インドネシアの魚類とアコヤガイ養殖場における病魚と健康魚からのウイルス検出 : ウイルス性神経壊死症ウイルス(VNNV)とマリンビルナウイルス(MABV)の重複感染

概要

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In the south Sumatra region of Indonesia, tiger grouper, Epinephelus fuscoguttatus, and humpbuck grouper, Cromileptes altivelis, are commercially important fish species. Recently, however, mass mortalities of the two species have occurred in the region and the cause of these mortalities has not been clarified. We surveyed the distribution of fish viruses including viral nervous necrosis virus (VNNV), marine birnavirus (MABV) and red seabream iridovirus (RSIV) in the two grouper species and MABV in silver the lip oyster, Pinctada maxima, by PCR. VNNV was detected from both healthy and diseased groupers whereas MABV was only detected in diseased groupers, suggesting that the mass mortalities of the two grouper species were caused by co-infection of VNNV and MABV. PCR product of RSIV was not observed in any fish samples. In addition, MABV was not detected in silver lip oysters from both healthy and those exhibiting poor growth.
愛媛大学の論文