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dc.contributor.authorSANTOS, A. P. M. dos
dc.contributor.authorSANTOS, E. M.
dc.contributor.authorOLIVEIRA, J. S. de
dc.contributor.authorCARVALHO, G. G. P. de
dc.contributor.authorARAUJO, G. G. L. de
dc.contributor.authorZANINE, A. M.
dc.contributor.authorPINHO, R. M. A.
dc.contributor.authorFERREIRA, D. de J.
dc.contributor.authorMACEDO, A. J. da S.
dc.contributor.authorALVES, J. P.
dc.date.accessioned2022-10-10T13:08:34Z-
dc.date.available2022-10-10T13:08:34Z-
dc.date.created2022-10-10
dc.date.issued2021
dc.identifier.citationRevista de la Facultad de Ciencias Agrarias UNCuyo, v. 53, n. 1, p. 309-319, 2021.
dc.identifier.issn1853-8665
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1147230-
dc.descriptionWe evaluated the effects of urea addition on gas and effluent losses, fermentation profile, microbial populations, aerobic stability and chemical composition of corn silages. A completely randomised design with five levels of urea (0, 0.5, 1.0, 1.5, and 2.0% based on dry matter) and five replicates was used. A decreasing linear effect of urea levels on effluent losses in corn silages was observed. In parallel, an increasing linear effect of urea levels on pH, increasing from 3.49 to 4.12 in silages without urea in relation to silages with the maximum urea level, was also observed. Urea addition improved the aerobic stability of the silages, with 62 h for the silages without urea and from 90 to >96 h for the silages with urea. Based on the results of the principal components, two groups (I and II) could be distinguished. The most discriminating variables in group I were dry matter (-0.9), pH (-1.2) and lactic acid bacteria (-0.9), while in group II, effluent losses (1.0), ethanol (1.0), acetic acid (0.8) and gas losses (0.8) were most important. The use of urea at inclusion levels of around 2% in corn silage reduced gas losses, improved the nutritive value and promote the aerobic stability of silages.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectBactérias lácticas
dc.subjectAditivos para silagem
dc.subjectLeveduras
dc.subjectComposição química da silagem de milho
dc.titleEffect of urea on gas and effluent losses, microbial populations, aerobic stability and chemical composition of corn(Zea mays L.) silage.
dc.typeArtigo de periódico
dc.subject.thesagroUréia
dc.subject.thesagroSilagem
dc.subject.thesagroÁcido Lático
dc.subject.thesagroZea Mays
dc.subject.thesagroMilho
dc.subject.nalthesaurusLactic acid
dc.subject.nalthesaurusLactic acid bacteria
dc.subject.nalthesaurusSilage additives
dc.subject.nalthesaurusYeasts
dc.subject.nalthesaurusCorn
dc.subject.nalthesaurusSilage
dc.subject.nalthesaurusSilage effluent
riaa.ainfo.id1147230
riaa.ainfo.lastupdate2022-10-10
dc.contributor.institutionANA PAULA MAIA DOS SANTOS, UFPB; EDSON MAURO SANTOS, UFPB; JULIANA SILVA DE OLIVEIRA, UFPB; GLEIDSON GIORDANO PINTO DE CARVALHO, UFBA; GHERMAN GARCIA LEAL DE ARAUJO, CPATSA; ANDERSON MOURA ZANINE, UFMA; RICARDO MARTINS ARAÚJO PINHO, UFMA; DANIELE DE JESUS FERREIRA, UFMA; ALBERTO JEFFERSON DA SILVA MACEDO, UFPB; JOYCE PEREIRA ALVES, UFPB.
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