Catalase of blood of some common animals

Catalase was determined in serum and whole blood of 8 animals each of cow, sheep, chicken, snake (Krait), horse, dog, guinea pig, rat and rabbit. The catalase content in whole blood and serum of different species of animals varies considerably ranging from 10,000 to 80,000 units/100 m power 1 blood and 52.5 to 155 units/100 ml serum. The significance of this variation is not yet known.