Yeasts isolated from bovine rumen selected to degrade lignocellulosic roughage

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dc.creatorEduardo Robson Duarte
dc.creatorSabrina Miranda Lima
dc.creatorJuliane Costa Nere
dc.creatorCláudio Eduardo Silva Freitas
dc.creatorHigor Alexandre Rodrigues Maia
dc.creatorAline Daniela Lopes Júlio
dc.creatorFlávia Oliveira Abrão
dc.creatorJanete Maria Silva Alves
dc.creatorVera Lúcia dos Santos
dc.creatorLuciana Castro Geraseev
dc.creatorJúnio Cota Silva
dc.date.accessioned2025-06-23T20:10:34Z
dc.date.accessioned2025-09-09T01:08:22Z
dc.date.available2025-06-23T20:10:34Z
dc.date.issued2024-03
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/10.13057/biodiv/d250331
dc.identifier.issn2085-4722
dc.identifier.urihttps://hdl.handle.net/1843/83077
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofBiodiversitas Journal of Biological Diversity
dc.rightsAcesso Aberto
dc.subjectBiomassa
dc.subjectRúmen
dc.subjectForragem
dc.subjectBagaço de cana
dc.subjectLeveduras (Fungos)
dc.titleYeasts isolated from bovine rumen selected to degrade lignocellulosic roughage
dc.typeArtigo de periódico
local.citation.epage1166
local.citation.issue3
local.citation.spage1159
local.citation.volume25
local.description.resumoCommercial yeast strains are viable alternatives to chemical additives in ruminants; however, they are not self to the rumen ecosystem. The present study was conducted to compare the degradation of Urochloa decumbens (Stapf) R.D.Webster (UD) hay and sugarcane bagasse (SB) by eight selected yeast strains, naturally present in the rumen cows and control without microorganisms. Eight yeast isolates that showed >6 log CFU per mL of ruminal fluid were selected and identified as four Pichia kudriavzevii isolates, three Rhodotorula mucilaginosa isolates and one Candida tropicalis isolate, according to their morphological and physiological characteristics and by analyses of the D1 - D2 variable domain sequences of the 28S rRNA gene. The strain V5 (R. mucilaginosa) showed higher cell biomass production than other strains of this species in fermentations with UD (P<0.05). Two isolates of Pichia kudriavzevii (V10 and V62) and one of R. mucilaginosa (V5) promoted a higher reduction of dry matter (DM) of UD than other yeast. The strain V5 was also the most efficient to reduce DM of SB (P <0.05). These selected yeasts could represent a potential alternative for use in animal diets and for industrial applications.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://smujo.id/biodiv/article/view/16989

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