| ALA | alpha linoleic acid |
| BCS | body condition score |
| CLA | conjugated linoleic acid |
| CS | conventional system |
| EPA | eicosapentaenoic acid |
| FA | fatty acid |
| GC | gas chromatography |
| LA | linoleic acid |
| MIR-FT | infrared spectroscopy in mid-range with Fourier transformation |
| MUFA | monounsaturated fatty acids |
| NEB | negative energy balance |
| NEFA | non-esterified fatty acids |
| OS | organic system |
| PUFA | polyunsaturated fatty acids |
| RA | rumenic acid (C18:2 c9, t11) |
| SFA | saturated fatty acids |
| TFA | trans isomers of polyunsaturated fatty acids |
| UFA | unsaturated fatty acids |
| VA | vaccenic acid (C18:1 t11) |