El Boushy et al., 1990. Biol. Wastes, 32 (1): 39-74

El Boushy, A. R.; van der Poel, A. F. B.; Walraven, O. E. D., 1990. Feather meal — A biological waste: Its processing and utilization as a feedstuff for poultry. Biol. Wastes, 32 (1): 39-74