Article history: This study investigated the feasibility of dietary supplemental mixed probiotics and Received 3 July 2013 bromelain fermented soybean meal (FS) and the strength of fermented soybean meal Received in revised form (SFS) (adjusted amino acids and protein) to replace expensive fish meal for broilers, in
5 February 2014 order to reduce feeding cost. Trial 1 investigated the effects of adding different levels of
Accepted 10 February 2014 mixed probiotics fermented solution and bromelain (a kind of protease extracted from pineapple) on the quality of fermented soybean meal. Trial 2 included (1) 4% fish meal
Keywords: (FM) as the control, (2) 6% wet fermented soybean meal (WFS), (3) 5% soybean meal Broilers (SBM), (4) 5% wet strengthened fermented soybean meal (WSFS) and (5) 4.5% dry
Fermented soybean meal strengthened fermented soybean meal (DSFS) groups. The best outcome of Trial 1 resulted
Growth performance from inoculation with a 34% fermented solution and 0.05% bromelain, and incubation at
Nutrient retention