were evaluated in each phase, including 10%, 20% or 30% of fiber source in the different phase feeding diets, respectively. Cereal fiber (maize fiber and wheat bran fiber) predominantly consisted of xylose and arabinose. Soybean fiber was characterized by high contents of galactose, and pea fiber was rich in glucose. Average daily feed intake (ADFI) was reduced (P < 0.05) in pigs fed SF, but supplemental pea fiber had a higher feed conversion ratio (P < 0.05)