Ebegbulem, V. N., David, U. E. Quality and mineral composition of eggs of duck and chicken reared extensively in Ugep, Cross River state, Nigeria . Nig. J. Anim. Sci. Technol [Internet]. 2021Oct.13 [cited 2025Oct.9];4(3):53 -60. Available from: http://www.njast.com.ng/index.php/home/article/view/158