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This study was conducted in order to investigate the effects of supplementation diets of mulberry leaves powder on performance,carcass characteristics, blood characteristics, and meat color of chicken meat. Broiler chicks were fed diets containing 0% mulberry leaves powder (Control), 1% mulberry leaves powder (T1), 2% mulberry leaves powder (T2), and 3%mulberry leaves powder (T3) for five weeks. The weight gain, feed intake, and feed conversion were no significant difference among treatment groups. The carcass weight, carcass ratio, gizzard, cecum, heart, and abdominal fat weight were not significantly different. The liver weight significantly decreased by the supplementation of mulberry leaves powder compared to the control (p<0.05). The total cholesterol and LDL-cholesterol concentration of the control were higher than T3,but the HDL-cholesterol concentration, glucose, and albumin of the control were lower than those of the treatment groups (p<0.05). However, there were no significant difference in GPT and triglyceride concentration among treatments. In meat color, the CIE L* and a* value of treatment groups (T3) showed significantly higher value compared to the control, however,no difference in the CIE b* values was observed among treatment groups. In conclusion, these data indicate that 3%mulberry leaves powder supplementation was most effective in decreasing the total cholesterol and LDL-cholesterol as well as increasing the HDL- cholesterol, glucose, and albumin concentration.