Table 2.
Composition of the formula used in Experiment 1–3.
| Standard Formulaa | RTF-IFb | |
|---|---|---|
| Energy, kJ/L | 4,115 | 3,400 |
| Protein, g/L | 73 | 29 |
| Fat, g/L | 59 | 40 |
| Carbohydrates, g/L | 42 | 84 |
| Lactose, g/L | - | 36 |
| Maltodextrin, g/L | 46 | 45 |
| Oligosaccharides, g/L | –c | –d |
a
Piglet formula mixed from Pepdite 2-0, Liquigen-MCT (SHS International, Liverpool, UK), and Lacprodan DI-9224 (Arla Food Ingredients, Aarhus, Denmark).
b
RTF-IF, ready-to-feed infant formula for preterm infants (Alprem, Clinic 1, Nestlé Nutrition S.A., Barcelona, Spain).
c
Supplemented with maltodextrin (control) or HMO [Experiment 1 (5-day): 5 g/L 4-HMO; Experiment 2 (5-day): 7 g/L 25-HMO].
d
With and without HMO supplementation [Experiment 3 (11-day): 10 g/L 4-HMO blend during the first 4 days, then 5 g/L as in Experiment 1].