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

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

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초록

In this study, nylon mash and silicone tube mainly used as shrimp farm equipment were con-taminated with Enterocytozoon hepatopenaei (EHP) which is the cause of Hepatopancreatic micro-sporidiosis (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.

Abstract

In this study, nylon mash and silicone tube mainly used as shrimp farm equipment were con-taminated with Enterocytozoon hepatopenaei (EHP) which is the cause of Hepatopancreatic micro-sporidiosis (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.

참고문헌 (39)

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