Humoral immune response of broilers fed diets containing yeast extract and prebiotics in the prestarter phase and raised at different temperatures

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dc.contributor.authorSilva, V. K. [UNESP]
dc.contributor.authorda Silva, J. Della Torre [UNESP]
dc.contributor.authorTorres, K. A. A. [UNESP]
dc.contributor.authorde Faria Filho, D. E.
dc.contributor.authorHada, Fabricio Hirota [UNESP]
dc.contributor.authorBarbosa de Moraes, V. M. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de Minas Gerais (UFMG)
dc.date.accessioned2014-05-20T13:18:37Z
dc.date.available2014-05-20T13:18:37Z
dc.date.issued2009-09-01
dc.description.abstractFeedstuffs and additives with immunomodulatory characteristics were investigated to reduce losses caused by disease and to optimize the production potential of the bird. Therefore, the objective of this study was to assess the influence of yeast extract and prebiotics on broilers fed a prestarter diet, and the impact of ambient temperature on maternal and postvaccinal humoral immune responses. The birds were fed diets supplemented with yeast extract, prebiotics, or both in the prestarter phase (1 to 7 d), and from d 8 on, all birds received the same diet. The birds were vaccinated against Newcastle disease virus and infectious bursal disease at 8 and 18 d of age. The addition of yeast extract and prebiotic in the prestarter phase did not change the humoral immune response against Newcastle disease virus or infectious bursal disease throughout the production cycle of the broilers. The higher temperature increased IgG levels, especially maternal antibody titers, despite the immunomodulating effect of heat stress until the second week of life.en
dc.description.affiliationUNESP, Dept Zootecnia, Fac Ciencias Agr & Vet, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationUFMG, Dept Zootecnia, Inst Ciencias Agr, BR-39404406 Montes Claros, MG, Brazil
dc.description.affiliationUnespUNESP, Dept Zootecnia, Fac Ciencias Agr & Vet, BR-14884900 Jaboticabal, SP, Brazil
dc.description.sponsorshipAlltech do Brasil Agroindustrial Ltda
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent530-540
dc.identifierhttp://dx.doi.org/10.3382/japr.2009-00004
dc.identifier.citationJournal of Applied Poultry Research. Savoy: Poultry Science Assoc Inc, v. 18, n. 3, p. 530-540, 2009.
dc.identifier.doi10.3382/japr.2009-00004
dc.identifier.issn1056-6171
dc.identifier.urihttp://hdl.handle.net/11449/4631
dc.identifier.wosWOS:000269483500018
dc.language.isoeng
dc.publisherPoultry Science Assoc Inc
dc.relation.ispartofJournal of Applied Poultry Research
dc.relation.ispartofjcr1.064
dc.relation.ispartofsjr0,585
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectHeat stressen
dc.subjectinfectious bursal diseaseen
dc.subjectNewcastle diseaseen
dc.subjectMannan oligosaccharideen
dc.subjectSaccharomyces cerevisiaeen
dc.titleHumoral immune response of broilers fed diets containing yeast extract and prebiotics in the prestarter phase and raised at different temperaturesen
dc.typeArtigo
dcterms.licensehttp://japr.fass.org/site/misc/Rights_Permissions.xhtml
dcterms.rightsHolderPoultry Science Assoc Inc
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt
unesp.departmentZootecnia - FCAVpt

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