucidal concentrations of the active substances against NDV were as follows: PPMS, 2.50 g/L; NaDCC, 2.00 g/L; GLT, 0.40 g/L; BZK, 2.00 g/L, and DDAC, 1.00 g/L. Furthermore, all the eight disinfectants were found to be effective against NDV at the recommended concentrations, thereby confirming that the active substances are functional against NDV. This is the first study reporting the virucidal activity of the active substances of commercial disinfectants against NDV, in accordance with the Animal and Plant Quarantine Agency guidelines, in South Korea. The results of the virucidal efficacy testing of chemical disinfectants from this study will help poultry industries implement improved strategies for controlling infection.
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KEYWORD
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Newcastle disease virus, disinfectant, active substances, virucidal efficacy
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