Araújo, L.C. et al. 2020. Effects of dietary protein level on intake, digestibility, and energy expenditure in dairy heifers. Semina: Ciências Agrárias. 41, 6Supl2 (Nov. 2020), 3211–3224. DOI:https://doi.org/10.5433/1679-0359.2020v41n6Supl2p3211.