Table 1.
Parameters used in MollyRum14 to characterize the chemical composition of forages (as sole feed sources)
| Parameter | Interpretation |
|---|---|
| FdAc | Acetate |
| FdAi | Insoluble ash |
| FdAs | Soluble ash |
| FdBu | Butyrate |
| FdCe | Cellulose |
| Fdfat | Fat added to diet |
| FdHc | Hemicellulose |
| FdLa | Lactate |
| FdLg | Lignin |
| FdLi | Lipids |
| FdNn | NPN |
| FdOa | Organic acids |
| FdPe | Pectin |
| FdPi | Insoluble protein |
| FdPs | Soluble protein |
| FdSc | Soluble carbohydrate |
| FdSt | Starch |
| FdUr | Urea |
| PSF | Small particle fraction |
| Stsol | Starch soluble fraction |
| FS = 0, FS = 0.5, FS = 1 | Fermentation stoichiometry that alters nonglucogenic to glucogenic short-chain fatty acid ratios |
| SLOW, MOD, FAST | Substrate (cellulose and hemicellulose) degradation rate categorized as slow, moderate, or fast |
| WaterConc | Fraction of water in diet |
A prefix Fd indicates a fraction in feed expressed as kg/kg DM.