Sadeghi, Gh., A. Samie, J. Pourreza, and H.R. Rahmani. 2004. “Canavanine Content and Toxicity of Raw and Treated Bitter Vetch (Vicia Ervilia) Seeds for Broiler Chicken”. International Journal of Poultry Science 3 (8): 522–529. https://doi.org/10.3923/ijps.2004.522.529.