. 1 but with additional treatments
of SDP blended into the meal and conditioned at 90
or 95°C before pelleting. In Exp. 4, treatments were
arranged as a 2 × 2 factorial with 2 levels of SDP (0
or 1%) and 2 processing procedures (not expanded or
expanded at 149°C final effective temperature before
pelleting at 85°C conditioning temperature).
The feeding program for Exp. 1 and 2 consisted of
3 phases: starter from 1 to 14 d of age, grower from
15 to 28 d of age, and finisher from 29 to 42 d of age
(Tables 1 and 2).