Effects of glutamine on performance and intestinal mucosa morphometry of broiler chickens vaccinated against coccidiosis

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dc.contributor.authorLuquetti, Brenda Carla [UNESP]
dc.contributor.authorFernandez Alarcon, Miguel Frederico [UNESP]
dc.contributor.authorLunedo, Raquel [UNESP]
dc.contributor.authorBorges Campos, Daniel Mendes [UNESP]
dc.contributor.authorFurlan, Renato Luis [UNESP]
dc.contributor.authorMacari, Marcos [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-11-26T16:48:28Z
dc.date.available2018-11-26T16:48:28Z
dc.date.issued2016-07-01
dc.description.abstractThis study aimed to assess the effects of glutamine as feed additive on performance and intestinal mucosa morphometry of broiler chickens vaccinated against coccidiosis. A total of 400 day-old male chicks were randomly assigned to four treatments (NVNG - no vaccination, no glutamine supplementation; NVG - no vaccination, glutamine supplementation (10 g kg(-1)); VNG - vaccination, no glutamine supplementation; VG - vaccination, glutamine supplementation) replicated four times with 25 birds per replicate. A commercial sprayed-on vaccine against coccidiosis containing Eimeria acervulina, E. maxima, E. mivati, and E. tenella was administered at the hatchery. Broiler performance was evaluated from 1-28 days, and morphometric parameters were analyzed at 14, 21, and 28 days of age. Body weight gain and feed intake were negatively affected by vaccination, but not by glutamine. Vaccination increased crypt depth in the duodenum and jejunum at 21 and 28 days. In conclusion, this study showed that glutamine was not able to increase weight gain of broiler chickens, irrespective of whether the animals were vaccinated or not against coccidiosis. Glutamine supplementation was able to improve feed conversion in vaccinated birds suggesting trophic effect on intestinal epithelium improving.en
dc.description.affiliationSao Paulo State Univ, FCAV, Dept Anim Morphol & Physiol, Via Acesso Prof PD Castellane S-N, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationUnespSao Paulo State Univ, FCAV, Dept Anim Morphol & Physiol, Via Acesso Prof PD Castellane S-N, BR-14884900 Jaboticabal, SP, Brazil
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent322-327
dc.identifierhttp://dx.doi.org/10.1590/0103-9016-2015-0114
dc.identifier.citationScientia Agricola. Cerquera Cesar: Univ Sao Paolo, v. 73, n. 4, p. 322-327, 2016.
dc.identifier.doi10.1590/0103-9016-2015-0114
dc.identifier.fileS0103-90162016000400322.pdf
dc.identifier.issn0103-9016
dc.identifier.lattes5713558572926669
dc.identifier.lattes0806409484159642
dc.identifier.orcid0000-0001-9549-0329
dc.identifier.scieloS0103-90162016000400322
dc.identifier.urihttp://hdl.handle.net/11449/161746
dc.identifier.wosWOS:000380141600003
dc.language.isoeng
dc.publisherUniv Sao Paolo
dc.relation.ispartofScientia Agricola
dc.relation.ispartofsjr0,578
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectanticoccidial vaccines
dc.subjectintestinal ephitelium
dc.subjectgut morphometry
dc.subjectglutamine supplementation
dc.subjectsmall intestine
dc.titleEffects of glutamine on performance and intestinal mucosa morphometry of broiler chickens vaccinated against coccidiosisen
dc.typeArtigo
dcterms.rightsHolderUniv Sao Paolo
unesp.advisor.lattes5713558572926669
unesp.author.lattes0806409484159642[5]
unesp.author.orcid0000-0002-6850-7145[6]
unesp.author.orcid0000-0001-9549-0329[5]

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Artigos - Morfologia e Fisiologia Animal - FCAV