AL-Fuhri, Mahasin A., and Zahira A. AL-Zuhairi. “Effect the Powderd Nigella Sativa L. Seeds Supplementation in Hens Layer Diet on Egg Characteristics and Some Biochemical Blood Parameters”. Kufa Journal For Veterinary Medical Sciences 1, no. 2 (December 30, 2010): 1–9. Accessed May 16, 2024. https://journal.uokufa.edu.iq/index.php/kjvs/article/view/4052.