Table 6.
Effects of feeding HMB to lactating sows on HMB and amino acid metabolism in piglets during d 28 of lactation
| CON | HMB | SEMa | P value | |
|---|---|---|---|---|
| HMB level | ||||
| Maternal milk, μmol/L | 0.42 | 10.50 | 0.01 | <0.001 |
| Piglet’ LD, nmol/g tissue | 6.04 | 7.51 | 0.33 | 0.025 |
| Plasma metabolite | ||||
| Insulin, μU/mL | 20.98 | 23.98 | 1.05 | 0.078 |
| Glucose, mmol/L | 7.71 | 9.77 | 0.46 | 0.029 |
| Urea, mmol/L | 4.79 | 4.40 | 0.34 | 0.860 |
| Leucine, nmol/mL | 155.6 | 227.7 | 20.8 | 0.044 |
| BCAA, nmol/mL | 516.8 | 561.2 | 37.8 | 0.437 |
| EAA, nmol/mL | 1,449 | 2,521 | 92 | 0.002 |
| NEAA, nmol/mL | 2,389 | 2,690 | 182 | 0.319 |
LD longissimus dorsi, BCAA branched-chain amino acids, EAA essential amino acid, NEAA nonessential amino acids, CON control, HMB β-hydroxy-β-methylbutyrate
aPooled standard error of the mean (n = 10/treatment for maternal milk; n = 6/treatment for piglet’s LD and plasma metabolite)