Outbreaks of an iridovirus in marbled sleepy goby, Oxyeleotris marmoratus (Bleeker), cultured in southern China

Outbreaks of an iridovirus in marbled sleepy goby, Oxyeleotris marmoratus (Bleeker), cultured in... Marbled sleepy goby, Oxyeleotris marmoratus (Bleeker), also named sand goby is a freshwater fish mainly cultured for food in tropical and semitropical countries such as Thailand, Vietnam and Cambodia and exported to Japan, Korea, Singapore, Malaysia and China. Given its high commercial value, culture of marbled sleepy goby has increased in southern China. From August to October 2009, high mortalities of about 85% of cultured marbled sleepy goby were reported in many farms in Fushan City, Guangdong Province. Disease mainly occurred in fish of 15–18 cm body length at water temperatures from 26 to 30 °C. The diseased gobies showed abdominal distension, lethargy and unusual swimming behaviour such as floating on the pond surface. Post‐mortem examination revealed that liver, spleen, kidney and intestine were swollen. Liver, spleen, kidney, intestine, gill and heart of several diseased marbled sleepy gobies were fixed in Bouin’s fixative and processed for paraffin sections. The sections were stained with haematoxylin and eosin (H&E). All the samples exhibited similar histopathological changes. Many swollen cells were found in the spleen with clear cytoplasm ( Fig. 1a ). Large numbers of lymphocytes had infiltrated the kidney, and basement membrane detachment and lysis of epithelial cells of renal http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Fish Diseases Wiley

Outbreaks of an iridovirus in marbled sleepy goby, Oxyeleotris marmoratus (Bleeker), cultured in southern China

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Publisher
Wiley
Copyright
© 2011 Blackwell Publishing Ltd
ISSN
0140-7775
eISSN
1365-2761
D.O.I.
10.1111/j.1365-2761.2011.01244.x
Publisher site
See Article on Publisher Site

Abstract

Marbled sleepy goby, Oxyeleotris marmoratus (Bleeker), also named sand goby is a freshwater fish mainly cultured for food in tropical and semitropical countries such as Thailand, Vietnam and Cambodia and exported to Japan, Korea, Singapore, Malaysia and China. Given its high commercial value, culture of marbled sleepy goby has increased in southern China. From August to October 2009, high mortalities of about 85% of cultured marbled sleepy goby were reported in many farms in Fushan City, Guangdong Province. Disease mainly occurred in fish of 15–18 cm body length at water temperatures from 26 to 30 °C. The diseased gobies showed abdominal distension, lethargy and unusual swimming behaviour such as floating on the pond surface. Post‐mortem examination revealed that liver, spleen, kidney and intestine were swollen. Liver, spleen, kidney, intestine, gill and heart of several diseased marbled sleepy gobies were fixed in Bouin’s fixative and processed for paraffin sections. The sections were stained with haematoxylin and eosin (H&E). All the samples exhibited similar histopathological changes. Many swollen cells were found in the spleen with clear cytoplasm ( Fig. 1a ). Large numbers of lymphocytes had infiltrated the kidney, and basement membrane detachment and lysis of epithelial cells of renal

Journal

Journal of Fish DiseasesWiley

Published: May 1, 2011

References

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