R. VIDAD, S.; DURAN, D. H. Energy Values of Corn and Rice Bran and Energy Levels for Ducks – Basis in Establishing Energy Requirement for Improved Philippine Mallard Duck . CLSU International Journal of Science and Technology, [S. l.], v. 6, n. 1, p. 11–22, 2022. Disponível em: https://ijst.clsu.edu.ph/index.php/ijst/article/view/v6n1_02. Acesso em: 19 apr. 2026.