This study aimed to evaluate the effects of an organic acid blend and essential oils individually and in combination on growth performance, blood biochem. profile, gut health, and nutrient digestibility of broilers fed a higher level of an animal protein concentrateBirds in these group were given five different exptl. diets that were prepared and desig-nated as (i) basal diet (neg. control, NC); (ii) basal diet plus Enramycin (pos. control, PC), 50mg/kg feed; (iii) basal diet with the addition of organic acid (OA) at 200mg/kg feed; (iv) basal diet plus essential oils (EO) at 150mg/kg feed; (v) basal diet plus combination of OA and EOs 200 and150mg/kg feed (OA+EO).Exptl. diets were prepared and fed in two phases i.e. starter (1-21d) and finisher (22-42d) phases of rearing.The findings of the present study revealed that feed intake did not vary significantly among the treatment groups, however, bet-ter (p<.05) body weight gain (BWG) and feed conversion ratio (FCR) was observed in OA, EO and OA+EO supplemented groups, resp.The growth of Clostridium perfringens, Escherichia coli and Salmonella were reduced (p<.05) in OA, EO, OA+EO groups, while, Lactobacillus growth was pos. improved (p<.05).It was deduced that supplementing organic acids and essential oils are beneficial in improving birds performance, health, nutrient digestibil-ity and subsequently could potentially replace antibiotic as growth promoters and could enhance the utilization of animal protein concentrate without compromising performance and gut health in the poultry feed industry.