List of Articles H. Mahmoudi Article 1 - Amino Acid Digestibility and Energy Value of Bitter Vetch (a Cheap Plant Protein) and Effects of Feeding this Plant Protein on Production and Egg Quality Parameters of Leghorn and Native Layer Strain A.A. Saki M.A. Edris A. Janjan H. Mahmoudi A. Hoseini Siyar Iranian Journal of Applied Animal Science , Issue 1 , Year , Winter 2015