To cite this article: Shahbaz, M., Abdullah, S., Naz, H., Abbas, K., Ahmed, T., Mehmood, S., and Hussan, M.A., 2021. Evaluation of catalase activity in organs of fresh water fish, Ctenopharyngodon idella fed with vitamin E. Punjab Univ. J. Zool., 36(2): 171-174. https://dx.doi.org/10.17582/journal.pujz/2021.36.2.171.174