ABSTRACTThe present study was aimed to investigate the dietary effect of differentlevels of turmeric (Curcuma longa) powder on the performance of broilerduring summer (June-July), 2013. Four experimental rations designatedas T0, T1, T2 and T3 having 0%, 0.5%, 1.0% and 1.5% Turmeric(Curcuma longa) powder were fed to 120 broiler chicks (Ross 308),randomly distributed into 12 replicates, so as to have 3 replicates pertreatment and 10 chicks per replicate. Average weight gain, feedconsumption, feed efficiency, dressing yield and survivability were usedas criteria of response to feeding turmeric powder. Organs weightincluding heart, liver and gizzard were also recorded. The mean bodyweight gain and average feed efficiency (feed gain-1) per broilersignificantly increased (P<0.01) by turmeric supplemented feedcompared to control feed. The average feed consumption andsurvivability of broiler chick non- significantly (P>0.05) improved due toby turmeric supplementation in the diets. Inclusion of turmeric powdercaused slightly increased the carcass traits of broiler chicks i.e., averageweight of liver, heart and gizzard but the differences were non-significant(P>0.05). A significant decrease (P<0.01) in abdominal fat pad andsignificant increase (P<0.05) in dressing yield was observed in chickensfed the turmeric supplemented diets. The results of the present studysuggest that the use of turmeric (Curcuma longa) powder as feed* Corresponding author email: nuralambmb@gmail.com1 Department of Biochemistry & Molecular Biology, Bangabndhu Sheikh Mujibur Rahman Agricultural University,Gazipur-1706,
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