Al-Nasser , Afaf Y., Abdulameer E. Al-Saffar, Faten K. Abdullah, Mariam E. Al-Bahouh, Gehan Ragheb, and Magdy M. Mashaly. 2011. “Effect of Adding Flaxseed in the Diet of Laying Hens on Both Production of Omega-3 Enriched Eggs and on Production Performance”. International Journal of Poultry Science 10 (10): 825–831. https://doi.org/10.3923/ijps.2011.825.831.