Aspergillus spp. isolated from the bovine gastrointestinal tract improve organic acid profiles in Urochloa decumbens fermentation

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dc.creatorFlávia Oliveira Abrão
dc.creatorEduardo Robson Duarte
dc.creatorMoisés Sena Pessoa
dc.creatorVera Lúcia dos Santos
dc.creatorDaniel Bonoto Gonçalves
dc.creatorSwiany Silveira Lima
dc.creatorEloísa de Oliveira Simões Saliba
dc.creatorNorberto Mário Rodriguez
dc.date.accessioned2023-10-09T11:41:09Z
dc.date.accessioned2025-09-08T23:58:50Z
dc.date.available2023-10-09T11:41:09Z
dc.date.issued2022-07
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipOutra Agência
dc.identifier.doihttps://doi.org/10.1016/j.bcab.2022.102360
dc.identifier.issn1878-8181
dc.identifier.urihttps://hdl.handle.net/1843/59272
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofBiocatalysis and Agricultural Biotechnology
dc.rightsAcesso Restrito
dc.subjectAspergillus
dc.subjectBovinos - Alimentação e rações
dc.subjectÁcidos orgânicos
dc.subjectRúmen - Microbiologia
dc.subjectForragem
dc.subjectProbióticos
dc.subjectCapim-braquiária
dc.titleAspergillus spp. isolated from the bovine gastrointestinal tract improve organic acid profiles in Urochloa decumbens fermentation
dc.typeArtigo de periódico
local.citation.spage102360
local.citation.volume42
local.description.resumoDuring the dry season, high productivity of cattle cannot be sustained through the supply of tropical forage alone, and microbial additives or probiotics represent potential alternatives to improve the performance of animals raised on pastures. In the present study, we evaluated organic acid profiles following the in vitro fermentation of Urochloa decumbens mediated by Aspergillus spp. isolated from the bovine digestive tract. Twenty fungal isolates were evaluated after 96 and 144 h of fermentation of U. decumbens hay (UDH) in saline solution, Sabouraud dextrose broth, or ruminal fluid. Following fermentation, organic acids in the culture media were detected using high-performance liquid chromatography. The production of major fermentation acids differed across fermentation times, fungal isolates, and culture media. Using UDH in saline solution as the sole substrate, gluconic acid was the major fermentation product of fungal isolates. Fermentation of UDH in Sabouraud dextrose broth produced butyric, citric, and propionic acids. Fermentation of UDH in ruminal fluid produced acetic, propionic, and butyric acids, with significant and positive correlations among their production. Five selected isolates increased propionate proportion relative to the control, indicating potential as additives or probiotics for ruminants receiving fiber-rich diets.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.departmentICB - DEPARTAMENTO DE MICROBIOLOGIA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/pii/S1878818122000871

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