A study was conducted to determine the effects of a diet containing solid-state fermented corn gluten meal (FCGM) with Bacillus natto and Lactobacillus on the growth performance, serum parameters, immune indices, and intestinal morphology of three-yellow broilers. A total of 450 one-d-old three-yellow male broilers were randomly allocated into three dietary treatment groups: control (without FCGM), T1, and T2 [5% and 10% replacement with corn gluten meal (CGM) and FCGM, respectively]. Ten replications per treatment and 15 birds per repeat were utilized. The results showed that the FCGM had a lower neutral detergent fiber content and higher small peptide content than the CGM. The average daily gain values, globulin content, the thymus and spleen indices of three-yellow broilers fed 5% and 10% FCGM were significantly higher (P < 0.05) than those of the control group, and the three-yellow broilers that were fed 10% FCGM increased more than those that were fed 5% FCGM (P < 0.05). The villus lengths and the ratios of the villus height to crypt depth (V:C) of the duodenum of three-yellow broilers fed 5% and 10% FCGM were significantly higher than those of the control group (P < 0.05). From this study, it can be concluded that the productivity performances of three-yellow broilers fed with 5% FCGM and 10% FCGM increased, and with the additive level increase in the diet, increases of the productivity performance were observed.
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Vol. 99 • No. 2