Table 6.
Effects of standard ileal digestible (SID) valine:lysine ratio on plasma branched-chain keto acids of weaned piglets (μmol/L)
| Items | SID valine:lysine ratio (%) | SEM | p-value | |||||
|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||
| 50 | 60 | 70 | 80 | Treatment | Linear | Quadratic | ||
| Number of piglets1) | 5 | 5 | 5 | 6 | - | - | - | - |
| α-keto isocaproate | 27.7 | 30.4 | 26.6 | 23.3 | 2.15 | 0.15 | 0.09 | 0.17 |
| α-keto isovalerate | 2.4 | 5.4 | 6.6 | 8.5 | 0.49 | <0.01 | <0.01 | 0.16 |
| α-keto-β-methylvalerate | 13.7 | 16.1 | 15.4 | 14.9 | 1.34 | 0.63 | 0.61 | 0.28 |
SEM, standard error of the mean.
1)
Three plasma samples were not analyzed because of insufficient quantity.