Estádio de desenvolvimento do milho. 3. Avaliação de silagens por intermédio de parâmetros de fermentação ruminal

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dc.contributor.authorMendes Lavezzo, Otávia Elisa Nogueira [UNESP]
dc.contributor.authorLavezzo, Wagner [UNESP]
dc.contributor.authorWechsler, Francisco Stefano [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:19:32Z
dc.date.available2014-05-27T11:19:32Z
dc.date.issued1998-01-01
dc.description.abstractThe objective of this experiment was to analyze the rumen fermentation of silages made from corn harvested at milk stage (MS), milk early dough stage (MEDS), medium dough stage (MDS) and semi-hard dough stage (SHDS). Rumen fluid was collected from sheep by esophageal tube at 0, 1, 3 and 6 hours after feeding. There were no differences among silages for ammonia nitrogen (NH3-N) and methylene blue reduction time (MBRT). Only the MS and SHDS silages differed in rumen pH (6.82 and 6.53, respectively). Differences in total rumen VFA and acetic acid concentrations (mmoles/L) were observed among stages, but not between MS (36.40 and 22.13) and MEDS (42.49 and 25.73), nor between MDS (64.52 and 40.34 respectively) and SHDS (64.09 and 43.61, respectively). The periods of 1 and 3 hours after feeding showed the smallest pH values (6.47 and 6.63), the highest NH3-N concentrations (9.75 and 10.56 mg/dL) and the highest concentrations of total VFA, and acetic and propionic acids (60.33, 37.05 and 16.73; 59.40, 35.28 and 16.84 mmoles/L, respectively). On the whole, the MDS and SHDS silages showed the best rumen fermentation patterns based on pH and total and individual VFA values.en
dc.description.affiliationFaculdade de Med. Vet. e Zootecnia UNESP, Botucatu, SP
dc.description.affiliationUnespFaculdade de Med. Vet. e Zootecnia UNESP, Botucatu, SP
dc.format.extent171-178
dc.identifierhttp://www.revista.sbz.org.br/artigo/index.php?artigo=1830
dc.identifier.citationRevista Brasileira de Zootecnia, v. 27, n. 1, p. 171-178, 1998.
dc.identifier.file2-s2.0-0347204849.pdf
dc.identifier.issn0100-4859
dc.identifier.scopus2-s2.0-0347204849
dc.identifier.urihttp://hdl.handle.net/11449/65378
dc.language.isopor
dc.relation.ispartofRevista Brasileira de Zootecnia
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCorn silage
dc.subjectMaturity stage
dc.subjectRumen fermentation
dc.subjectSheep
dc.titleEstádio de desenvolvimento do milho. 3. Avaliação de silagens por intermédio de parâmetros de fermentação ruminalpt
dc.title.alternativeCorn development. 3. Silage evaluation by rumen fermentation parametersen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/rbz/paboutj.htm#003
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária e Zootecnia, Botucatupt

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Artigos - Melhoramento e Nutrição Animal - FMVZ
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