Peer-reviewed veterinary case report
Isolation and characterization of strains of Flavobacterium columnare from Brazil.
- Journal:
- Journal of fish diseases
- Year:
- 2005
- Authors:
- Figueiredo, H C P et al.
- Affiliation:
- Department of Veterinary Medicine · Brazil
Abstract
Flavobacterium columnare is an important pathogen of freshwater fish, implicated in skin and gill disease, often causing high mortality. An outbreak of skin disease in fingerling and adult Nile tilapia, Oreochromis niloticus (L.), cultivated in a recirculation system, was investigated. Four strains were isolated and characterized by biochemical reactions, enzyme production, fatty acid profile and analysis of the 16S-23S rDNA intergenic spacer region. All strains were identified as F. columnare. Experimental infection assays with one of these strains (BZ-5-02) were conducted and pathogenicity (by intramuscular route) was demonstrated in Nile tilapia and channel catfish, Ictalurus punctatus (Rafinesque). This is the first report of characterization of Brazilian strains of F. columnare.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/15813861/