Table 5 Effects of corn processing method (steam-flaking vs. grinding) in starter diet and weaning age (50 vs. 75) on total-tract apparent nutrient digestibility determined from d 85 to 89 of the experiment (n = 12 per treatment).
Items | SFC | GC | SEM | Contrast, P-value | ||||
|---|---|---|---|---|---|---|---|---|
50 | 75 | 50 | 75 | C | W | C × W | ||
Dry matter, % | 74.0 | 70.1 | 66.5 | 61.3 | 1.17 | < 0.01 | 0.01 | 0.66 |
Organic matter, % | 76.0 | 75.4 | 73.2 | 69.0 | 1.75 | 0.01 | 0.18 | 0.31 |
Crude protein, % | 71.0 | 71.1 | 68.1 | 63.2 | 2.18 | 0.01 | 0.25 | 0.25 |
Neutral detergent fiber, % | 50.4 | 50.2 | 48.7 | 39.9 | 2.88 | 0.04 | 0.12 | 0.13 |
