This study was conducted to evaluate the effect of zinc - bering clinoptilolite (ZnCP) addition on growth performance, cecal microflora, intestinal antioxidant function and status, immune function of broiler chickens. A total of 300 one-day-old Arbor Acres chickens were randomly divided into 5 groups with 6 replicates of 10 birds each for a 42-day feeding trial.