Palabras claves: ADG, antibiotic growth promotants, average daily gain, Beef cattle nutrition, DM, DMI, Dry matter, dry matter intake, EU, European Union, Feedlot, Fumarate, Malate, rumen fermentation, VFA, volatile fatty acids
Autores: Benedito J.L., Castillo C., Hernández J.R., Marta López-Alonso, Méndez J., Miranda M., Pereira V.