Arshami, J., M. Pilevar, and M. Elahi. 2009. “Effects of Long-Term Feeding Flaxseed on Growth and Carcass Parameters, Ovarian Morphology and Egg Production of Pullets”. International Journal of Poultry Science 9 (1): 82–87. https://doi.org/10.3923/ijps.2010.82.87.