“Effect of Surgical and Immunological Castration on Haematological Variables, Reproductive Hormones and Ejaculate Characteristics in Mongrel Dogs”. Nigerian Journal of Physiological Sciences, vol. 31, no. 1, मई, 2021, पृ. 037-42, https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1850.