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dc.contributor.author
Keller, L. A. M.
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Gonzalez Pereyra, Maria Laura
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Keller, K. M.
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Alonso, Veronica Andrea
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Oliveira, A. A.
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Almeida, T. X.
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Barbosa, T. S.
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Nunes, L. M. T.
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Cavaglieri, Lilia Reneé
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Rosa, C. A. R.
dc.date.available
2019-08-22T18:24:21Z
dc.date.issued
2013-01
dc.identifier.citation
Keller, L. A. M.; Gonzalez Pereyra, Maria Laura; Keller, K. M.; Alonso, Veronica Andrea; Oliveira, A. A.; et al.; Fungal and mycotoxins contamination in corn silage: Monitoring risk before and after fermentation; Pergamon-Elsevier Science Ltd; Journal of Stored Products Research; 52; 1-2013; 42-47
dc.identifier.issn
0022-474X
dc.identifier.uri
http://hdl.handle.net/11336/82002
dc.description.abstract
Silage is a widespread practice to preserve forage. Poor storage conditions can lead to mold contamination and mycotoxin production. The aim of this study was to establish the occurrence of toxigenic fungal species and to determine aflatoxins (AFs), ochratoxin A (OTA), fumonisin B1 (FB1) and deoxinivalenol (DON) in corn silage intended for bovines before and after fermentation in farms located in São Paulo and Rio de Janeiro States, Brazil. Fungal counts were done by surface-spread method. Toxigenic ability of isolates was evaluated in vitro. AFs natural contamination was determined by TLC and HPLC. Total fungal counts were generally high. Aspergillus flavus, Penicillium citrinum, and Fusarium verticillioides were the prevalent species. Toxigenic strains were isolated. Aflatoxin levels differed (P < 0.0001) from 2 to 45 μg g-1 and from 2 to 100 μg g-1 in pre and post-fermentation samples, respectively. Ochratoxin A, FB1 and DON levels found in pre-fermentation samples were higher than in post-fermentation (P < 0.0001). Mycotoxins and toxigenic fungi were present before and after fermentation in corn silage intended for bovines in Brazil. Aflatoxin B1 (AFB1) increased during storage whereas OTA, FB1 and DON decreased. Determination of mycotoxin levels and their occurrence in corn silage are important to provide information so that the assessments of risk for animal feed and livestock environment could be made.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Aflatoxin B1
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Corn Silage
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Deoxinivalenol
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Fumonisin B1
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Fungi
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Ochratoxin A
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Micología
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Fungal and mycotoxins contamination in corn silage: Monitoring risk before and after fermentation
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-07-16T13:33:45Z
dc.journal.volume
52
dc.journal.pagination
42-47
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Keller, L. A. M.. Conselho Nacional de Desenvolvimiento Científico y Tecnológico; Brasil. Universidade Federal Rural Do Rio de Janeiro; Brasil
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Fil: Gonzalez Pereyra, Maria Laura. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina
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Fil: Keller, K. M.. Universidade Federal Rural Do Rio de Janeiro; Brasil. Conselho Nacional de Desenvolvimiento Científico y Tecnológico; Brasil
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Fil: Alonso, Veronica Andrea. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina
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Fil: Oliveira, A. A.. Universidade Federal Rural Do Rio de Janeiro; Brasil. Conselho Nacional de Desenvolvimiento Científico y Tecnológico; Brasil
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Fil: Almeida, T. X.. Conselho Nacional de Desenvolvimiento Científico y Tecnológico; Brasil. Universidade Federal Rural Do Rio de Janeiro;
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Fil: Barbosa, T. S.. Universidade Federal Rural Do Rio de Janeiro; Brasil
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Fil: Nunes, L. M. T.. Universidade Federal Rural Do Rio de Janeiro; Brasil
dc.description.fil
Fil: Cavaglieri, Lilia Reneé. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina
dc.description.fil
Fil: Rosa, C. A. R.. Conselho Nacional de Desenvolvimiento Científico y Tecnológico; Brasil. Universidade Federal Rural Do Rio de Janeiro; Brasil
dc.journal.title
Journal of Stored Products Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0022474X12000732
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jspr.2012.09.001
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