“Evaluation of Reproductive Hormones and Sperm Characteristics of Five Strains of Male Broiler Chicken Raised in the Derived Savanna Zone of Nigeria”. Nigerian Journal of Animal Production 49, no. 1 (February 25, 2022): 107–114. Accessed November 2, 2026. https://njap.org.ng/index.php/njap/article/view/3408.