Table 2.
Proximate analysis of the meat from lambs fed increased levels of yerba mate extract in the diet
| Parameters1 | Yerba mate extract | P-value3 | |||||
|---|---|---|---|---|---|---|---|
| (g 100g−1 meat) | 0% | 1% | 2% | 4% | MSE2 | Lin | Quad |
| MC | 65.51 | 60.46 | 60.55 | 65.48 | 1.75 | 0.64 | 0.11 |
| ASH | 1.56 | 1.70 | 1.96 | 1.60 | 0.09 | 0.80 | <0.01 |
| OM | 32.92 | 37.71 | 37.50 | 32.92 | 1.66 | 0.62 | 0.01 |
| Protein | 24.25 | 27.13 | 28.09 | 24.79 | 1.16 | 0.99 | 0.01 |
| TL | 2.60 | 3.21 | 3.52 | 2.97 | 0.30 | 0.49 | 0.04 |
| PM | 2.36 | 2.62 | 2.38 | 2.55 | 0.07 | 0.24 | 0.76 |
| Ratio protein:OM | 0.74 | 0.72 | 0.75 | 0.76 | 0.01 | 0.16 | 0.63 |
| Ratio TL:OM | 0.077 | 0.082 | 0.094 | 0.079 | 0.007 | 0.79 | 0.12 |
| Ratio PM:OM | 0.075 | 0.071 | 0.064 | 0.078 | 0.003 | 0.46 | <0.01 |
1MC, moisture content; ASH, ash content; OM, organic matter content; TL, total lipids content; PM, polar metabolites; ratio protein:OM, ratio between protein and organic matter; ratio TL:OM, ratio between total lipids and organic matter; ratio PM:OM, ratio between polar metabolites and organic matter.
2MSE, mean square error.
3Values from orthogonal contrast (linear and quadratic) are significantly different if P ≤ 0.05 and tendency if 0.05 < P ≤ 0.10.