Etuk, I.F., S.F. Abasiekong, G.S. Ojewola, and S.C. Akomas. 2006. “Carcass and Organ Characteristics of Muscovy Ducks Reared under Three Management Systems in South Eastern Nigeria”. International Journal of Poultry Science 5 (6): 534–537. https://doi.org/10.3923/ijps.2006.534.537.