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KMID : 0385019940100010135
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Korean Journal of Laboratory Animal Science
1994 Volume.10 No. 1 p.135 ~ p.149
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Pathological Studies on Lesions Induced by Aeromonas hydrophila in Goldfish, Carassius auratus
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Abstract
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Experimental studies were undertaken to investigate the pathological changes in goldfish, Carassius auratus, caused by Aeromonas hydrophila with the treatment of cortisone acetate or cyclophosphamide.
The results were as follows :
1. Gross findings were observed hemorrhage, sloughing and ulceration of the gill, scale and skin, abdominal distension with ascitic fluids and peritonitis. Also congestion, hemorrhage and swelling in the internal organs were seen.
2. Microscopic findings revealed degeneration, necrosis and infiltration of inflammatory cell in the organs. Later replacement by granulation tissue and formation of granuloma were noticed.
3. Electronic microscopic findings showed prominent losses of the cellular organelles of the parenchyma) cell, granulocyte, lymphocyte and reticuloendothelial cell.
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