양식산 돌돔의 저수온성 부력이상증후군 증례
A Case report of buoyancy dysfunction syndrome in cultivated rock bream (Oplegnathus fasciatus)
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초록
In February 2024, rock breams in Tongyeong, Gyeongsangnam-do, lost their buoyancy and equili- brium while swimming on the surface of water at a temperature around 12℃. Abdominal distention and expanded swim bladder were observed in those exhibiting clinical symptoms. Histopathological examination under optical microscope revealed intracytoplasmic eosinophilic vesicles and enlarged nucleus in the epithelial cells of the swim bladder's gas gland. Disseminated icosahedral virus particles, measuring around 120–135nm in diameter, were detected by transmission electron microscope in the epithelial cells of gas gland and the endothelial cells of swim bladder's rete mirabile. This case is the first report of viral swim bladder dysfunction in cold water.
Abstract
In February 2024, rock breams in Tongyeong, Gyeongsangnam-do, lost their buoyancy and equili- brium while swimming on the surface of water at a temperature around 12℃. Abdominal distention and expanded swim bladder were observed in those exhibiting clinical symptoms. Histopathological examination under optical microscope revealed intracytoplasmic eosinophilic vesicles and enlarged nucleus in the epithelial cells of the swim bladder's gas gland. Disseminated icosahedral virus particles, measuring around 120–135nm in diameter, were detected by transmission electron microscope in the epithelial cells of gas gland and the endothelial cells of swim bladder's rete mirabile. This case is the first report of viral swim bladder dysfunction in cold water.
참고문헌 (21)
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