| ADF | Acid detergent fiber |
| ADL | Acid detergent lignin |
| ASVs | Amplicon sequence variants |
| CP | Crude protein |
| DM | Dry matter |
| EE | Ether extract |
| GE | Gross energy |
| GLM | General linear model |
| LAB | Lactic acid bacteria |
| LDA | Linear discriminant analysis |
| LEfSe | Linear discriminant analysis effect size |
| NDF | Neutral detergent fiber |
| NFC | Non-fiber carbohydrates |
| NH3-N | Ammoniacal nitrogen |
| PD | Phylogenetic diversity |
| PERMANOVA | Permutational multivariate analysis of variance |
| RFV | Relative feed value |
| TDN | Total digestible nutrients |