... weeks feeding, clearly indicating no diet effects. However, the inclusion of organic acids and thecombination of acids and tannin had no deleterious effects on haematological, biochemical and antioxidantenzyme ... ofinhibition of the described reaction. The standard cali-bration curve of percentage of inhibition by standardsolutions and log concentrations (U/ml) was used to determine SOD activity in ... reported to inactivate certainviruses [6,18-21]. The presence of tannins in diets forlivestock have been reported to have anti-nutritional and toxic effects, including reduced feed intake, growthrate,...