To cite this article: Anwar, F., Zafar, M., Anwar, Z. and Mehmood, R.T., 2019. Optimization of fermentation and production of antimicrobial agents as secondary metabolites from an indigenous Aspergillus niger. Punjab Univ. J. Zool., 34(2): 165-173. https://dx.doi.org/10.17582/journal.pujz/2019.34.2.165.173