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dc.contributor.authorGoiri, Idoia
dc.contributor.authorDiaz de Otalora, Xabier
dc.contributor.authorRuiz, Roberto
dc.contributor.authorRey, Jagoba
dc.contributor.authorAtxaerandio, Raquel
dc.contributor.authorLuis Lavin, Jose
dc.contributor.authorSan Martin, David
dc.contributor.authorOrive, Mikel
dc.contributor.authorInarra, Bruno
dc.contributor.authorZufia, Jaime
dc.contributor.authorUrkiza, Jabi
dc.contributor.authorGarcia-Rodriguez, Aser
dc.date.accessioned2021-07-02T08:11:46Z-
dc.date.available2021-07-02T08:11:46Z-
dc.date.issued2020
dc.identifierISI:000602334700001
dc.identifier.urihttp://dspace.azti.es/handle/24689/1051-
dc.description.abstractAntimicrobial and antioxidant properties of spent coffee grounds (SCG) make them a potential ingredient in a diet for ruminants. This study investigated the effects of SCG on rumen microbiota. For 51 days, 36 dairy ewes were assigned to the experimental treatments (0, 30, 50, and 100 g SCG/kg). Ruminal samples were collected on day 50. DNA was extracted and subjected to paired-end Illumina sequencing of the V3-V4 hypervariable region of the 16S rRNA genes. Bioinformatic analyses were performed using QIIME (v.1.9.0). SCG increased dose-dependently bacterial diversity and altered bacterial structure. Further, 60, 78, and 449 operational taxonomic unit (OUT) were different between control and 30, 50 and 100 g/kg SCG groups, respectively. Higher differences were observed between the control and 100 g/kg SCG group, where OTU of the genera Treponema, CF231, Butyrivibrio, BF331, Anaeroplasma, Blautia, Fibrobacter, and Clostridium were enriched with SCG. Correlations between volatile fatty acids (VFA) and bacterial taxa were sparser in the SCG groups and had little overlap. Certain bacterial taxa presented different signs of the correlation with VFA in SCG and control groups, but Butyrivibrio and Blautia consistently correlated with branched-chain VFA in all groups. SCG induced shifts in the ruminal bacterial community and altered the correlation networks among bacterial taxa and ruminal VFA.
dc.language.isoEnglish
dc.publisherMDPI
dc.subjectcircular economy
dc.subjectcoffee by-products
dc.subjectruminal microbes
dc.subjectRUMEN FERMENTATION
dc.subjectMELANOIDINS
dc.subjectDIGESTIBILITY
dc.subjectPERFORMANCE
dc.subjectQUALITY
dc.subjectCATTLE
dc.subjectACIDS
dc.titleSpent Coffee Grounds Alter Bacterial Communities in Latxa Dairy Ewes
dc.typeArticle
dc.identifier.journalMICROORGANISMS
dc.format.volume8
dc.contributor.funderSOSDIE project from the European Regional Development Fund
dc.contributor.funderDepartment of Economic Development and Competitiveness of the Basque country [30-2017-00116]
dc.identifier.e-issn2076-2607
dc.identifier.doi10.3390/microorganisms8121961
Appears in Publication types:Artículos científicos



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