Lactococcus garvieae outbreaks in Brazilian farms Lactococcosis in Pseudoplatystoma sp. - development of an autogenous vaccine as a control strategy

© 2016 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 40(2017), 2 vom: 26. Feb., Seite 263-272
1. Verfasser: Fukushima, H C S (VerfasserIn)
Weitere Verfasser: Leal, C A G, Cavalcante, R B, Figueiredo, H C P, Arijo, S, Moriñigo, M A, Ishikawa, M, Borra, R C, Ranzani-Paiva, M J T
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Lactococcus garvieae Koch's postulate aquaculture immunology molecular diagnosis Autovaccines Bacterial Vaccines
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520 |a This study evaluated the control of streptococcosis outbreaks in Brazil, isolated from diseased sorubim and identified as Lactococcus garvieae by genetic sequencing. This report determined the potential for lactococcosis control in sorubim Pseudoplatystoma sp. with two vaccines: an aqueous-based, whole-cell inactivated vaccine (bacterin) and an oil-adjuvanted bacterin. Their efficacy was evaluated at 30 days post-vaccination (d.p.v.) by challenge with L. garvieae, and the antibody production response at 15, 30 and 60 d.p.v. and the non-specific immune response were compared amongst treatments. High protection levels (P < 0.05) were achieved with the oil-adjuvanted vaccine with a relative percentage survival value of 81.7% at 30 d.p.v. Additionally, the oil-adjuvanted vaccine increased the immunogenicity of the bacterin as indicated by greater agglutination antibody titres from 15 until 60 d.p.v. This is the first report of a positive effect of vaccine administration on the specific immunity of sorubim, and the study showed that a specific antibody plays an important role in sorubim defence against lactococcosis because the innate immune responses were similar in all of the studied animals. These results demonstrated that oil-adjuvanted vaccine can be an effective alternative for the protection of sorubim from L. garvieae disease 
650 4 |a Journal Article 
650 4 |a Lactococcus garvieae 
650 4 |a Koch's postulate 
650 4 |a aquaculture 
650 4 |a immunology 
650 4 |a molecular diagnosis 
650 7 |a Autovaccines  |2 NLM 
650 7 |a Bacterial Vaccines  |2 NLM 
700 1 |a Leal, C A G  |e verfasserin  |4 aut 
700 1 |a Cavalcante, R B  |e verfasserin  |4 aut 
700 1 |a Figueiredo, H C P  |e verfasserin  |4 aut 
700 1 |a Arijo, S  |e verfasserin  |4 aut 
700 1 |a Moriñigo, M A  |e verfasserin  |4 aut 
700 1 |a Ishikawa, M  |e verfasserin  |4 aut 
700 1 |a Borra, R C  |e verfasserin  |4 aut 
700 1 |a Ranzani-Paiva, M J T  |e verfasserin  |4 aut 
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773 1 8 |g volume:40  |g year:2017  |g number:2  |g day:26  |g month:02  |g pages:263-272 
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