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| Format: | Artículo científico |
| Langue: | en |
| Publié: |
Universidad Autónoma de Baja California
2002
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| Accès en ligne: | https://www.redalyc.org/articulo.oa?id=48028403 |
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Table des matières:
- Incidence of Vibrio during dermal and systemic infections of the spotted sand bass (Paralabrax maculatofasciatus Steindachner: 1868) in captivity Sergio F. Martínez Díaz Benjamín Anguas Vélez Ciencias de la Tierra vibriosis fish disease Vibrio alginolyticus Paralabrax maculatofasciatus The incidence of Vibrio in dermal and internal injuries was evaluated in captive broodstock of spotted sand bass, Paralablaxmaculatofasciatus. During haemorragic infections the associated bacteria were isolated on thiosulfate-citrate-bile-sucrose agar(TCBS) and on Marine Agar 2216. Isolates were presumptively identified and the pathogenicity was experimentally evaluated.Vibrio alginolyticus, V. cholerae, V. fluvialis, V. parahaemolyticus, V. vulnificus and Vibrio sp. were present in external injuries.Vibrio alginolyticus was consistently predominant in dermal injuries. Clinical signs recorded during the vibriosis outbreaksincluded hemorrhages and petechiae on body surfaces, which were most severe at the base of the pelvic fins and in the opercularregion. Hemorrhages and necrosis were observed on the fins. Affected fish became inactive and anorexic. Internally,hemorrhages in the intestine and a pale liver were observed. During experimentally induced infections, the fish inoculated with108 cells of the strain VPb-C7 (identified as V. alginolyticus) developed clinical signs and mortality was recorded 2002 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48028403 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.4 Vol.28