Daghir, 1975. World Poult. Sci. J., 31 (3): 200-211 Document reference Daghir, N. J., 1975. Studies on poultry by-product meals in broiler and layer rations. World Poult. Sci. J., 31 (3): 200-211Web https://doi.org/10.1079/WPS19750015Citation key Daghir, 1975Datasheets Feather mealPoultry by-product meal