A total of160 pigs were randomly assigned to 5 dietary treatments (n=8): 400g/kg soybean meal(FSBM-0), its replacement by protein from fermented soybean meal as 1/3 (FSBM-1), 2/3(FSBM-2), 3/3 (FSBM-3), and no soy protein in diet (PCON). Diets were fed at weaning,but feed intake (ADFI) and weight gain (ADG) record began after 3 day