Table 2.
The doses, arterial and portal enrichments, and portal blood flows in piglets receiving either an HP or an LP diet, after an i.v. or intraduodenal infusion of [U-13C]lysine
| Tracer experiment | [U-13C]lysine infusion rate, μmol/(kg per h) | Arterial enrichment, MPE | Portal enrichment, MPE | Portal blood flow, liter/(kg per h) |
|---|---|---|---|---|
| HP (i.v., n = 7) | 5.29 ± 0.46 | 0.772 ± 0.076 | 0.634 ± 0.057 | 4.7 ± 0.7 |
| LP (i.v., n = 6) | 6.94 ± 0.10 | 1.174 ± 0.034 | 1.069 ± 0.023 | 4.6 ± 0.4 |
| HP (i.d., n = 6) | 5.34 ± 0.54 | 0.668 ± 0.032 | 0.719 ± 0.032 | 4.9 ± 0.8 |
| LP (i.d., n = 6) | 6.94 ± 0.10 | 0.974 ± 0.022 | 1.093 ± 0.027 | 4.5 ± 0.5 |
Values shown are means ± SEM. i.d., intraduodenal; MPE, mole percent excess.