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http://dx.doi.org/10.7847/jfp.2020.33.2.139

Disinfectant effect of monopersulfate (MPS) compound to white spot syndrome virus (WSSV) of shrimp  

Gunasekara, CWR (Biosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University)
Kim, Seok-Ryel (West Sea Fisheries Research Institute, National Institute of Fisheries Science)
Rajapaksha, LGTG (Biosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University)
Wimalasena, SHMP (Biosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University)
Pathirana, HNKS (Biosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University)
Shin, Gee-Wook (Biosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University)
Publication Information
Journal of fish pathology / v.33, no.2, 2020 , pp. 139-143 More about this Journal
Abstract
This study investigated the disinfection effect of monopersulfate (MPS) compound against white spot syndrome virus (WSSV) by bioassay using kuruma shrimp (Marsupenaeus japonicas). A WSSV stock was prepared with muscle homogenate from WSSV-infected whiteleg shrimp (Penaeus vannamei) and its lethal dose 50% endpoint (LD50) and infectious dose 50% endpoint (SID50) were respectively determined as 10-5.63 and 10-6.79 in bioassay using kuruma shrimp, followed by PCR assays. The disinfective effect of MPS compound (1.2 ppm, 2.4 ppm, 4.8 ppm) was performed by bioassay using about 10-fold higher dilution (10-4) of WSSV homogenate. The compound resulted in WSSV inactivation by a concentration-dependent manner. In addition, 4.8 ppm of MPS completely prohibited WSSV infection. To our knowledge, this study is the first report about the usefulness of MPS as a disinfectant to WSSV.
Keywords
Shrimp; White spot syndrome virus (WSSV); Monopersulfate (MPS) compound; Disinfectant;
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