Al-Nasser , A. Y., Al-Saffar, A. E., Abdullah, F. K., Al-Bahouh, M. E., Ragheb, G., & Mashaly, M. M. (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