Adewumi, O. O. “Genetic and Non-Genetic Factors Affecting the Performance of West African Dwarf (WAD), Yankasa (YAN) and WAD X YAN Lambs in the Tropics”. Nigerian Journal of Animal Production 41, no. 2 (January 10, 2021): 44–52. Accessed September 17, 2026. https://www.njap.org.ng/index.php/njap/article/view/724.