Amaefule, K., Ironkwe, M. and Obioha, F. (2006) “Pigeon Pea [Cajanus cajan (L.) Millsp.] Seed Meal in Layer Diets: 1. Performance of Point of Lay Pullets Fed Raw or Processed Pigeon Pea Seed Meal Diets”, International Journal of Poultry Science, 5(7), pp. 639–645. doi:10.3923/ijps.2006.639.645.