| ADF | acid detergent fibre |
| ADL | acid detergent lignin |
| ASV | amplicon sequence variant |
| C | control |
| CHT | chestnut tannins |
| CP | crude protein |
| DM | dry matter |
| DMA | dimethyl acetals |
| DMI | DM intake |
| EE | ether extract |
| GAL | gallic acid |
| HTS | high-throughput sequencing |
| NDF | neutral detergent fibre |
| NDFdeg | NDF degradability |
| NDFfeed | NDF of feeds |
| NDFundeg | NDF residuals |
| OM | organic matter |
| qPCR | quantitative PCR |
| RL | rumen liquor |
| VES | vescalagin |