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돌돔에서의 참돔이리도바이러스 동역학 및 비침습적인 방법을 이용한 예찰 방법 연구
지채영(Chae-Yeong Ji),강경식(Gyoungsik Kang),우원식(Won-Sik Woo),김경호(Kyung-Ho Kim),손민영(Min-Young Sohn),손하정(Ha-Jeong Son),권문경(Mun-Gyeong KWON),박찬일(Chan-Il PARK) 한국수산해양교육학회 2024 水産海洋敎育硏究 Vol.36 No.1
Red Sea Bream Iridoviral Disease (RSIVD) is a prevalent infectious disease in South Korea fish farms. Detecting the disease early and preventing its spread through continuous surveillance activities are crucial for disease prevention and management. To achieve this, we utilized a virus concentration method in seawater, providing a non-invasive means to indirectly monitor disease progression. We investigated the viral copy and viral shedding ratio in Oplegnathus fasciatus, known for their high susceptibility to red sea bream iridovirus (RSIV), under flow-through conditions. Horizontal transmission was confirmed in RSIV-infected O. fasciatus and uninfected Lateolabrax japonicus and Acanthopagrus schlegelii. In a flow-through conditions, the mortality rate of O. fasciatus increased with rising water temperature, and it was observed that the maximum viral copy was higher under high-density conditions compared to other density conditions. The study also confirmed horizontal transmission between RSIV-infected O. fasciatus and uninfected L. japonicus and A. schlegelii.