Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Characterisation of the effect of day length, and associated differences in dietary intake, on the gut microbiota of Soay sheep
Thomas, Nadine A. ; Olvera-Ramírez, Andrea M. ; Abecia, Leticia ; Adam, Clare L. ; Edwards, Joan E. ; Cox, Georgina F. ; Findlay, Patricia A. ; Destables, Elodie ; Wood, Tracy A. ; McEwan, Neil R. - \ 2019
Archives of Microbiology 201 (2019)7. - ISSN 0302-8933 - p. 889 - 896.
Anaerobic fungi - Bacteria - Ciliated protozoa - Day length - Digestive tract - Soay sheep

Differences in the rumen bacterial community have been previously reported for Soay sheep housed under different day length conditions. This study extends this previous investigation to other organs of the digestive tract, as well as the analysis of ciliated protozoa and anaerobic fungi. The detectable concentrations of ciliated protozoa and anaerobic fungi decreased with increased day length in both the rumen and large colon, unlike those of bacteria where no effect was observed. Conversely, bacterial community composition was affected by day length in both the rumen and large colon, but the community composition of the detectable ciliated protozoa and anaerobic fungi was not affected. Day length-associated differences in the bacterial community composition extended to all of the organs examined, with the exception of the duodenum and the jejunum. It is proposed that differences in rumen fill and ruminal ‘by-pass’ nutrients together with endocrinological changes cause the observed effects of day length on the different gut microbial communities.

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