Post-hatch fasting and infectious bronchitis vaccination affect growth, gastrointestinal development, and morphometric parameters of the small intestine of broiler breeders up to three weeks of age

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dc.contributor.authorFernandez-Alarcon, Miguel Frederico [UNESP]
dc.contributor.authorSouza, Fernando Augusto de [UNESP]
dc.contributor.authorBorges Campos, Daniel Mendes [UNESP]
dc.contributor.authorHada, Fabricio Hirota [UNESP]
dc.contributor.authorLima Nogueira, Wedson Carlos
dc.contributor.authorMacari, Marcos [UNESP]
dc.contributor.authorFurlan, Luiz Roberto [UNESP]
dc.contributor.authorFurlan, Renato Luis [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de Minas Gerais (UFMG)
dc.date.accessioned2019-10-04T12:38:43Z
dc.date.available2019-10-04T12:38:43Z
dc.date.issued2019-01-01
dc.description.abstractThe influence of fasting and vaccination against infectious bronchitis (IB) on growth, gastrointestinal development, and morphometric parameters of the small intestine of newborn broiler breeders was investigated. Weight gain (WG), feed conversion ratio (FCR), gastrointestinal visceral growth, residual yolk sac, and morphometric parameters of the small intestine were measured in chicks aged up to 21 d. We showed that WG was lowest in chicks exposed to longer fasting periods (72 h), although compensatory gains with increasing age were also observed. Unvaccinated chicks performed better at seven days; however, at 21 d of age, a compensatory response led to better FCR in vaccinated birds. Allometric growth of the gastrointestinal tract was affected following longer fasting periods, but this effect occurred predominantly in younger birds (three days). Compared with non-fasted, birds fasted for 72 h had lower villus height and crypt depth along the small intestine at three days and lower villus height in the duodenum and jejunum at seven days. However, at 14 and 21 days of age, the previous changes in intestinal morphology imposed by fasting had been offset. The IB vaccine, applied in the first day of life, does not affect the allometric growth of the gastrointestinal organs, but causes momentary loss in the intestinal morphometry, which contributes to the reduction of WG at seven days. Our results suggest that long fasting periods after hatching (48 and 72 h) should be avoided in broiler breeders due to the resulting delay in gastrointestinal organ development and growth impairment up to 21 d of life.en
dc.description.affiliationUniv Estadual Paulista, Dept Fisiol & Morfol Anim, Jaboticabal, SP, Brazil
dc.description.affiliationUniv Fed Minas Gerais, Inst Ciencias Agr, Montes Claros, MG, Brazil
dc.description.affiliationUniv Estadual Paulista, Ctr Aquicultura, Jaboticabal, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Fisiol & Morfol Anim, Jaboticabal, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Ctr Aquicultura, Jaboticabal, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 2008/52524-5
dc.description.sponsorshipIdFAPESP: 2008/54579-1
dc.format.extent11
dc.identifierhttp://dx.doi.org/10.1590/rbz4820180245
dc.identifier.citationRevista Brasileira De Zootecnia-brazilian Journal Of Animal Science. Vicosa-mg: Revista Brasileira Zootecnia Brazilian Journal Animal Sci, v. 48, 11 p., 2019.
dc.identifier.doi10.1590/rbz4820180245
dc.identifier.fileS1516-35982019000100510.pdf
dc.identifier.issn1806-9290
dc.identifier.lattes5255309004663048
dc.identifier.lattes5713558572926669
dc.identifier.lattes0806409484159642
dc.identifier.orcid0000-0001-9549-0329
dc.identifier.scieloS1516-35982019000100510
dc.identifier.urihttp://hdl.handle.net/11449/185802
dc.identifier.wosWOS:000471302200001
dc.language.isoeng
dc.publisherRevista Brasileira Zootecnia Brazilian Journal Animal Sci
dc.relation.ispartofRevista Brasileira De Zootecnia-brazilian Journal Of Animal Science
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectfood restriction
dc.subjectgastrointestinal tract growth
dc.subjectinfectious bronchitis immunization
dc.subjectintestinal morphometry
dc.titlePost-hatch fasting and infectious bronchitis vaccination affect growth, gastrointestinal development, and morphometric parameters of the small intestine of broiler breeders up to three weeks of ageen
dc.typeArtigo
dcterms.rightsHolderRevista Brasileira Zootecnia Brazilian Journal Animal Sci
unesp.author.lattes5255309004663048[7]
unesp.author.lattes5713558572926669
unesp.author.lattes0806409484159642[8]
unesp.author.orcid0000-0001-9549-0329[8]

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Artigos - Morfologia e Fisiologia Animal - FCAV
Jaboticabal - CAUNESP - Centro de Aquicultura da Unesp