SOUZA, Janaina Cristina da Silva Maciel de; TRINDADE NETO, Messias Alves. Dietary levels of methionine plus cystine and chelated copper on the chemical composition of eggs and yolk cholesterol of 49-week-old brown laying hens. Semina: Ciências Agrárias, [S. l.], v. 41, n. 1, p. 269–282, 2020. DOI: 10.5433/1679-0359.2020v41n1p269. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/36234. Acesso em: 5 dec. 2025.