“EXTERNAL CHARACTERIZATION OF FOUR INDIGENOUS HELMETED GUINEA FOWL VARIETIES (Numida Meleagris Galeata Pallas 1882) IN NIGERIA ”. Nigerian Journal of Animal Production 16 (January 5, 2021): 47–54. Accessed November 14, 2026. https://njap.org.ng/index.php/njap/article/view/1916.