effect of lipia citridora leaves powder on growth performance, carcass traits, blood metabolites and meat quality of broilers

background: since the prohibition of antibiotic growth promoter in poultry ration by the european :union:, poultry producers have been  trying to replace them by other growth promoters like medicinal herbs. lipia citridora is a medicinal  herb enriched by several powerful phenolic compounds and with antioxidant and antimicrobial properties which lead to enhancing appetite and growth performance of broiler. objectives: the aim of this study was to investigate the effect of lipia citridora leaves powder (lclp) on growth performance, carcass traits, blood metabolites, and meat quality of broilers. methods: the experiment was carried out with 160 one-day-old male ross 308 broiler chickens in a completely randomized design. the chicks were allocated to four diets including basal diet and treatment diets which were supplemented with 3 levels of lclp (0.25, 0.5 and 1.0% of diet) in 16-floor pens with 10 chickens each. at the end of the experiment, 2 chicks/pen were selected and the assigned parameters were evaluated. results: all levels of lclp improved (p