Viral and bacterial diseases of Atlantic cod Gadus morhua, their prophylaxis and treatment: a review

This review summarises the state of knowledge of both viral and bacterial diseases of Atlantic cod Gadus morhua, and their diagnosis, prophylaxis and treatment. The most important losses have been at the larval and juvenile stages, and vibriosis has long been the most important bacterial disease in...

Full description

Bibliographic Details
Published in:Diseases of Aquatic Organisms
Main Authors: Samuelsen, Ole Bent, Nerland, Audun H., Jørgensen, Trond, Schrøder, Merete Bjørgan, Svåsand, Terje, Bergh, Øivind
Format: Article in Journal/Newspaper
Language:English
Published: 2006
Subjects:
cod
torsk
fish diseases
fiskesykdommer
disease treatment
sykdomsbehandling
VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Resource biology: 921::Fish health: 923
atlantic cod
Gadus morhua
Online Access:http://hdl.handle.net/11250/108195
https://doi.org/10.3354/dao071239
Description
Summary:This review summarises the state of knowledge of both viral and bacterial diseases of Atlantic cod Gadus morhua, and their diagnosis, prophylaxis and treatment. The most important losses have been at the larval and juvenile stages, and vibriosis has long been the most important bacterial disease in cod, with Listonella (Vibrio) anguillarum dominant among pathogenic isolates. Vaccination of cod against pathogens such as L. anguillarum and Aeromonas salmonicida clearly demonstrates that the cod immune system possesses an effective memory and appropriate mechanisms sufficient for protection, at least against some diseases. Well-known viruses such as the nodavirus that causes viral encephalopathy and retinopathy (VER), infectious pancreatic necrosis virus (IPNV) and viral haemorrhagic septicaemia virus (VHSV) have been isolated from Atlantic cod and can be a potential problem under intensive rearing conditions. No commercial vaccines against nodavirus are currently available, whereas vaccines against IPNV infections based upon inactivated virus as well as IPNV recombinant antigens are available. A number of investigations of the pharmacokinetic properties of antibacterial agents in cod and their efficacy in treating bacterial infections have been reviewed.

Similar Items