AL-Beitawi, N., and S.S. El-Ghousein. “Effect of Feeding Different Levels of Nigella Sativa Seeds (Black Cumin) on Performance, Blood Constituents and Carcass Characteristics of Broiler Chicks ”. International Journal of Poultry Science 7, no. 7 (June 15, 2008): 715–721. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/1022.