NIU, Zhuye; ZHANG, Chunlei; LIU, Fuzhu. A Bioassay Method for Metabolizable Energy of Feedstuffs for Peking Ducks. International Journal of Poultry Science, Pakistan, v. 7, n. 9, p. 884–886, 2008. DOI: 10.3923/ijps.2008.884.886. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1045. Acesso em: 21 sep. 2025.