Compositional analysis of ruminal bacteria from ewes selected for somatic cell score and milk persistency
dc.contributor.author
dc.date.accessioned
2021-11-22T11:08:42Z
dc.date.available
2021-11-22T11:08:42Z
dc.date.issued
2021-07-26
dc.identifier.uri
dc.description.abstract
Ruminants are dependent on their rumen microbiota to obtain energy from plants. The composition of the microbiome was well-known to be associated with health status, and production traits, but published results are difficult to reproduce due to large sources of variation. The objectives of this study were to evaluate the associations of ruminal microbiota and its association with genetic lines selected by somatic cell score (SCS) or milk persistency (PERS), as well as milk production, somatic cell score, fat and protein contents, and fatty acids and proteins of milk, using the principles of compositional data. A large sample of 700 Lacaune dairy ewes from INRAE La Fage feeding the same diet and belonging to two divergent genetic lines selected for SCS or PERS was used. The ruminal bacterial metagenome was sequenced using the 16S rRNA gene, resulting in 2,059 operational taxonomic units affiliated with 112 genera. The abundance data were centred log-transformed after the replacement of zeros with the geometric Bayesian method. Discriminant analysis of the SCS showed differences between SCS+ and SCS- ewes, while for PERS no difference was obtained. Milk traits as fat content, protein content, saturated fatty acids and caseins of milk were negatively associated with Prevotella (R = [-0.08;-0.16]), Suttonella (R = [-0.09;-0.16]) and Ruminococcus (R = [-0.08;-0.16]), and positively associated with Lachnospiraceae (R = [0.09;0.16]) and Christensenellaceae (R = [0.09;0.16]). Our findings provide an understanding of the application of compositional data to microbiome analysis, and the potential association of Prevotella, Suttonella, Ruminococcaceae and Lachnospiraceae with milk production traits such as milk fatty acids and proteins in dairy sheep
dc.format.extent
16 p.
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application/pdf
dc.language.iso
eng
dc.publisher
Public Library of Science (PLoS)
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Reproducció digital del document publicat a: https://doi.org/10.1371/journal.pone.0254874
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PLoS One, 2021, vol. 16, núm. 7, p. e0254874
dc.relation.ispartofseries
Articles publicats (D-IMAE)
dc.rights
Attribution 4.0 International (CC BY 4.0)
dc.rights.uri
dc.source
Martinez Boggio, Guillermo Meynadier, Annabelle Daunis i Estadella, Josep Marie-Etancelin, Christel 2021 Compositional analysis of ruminal bacteria from ewes selected for somatic cell score and milk persistency PLoS One 16 7 1 16
dc.subject
dc.title
Compositional analysis of ruminal bacteria from ewes selected for somatic cell score and milk persistency
dc.type
info:eu-repo/semantics/article
dc.rights.accessRights
info:eu-repo/semantics/openAccess
dc.type.version
info:eu-repo/semantics/publishedVersion
dc.identifier.doi
dc.identifier.idgrec
034043
dc.type.peerreviewed
peer-reviewed
dc.identifier.eissn
1932-6203