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29 août 2016
- handle: 10670/1.q8y5yp
- isbn: 978-90-8686-284-9
- hal: hal-02741702
- PRODINRA: 370907
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Cristina Saro-Higuera et al., « Effect of a lipid-garlic treatment on archaeal community establishment and rumen function in lambs », HALSHS : archive ouverte en Sciences de l’Homme et de la Société, ID : 10670/1.q8y5yp
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The microbial colonization of the rumen after birth is influenced by several factors that may modulate the microbiota composition and function. We report here the effects of a treatment applied in early life on rumen fermentation and archaeal community structure in lambs from birth up to 4 weeks of age. Sixty lambs and their dams were allocated to two groups. Treatment (T) consisted in linseed oil and garlic essential oil drenched daily during the whole experimental period. T was also applied to dams. Rumen contents were sampled by oral stomach tubing. All lambs were sampled at 1 week, as well as all dams for comparison. A representative set of lambs (n=10) was sampled at 2, 3 and 4 weeks. Volatile fatty acids (VFA) were analysed and 16S rDNA amplicon sequencing was used to explore the archaeal diversity. Total VFA concentration was not affected by the treatment except in 1-week-old lambs (34.4 vs 24.3 mM, for C and T, respectively, P