To cite this article: Al-Hindawi, S.H., Gathwan, K.H., Aldhaher, Z.A. and Shaker, R.M., 2025. Protective role of garlic extract against toxicity of nickel nitrate on spermatocytes and fertility outcome. Punjab Univ. J. Zool., 40(2): 225-232. https://dx.doi.org/10.17582/journal.pujz/2025/40.2.225.232