maize-soybean meal basal diet with no supplement as control, the basal diet containing propolis (0.20 kg), probiotic (0.45 g/kg), or a combination of propolis (0.20 g/kg) and probiotic (0.45 g/
kg). Each treatment consisted of 4 replicated pens with 16 broiler chickens per pen. Broiler chickens had ad libitum access to feed and water and the light program was 23 h light/1 h
dark. The inclusion of propolis extract decreased (Po0.05) body weight and feed intake