alexa Bacterial vaccines for fish--an update of the current situation worldwide.
Agri and Aquaculture

Agri and Aquaculture

Journal of Aquaculture Research & Development

Author(s): Hstein T, Gudding R, Evensen O

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Abstract During the last few years, the use of vaccines for disease prevention in aquaculture has expanded both with regard to the number of fish species and number of microbial diseases. According to the responses to a questionnaire received from 41 countries, vaccination is used in the commercial aquaculture of species like Atlantic salmon (Salmo salar), rainbow trout (Oncorhynchus mykiss), sea bass (Dicentrarchus labrax), sea bream (Sparus aurata), barramundi (Lates calcarifer), tilapia (Tilapia spp), turbot (Scophthalmus maximus L.), yellowtail (Seriola quinqueradiata), purplish and gold-striped amberjack (Seriola dumereli), striped jack (Pseudocaranx dentex) and channel catfish (Ictalurus punctatus). The range of bacterial infections for which vaccines are commercially available now comprises classical vibriosis (Listonella anguillarum, Vibrio ordalii), furunculosis (Aeromonas salmonicida subsp. salmonicida), cold-water vibriosis (Vibrio salmonicida), yersiniosis (Yersinia ruckeri), pasteurellosis (Photobacterium damselae supsp. piscicida), edwardsiellosis (Edwardsiella ictaluri), winter ulcer (Moritella viscosa), and streptococcosis/lactococcosis (Streptococcus iniae, Lactococcus garviae). Furthermore, experimental vaccines are used against diseases such as infection with Vibrio harveyi and Photobacterium damsela subsp. damsela in barramundi, piscirickettsiosis and bacterial kidney disease in salmonids, as well as infection with Flexibacter maritimus (now: Tenacibaculum maritimum) in turbot. There was good agreement between the information received from different sources in the same country. Most vaccines are licensed products, but some non-licensed vaccines are also used in commercial fish farms. Most bacterial vaccines are inactivated products and recombinant vaccine technology has so far been used to a very limited extent. Salmonid fish are usually immunised with multivalent vaccines by intraperitoneal injection. In marine fish species vaccination is generally performed by immersion, but use of injection vaccination is increasing, particularly in the Mediterranean region. Only limited use of orally administered fish vaccines is reported. In general, the effect of vaccination against bacterial infections is good. The best protection is obtained with injectable, adjuvanted vaccines. However, injection-site adverse reactions often occur when such products are used.
This article was published in Dev Biol (Basel) and referenced in Journal of Aquaculture Research & Development

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