Effect of dietary inclusion of mannan oligosaccharides on the efficacy of a novel hydrogen peroxide-inactivated vaccine against Streptococcus agalactiae in Nile tilapia

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidad Cientifica del Sur-
Autor(es): dc.contributorSchool of Agricultural and Veterinary Sciences (FCAV)-
Autor(es): dc.creatorRamos-Espinoza, Fernando Carlos-
Autor(es): dc.creatorCueva-Quiroz, Victor Alexander-
Autor(es): dc.creatorAlvarez-Rubio, Norquis Caled-
Autor(es): dc.creatorPaganoti de Mello, Nicoli-
Autor(es): dc.creatorde Moraes, Julieta Rodini Engrácia-
Data de aceite: dc.date.accessioned2025-08-21T23:45:20Z-
Data de disponibilização: dc.date.available2025-08-21T23:45:20Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-01-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1111/jwas.13029-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/297516-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/297516-
Descrição: dc.descriptionMannan oligosaccharides (MOS) have shown to stimulate immune response in different fish species, but the results may appear contradictory and have not been tested in conjunction with vaccination. We hypothesized that dietary MOS supplementation could enhance efficacy and immune responses after immunization with a novel hydrogen peroxide-inactivated vaccine. Nile Tilapia, Oreochromis niloticus, fingerlings were distributed into four groups (supplemented or not, vaccinated or not) and were used to determine immune and hematological parameters and somatic indexes. For the bacterial challenge and vaccine efficacy test, fish were assigned to five experimental groups. Twenty-eight days after the feeding trial and vaccination, the groups were challenged intraperitoneally and monitored for 21 days. The relative percent survival of the groups basal diet-vaccinated and MOS diet-vaccinated were 98.1% and 100.0%, respectively. The dietary inclusion of MOS after vaccination for 28 days had no influence on vaccine efficacy, which could be explained because of the high efficacy of the vaccine itself. Therefore, we suggest that the contribution of MOS supplementation to immune responses after vaccination in fish would be greater for vaccines with lower efficacy, or when tested for heterologous challenges or for crossed protection.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionAquaculture Center of Unesp (Caunesp) Sao Paulo State University (Unesp), São Paulo-
Descrição: dc.descriptionDepartamento de Biología Marina e Ingeniería Acuícola Universidad Cientifica del Sur-
Descrição: dc.descriptionDepartment of Veterinary Pathology School of Agricultural and Veterinary Sciences (FCAV), São Paulo-
Descrição: dc.descriptionAquaculture Center of Unesp (Caunesp) Sao Paulo State University (Unesp), São Paulo-
Descrição: dc.descriptionCAPES: 001-
Formato: dc.format257-272-
Idioma: dc.languageen-
Relação: dc.relationJournal of the World Aquaculture Society-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectefficacy-
Palavras-chave: dc.subjectimmune response-
Palavras-chave: dc.subjectimmunostimulants-
Palavras-chave: dc.subjectinactivated vaccines-
Palavras-chave: dc.subjectvaccination-
Título: dc.titleEffect of dietary inclusion of mannan oligosaccharides on the efficacy of a novel hydrogen peroxide-inactivated vaccine against Streptococcus agalactiae in Nile tilapia-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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