HASIN, B.M.; FERDAUS, A.J.M.; ISLAM, M.A.; UDDIN, M.J.; ISLAM, M.S. Marigold and Orange Skin as Egg Yolk Color Promoting Agents. International Journal of Poultry Science, Pakistan, v. 5, n. 10, p. 979–987, 2006. DOI: 10.3923/ijps.2006.979.987. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/658. Acesso em: 22 sep. 2025.