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The present study was at the poultry field department of Animal recourse – College of Agriculture Engineering Science University of Baghdad from the period 12/10/2019 to 23/11/2019 determine the study effect add mixture of Organic Trace Minerals(OTM) and the mixture between them and in different proportions to the broiler diets on productive performance ,carcass characteristics and immunological responses and some physiological traits .Three hundred (300) unsexed of broiler chicks breed of 41.30g (Ross 308) One day age were use in the study .the birds distributed to five treatment with three replications per treatment (60 bird /treatment) as follows : T1 supplemented with (Zn 40 + Fe 30) mg/kg diet respectively, T2 supplemented with (Zn 40 + Mn 40 + Cu 7) mg/kg diet respectively, T3 supplemented with (Zn 40 + Se 0.3) mg/kg diet respectively, T4 supplemented with (Zn 40 + Cr 0.4) mg/kg diet respectively, T5 control (without addition). Were fed on starter diet from age 121 day, the starter diet consists of (23 % protein and 3003 Kcal metabolic energy /kg diet ) and finisher diet from 22-42 day consists of (20 % protein and 3201 Kcal metabolic energy /kg diet). The results of the present study following: 1Significant improvement (P<0.05) in the average of body weight and body weight gain for T4 compared with control group. 2No significant improvement average feed intake weekly, while it was significant (P<0.05) feed intake consumption for T4, and no significant improvement in feed conversion.

EFFECT OF DIET SUPPLEMENTATION WITH MIXTURES OF ORGANIC TRACE MINERALS ON PRODUCTIVE PERFORMANCE OF BROILER CHICKS