Mohammed, A., A. O. Raji, and J. U. Igwebuike. “Genetic Variability of Nigerian Sheep Breeds at the Insulin-Like Growth Factor-1 (IGF-1) Gene Locus”. Nigerian Journal of Animal Production, vol. 45, no. 1, Dec. 2020, pp. 51-60, doi:10.51791/njap.v45i1.367.