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Journal of Veterinary Science & Medical Diagnosis ISSN: 2325-9590

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Research Article, J Vet Sci Med Diagn Vol: 3 Issue: 2

Hepatic Steatosis in Cage-Reared Young Cobia, Rachycentron canadum (Linnaeus, 1766), in Brazil

Shimada MT1, Claudiano GS2, Engracia Filho JR2,4, Yunis J1, Moraes FR2, Moreira RG3 and Moraes JRE1,2*
1Aquaculture Center of Unesp (Caunesp), São Paulo State University (UNESP), SP 14884-900, Brazil
2Department of Veterinary Pathology, School of Agrarian and Veterinary Sciences, São Paulo State University (UNESP), SP 14884-900, Brazil
3Department of Physiology, Institute of Biosciences, University of São Paulo, SP, Brazil
4School of Agricultural Sciences and Veterinary Medicine, Pontifical Catholic University of Paraná, Curitiba/PR, Brazil
Corresponding author : Moraes JRE
Department of Veterinary Pathology, School of Agrarian and Veterinary Sciences, São Paulo State University (UNESP), Via Prof. Paulo Donato Castellane, km 05, Jaboticabal, SP 14884-900, Brazil
Tel: +55 (016) 997852072
E-mail: [email protected]
Received: February 08, 2014 Accepted: May 05, 2014 Published: May 09, 2014
Citation: Shimada MT, Claudiano GS, Engracia Filho JR, Yunis J, Moraes FR, et al. (2014) Hepatic Steatosis in Cage-Reared Young Cobia, Rachycentron canadum (Linnaeus, 1766), in Brazil. J Vet Sci Med Diagn 3:2. doi:10.4172/2325-9590.1000137

Abstract

Hepatic Steatosis in Cage-Reared Young Cobia, Rachycentron canadum (Linnaeus, 1766), in Brazil

This article discusses the pathophysiology of hepatic steatosis in cage-reared cobias from two fish farms with low growth rate record and predisposition to opportunistic diseases. We performed necropsies of cobias with a history of slow growth, high mortality, lethargy, fin ulceration, skin depigmentation, physical deformities, and certain external parasites. Macroscopically, liver volume was increased with pale, softened and friable consistency.

Keywords: Teleostei; Saltwater fish; Fatty acids; Liver; Histology

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