Journal of fish pathology (한국어병학회지)

The Korean Society of Fish Pathology (한국어병학회)
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The disinfection effect of UV-C and calcium hypochlorite to shrimp farm instruments contaminated with EHP (Enterocytozoon hepatopenaei)

EHP (Enterocytozoon hepatopenaei)에 오염된 사육기구에 대한 UV-C와 차아염소산칼슘의 소독 효과

  • Ji Min Ryu (Department of Aquatic Life Medicine, ONSE College, Kunsan National University) ;
  • Eul Bit Noh (Department of Aquatic Life Medicine, ONSE College, Kunsan National University) ;
  • Bo Seong Kim (Department of Aquatic Life Medicine, ONSE College, Kunsan National University)
  • 류지민 (국립군산대학교 수산생명의학과) ;
  • 노을빛 (국립군산대학교 수산생명의학과) ;
  • 김보성 (국립군산대학교 수산생명의학과)
  • Received : 2024.05.29
  • Accepted : 2024.06.10
  • Published : 2024.06.30
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Abstract

In this study, nylon mash and silicone tube mainly used as shrimp farm equipment were contaminated with Enterocytozoon hepatopenaei (EHP) which is the cause of Hepatopancreatic microsporidiosis (HPM), and were treated with calcium hypochlorite or UV-C disinfection methods for EHP eradication. As a result, similar with the control group (not disinfected), EHP was detected on the nested PCR until the 10 days in the UV-C single treated group. On the other hand, EHP was not detected from 7 days in calcium hypochlorite single treated group (total concentration 200 ppm as available chlorine), and combination of calcium hypochlorite and UV-C treated group revealed no detection of EHP from 3 days. It is appropriate that treated with UV-C and calcium hypochlorite for 3 days or single treated with calcium hypochlorite for 7 days to eradicate EHP on contaminated instrument used in shrimp farms. In contrast, disinfection effect of only using UV-C is very low.

Keywords

Acknowledgement

이 논문은 국립군산대학교 수산과학연구소 학술연구비 지원에 의하여 연구되었음.

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