European sea bass (Dicentrarchus labrax), commonly known as sea bass, is one of the most important seawater farmed fish species in the Mediterranean. The seabass industry has grown strongly in the last decade with a yearly production of approximately 200 000 tons (2016) (FAO).
Rapid diagnosis of disease outbreaks is essential for proper handling and control. The diagnosis may be performed by pathological findings and bacteriological examinations. PCR is a good alternative for verification of the presence of pathogen because the method is very sensitive and quick to perform. Serological methods, as agglutination test, may also be used for pasteurellosis diagnosis.
The administration of both immersion and injection vaccination as preventive measures are the optimal options to control the disease in juveniles and larger fish at the sea.
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