Received: 22-06-2021
Accepted: 16-08-2021
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Effect of Organic Rare Earth Elements in Diet on Performance and Meat Quality of Broilers
Keywords
Broiler, carcass characteristics, meat quality, organic rare earth elememts
Abstract
This study was conducted to evaluate the effect of the supplement of organic rare earth elememts (REE-citrate) in broiler diets on growth performance, carcass characteristics and meat quality. The experiment was done according to a completely randomized design on 1,000 chicken from 1 day of age and divided equally males and females into 5 treatments (200 chicken/treatment) with 4 replicates as follows: treatment 1 (Control): basal diet (KPCS); treatment 2: KPCS + 50mg REE-citrate/kg feed; treatment 3: KPCS + 100mg REE-citrate/kg feed; treatment 4: KPCS + 150mg REE-citrate/kg feed; treatment 5: KPCS + 200 mg REE-citrate/kg feed. Results showed that supplementation of 150 and 200mg REE-citrate/kg feed improved daily weight gain and feed conversion ratio of broilers from 1 day of age to slaughter by 4.77-12.47% and 4.48-12.60%, respectively. Supplementation of REE-citrate did not affect the carcass characteristics and broiler meat quality, however, the level of 200mg REE-citrate/kg feed decelerated pH value in breast meat after 24 hours.
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