Performance and blood serum parameters of meat type cockerels on five different levels of Testosterone Enanthate were investigated. Parameters measured included Total Feed Intake(TFI),Initial Body Weight(IBW),Final Body Weight(FBW).Total Body Weight Gain(TBWG),Feed Conversion Ratio(FCR),Efficiency of Feed Utilization(EFU),Feed Cost per unit body weight gain(US$/kg),Total Protein(TP), Albumin(ALB), Globulin(GLB), Uric acid, Glucose, Cholesterol, Serum calcium and enzyme activities. The results revealed that the dosage of the testosterone enanthate had significant (p__ampersandsignlt;0.05) effect on the performance characteristics investigated. Birds on 0.3mg/kg body weight gave the best results with respect to FBW, FCR, EFU and cost effectiveness. Meanwhile, the serum metabolites were not significantly (p__ampersandsigngt;0.05) affected by the dosage of the exogenous hormone. Exogenous testosterone enanthate can be used to enhance the growth of meat type cockerels economically without adverse effect on the birds.