A novel 'skinny pot-belly' disease in Asian seabass fry, Lates calcarifer (Bloch)

Gibson-Kueh, S., Crumlish, M., and Ferguson, H. W. (2004) A novel 'skinny pot-belly' disease in Asian seabass fry, Lates calcarifer (Bloch). Journal of Fish Diseases, 27 (12). pp. 731-735.

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Abstract

In Singapore, viral nervous necrosis (VNN) is considered to be the most serious disease of farmed Asian seabass fry, Lates calcarifer (Bloch) (barramundi), causing mortalities of 80–100% and heavy economic loss (Lim, Chong & Kueh 1997; Kasornchandra 2002). When some ‘skinny pot-bellied’ seabass fry were presented to the Aquatic Animal Health Laboratory early in 2004, with a history that the disease was usually first observed at around 3 weeks of age, VNN was the prime suspect. Instead of central nervous lesions, however (Munday, Langdon, Hyatt & Humphrey 1992), histopathological examination showed the presence of a severe necrotizing and ulcerative enteritis, progressing to perforation and peritonitis, with disseminated multifocal granulomas. Associated with these lesions were numerous bacterial colonies. This preliminary report presents a description of this novel systemic bacterial disease of young seabass, typified by emaciation and abdominal distension, and associated with high mortality. Immunohistochemistry suggests an association with Edwardsiella ictaluri.

Item ID: 59126
Item Type: Article (Short Note)
ISSN: 1365-2761
Keywords: barramundi, Edwardsiella, enteritis, pathology, perforation, seabass
Copyright Information: © 2004 Blackwell Publishing Ltd
Date Deposited: 26 Nov 2019 06:35
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070709 Veterinary Pathology @ 50%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070703 Veterinary Diagnosis and Diagnostics @ 25%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070707 Veterinary Microbiology (excl Virology) @ 25%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences @ 100%
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