The objective of this study was to evaluate the effect of dietary supplements with lead acetate and aluminosilicates (ATN) on antioxidative enzyme activities and lipid peroxidation of the heart and skeletal muscle tissues of broiler chickens. Broilers were allotted to four diets including the control group, the Pb group, the aluminosilicate-ATN (antitoxic nutrient) group and the Pb+ATN group, i...