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This study was conducted to Compare effect between addition of propolis and antibiotic in performance and carcass traits of broiler from 07/02/2018 until 20/03/2018. 135 one day old unsexed chicks (Ross, 308) were reared for 42 day, they distributed to three treatments, three replicates per treatment (15 birds in replicate). First treatment was control, the second treatment was adding 0.5 g antibiotic (Oxytetracyclin 20%)/1 kg feed, and the third treatment was adding 1 g propolis / 1 kg feed. The results were showed no significant differences in all broiler performance characteristics. While, the propolis treatment was high significantly (P≤0.05) in the relative weight of bursa and gallbladder. Whereas, the relative weight of neck and wings was increased significantly (P≤0.05) in the antibiotic treatment. On the other hand, other carcass traits and relative weights for internal organs were not differed among treatments.

Comparison between effect of adding propolis and antibiotic in in broiler chickens on productive performance and carcass traits