Effect of age on seed digestion in parrots (Amazona aestiva)

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dc.contributor.authorVendramin-Gallo, M.
dc.contributor.authorPessutti, C.
dc.contributor.authorPezzato, Antonio Celso [UNESP]
dc.contributor.authorVicentini-Paulino, MLM
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionParque Zool Municipal Quinzinho Barros
dc.date.accessioned2014-05-20T15:26:50Z
dc.date.available2014-05-20T15:26:50Z
dc.date.issued2001-05-01
dc.description.abstractThe objective of this study was to compare the capacity of adult (more than 3 yr old) and young (less than 1 yr old) true parrots to digest seeds that are normally included in their diet in captivity, particularly soybean, sunflower, and corn. All the seeds were offered for 5 d with an interval of 15 d between different diets. The seeds of soybean and corn were boiled for 15 min and soaked in water at ambient temperature for 12 h before being fed to the birds. There were no differences in the digestibilities of crude protein and fats (ether extract) among animals, but the digestibilities of dry matter and crude fiber by the adult animals were higher than those of the young ones. The digestibility of carbohydrate (nitrogen-free extract) by adult birds was higher only for sunflower seeds. It is concluded that the capacity of parrots to digest fiber may change according to the age of the animal. Since the digestion of fiber depends on the action of microorganisms, these results suggest that the colonization of the gastrointestinal tract is delayed or very slow in young parrots.en
dc.description.affiliationUniv Estadual Paulista, Inst Biociencias, São Paulo, Brazil
dc.description.affiliationParque Zool Municipal Quinzinho Barros, São Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Fac Med Vet & Zootecn, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Biociencias, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Med Vet & Zootecn, São Paulo, Brazil
dc.format.extent398-403
dc.identifierhttp://dx.doi.org/10.1086/320418
dc.identifier.citationPhysiological and Biochemical Zoology. Chicago: Univ Chicago Press, v. 74, n. 3, p. 398-403, 2001.
dc.identifier.doi10.1086/320418
dc.identifier.issn1522-2152
dc.identifier.lattes9229984315982663
dc.identifier.urihttp://hdl.handle.net/11449/36918
dc.identifier.wosWOS:000169015000010
dc.language.isoeng
dc.publisherUniv Chicago Press
dc.relation.ispartofPhysiological and Biochemical Zoology
dc.relation.ispartofjcr2.291
dc.relation.ispartofsjr0,904
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleEffect of age on seed digestion in parrots (Amazona aestiva)en
dc.typeArtigo
dcterms.licensehttp://www.jstor.org/page/info/about/policies/terms.jsp
dcterms.rightsHolderUniv Chicago Press
unesp.author.lattes9229984315982663[3]
unesp.author.orcid0000-0001-9543-5688[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária e Zootecnia, Botucatupt

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