Amaefule, K.; Oke, U.; Obioha, F. Pigeon Pea [Cajanus Cajan (L.) Millsp.] Seed Meal in Layer Diets: 2. Laying Performance and Egg Quality Characteristics of Pullets Fed Raw or Processed Pigeon Pea Seed Meal Diets During Grower and Layer Stages of Life. Int. J. Poult. Sci. 2007, 5 (6), 445–451. https://doi.org/10.3923/ijps.2006.445.451.