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. 2018 Sep 19;9:2184. doi: 10.3389/fmicb.2018.02184

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Copyright © 2018 Elliott, Edwards, Wilkinson, Allison, McCaffrey, Scott, Rees-Stevens, Kingston-Smith and Huws.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Simple score plot (A) and GLS weighted score plot (B) of principal components PC1 vs. PC2 for an FTIR spectrum of Lolium perenne plant matter after different times (hours) of in vitro rumen incubation. Please note that 24 h data are not shown in GLS weighted plot as they were clear outliers which skewed the plot.