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dc.rights.licenseopenen_US
dc.contributor.authorMACH CASELLAS, Nuria
hal.structure.identifierNutrition et Neurobiologie intégrée [NutriNeuro]
dc.contributor.authorFOURY, Aline
dc.contributor.authorKITTELMANN, Sandra
dc.contributor.authorREIGNER, Fabrice
dc.contributor.authorMOROLDO, Marco
dc.contributor.authorBALLESTER, Maria
dc.contributor.authorESQUERRE, Diane
dc.contributor.authorRIVIERE, Julie
dc.contributor.authorSALLE, Guillaume
dc.contributor.authorGERARD, Philippe
hal.structure.identifierNutrition et Neurobiologie intégrée [NutriNeuro]
dc.contributor.authorMOISAN, Marie Pierre
IDREF: 060242264
dc.contributor.authorLANSADE, Lea
dc.date.accessioned2021-09-28T09:26:40Z
dc.date.available2021-09-28T09:26:40Z
dc.date.issued2017
dc.identifier.issn1664-042Xen_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/112457
dc.description.abstractEnWeaning has been described as one of the most stressful events in the life of horses. Given the importance of the interaction between the gut-brain axis and gut microbiota under stress, we evaluated (i) the effect of two different weaning methods on the composition of gut microbiota across time and (ii) how the shifts of gut microbiota composition after weaning affect the host. A total of 34 foals were randomly subjected to a progressive (P) or an abrupt (A) weaning method. In the P method, mares were separated from foals at progressively increasing intervals every day, starting from five min during the fourth week prior to weaning and ending with 6 h during the last week before weaning. In the A method, mares and foals were never separated prior to weaning (0 d). Different host phenotypes and gut microbiota composition were studied across 6 age strata (days -30, 0, 3, 5, 7, and 30 after weaning) by 16S rRNA gene sequencing. Results revealed that the beneficial species belonging to Prevotella, Paraprevotella, and Ruminococcus were more abundant in the A group prior to weaning compared to the P group, suggesting that the gut microbiota in the A cohort was better adapted to weaning. Streptococcus, on the other hand, showed the opposite pattern after weaning. Fungal loads, which are thought to increase the capacity for fermenting the complex polysaccharides from diet, were higher in P relative to A. Beyond the effects of weaning methods, maternal separation at weaning markedly shifted the composition of the gut microbiota in all foals, which fell into three distinct community types at 3 days post-weaning. Most genera in community type 2 (i.e., Eubacterium, Coprococcus, Clostridium XI, and Blautia spp.) were negatively correlated with salivary cortisol levels, but positively correlated with telomere length and N-butyrate production. Average daily gain was also greater in the foals harboring a community type 2 microbiota. Therefore, community type 2 is likely to confer better stress response adaptation following weaning. This study identified potential microbial biomarkers that could predict the likelihood for physiological adaptations to weaning in horses, although causality remains to be addressed.
dc.language.isoENen_US
dc.rightsAttribution 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/us/*
dc.subject.enHorse
dc.subject.enGut microbiota
dc.subject.enMaternal separation
dc.subject.enStress
dc.subject.enWeaning
dc.title.enThe effects of weaning methods on gut microbiota composition and horse physiology
dc.typeArticle de revueen_US
dc.identifier.doi10.3389/fphys.2017.00535en_US
dc.subject.halSciences du Vivant [q-bio]/Neurosciences [q-bio.NC]en_US
dc.identifier.pubmed28790932en_US
bordeaux.journalFrontiers in Physiologyen_US
bordeaux.page21 p.en_US
bordeaux.volume8en_US
bordeaux.hal.laboratoriesNutriNeurO (Laboratoire de Nutrition et Neurobiologie Intégrée) - UMR 1286en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionINRAEen_US
bordeaux.teamNutrition, mémoire et glucocorticoïdesen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
hal.exportfalse
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Frontiers%20in%20Physiology&rft.date=2017&rft.volume=8&rft.spage=21%20p.&rft.epage=21%20p.&rft.eissn=1664-042X&rft.issn=1664-042X&rft.au=MACH%20CASELLAS,%20Nuria&FOURY,%20Aline&KITTELMANN,%20Sandra&REIGNER,%20Fabrice&MOROLDO,%20Marco&rft.genre=article


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