Souza, José Felipe Leão de, et al. “Efficiency of Different Sources of Roughage on Growing Performance of Young Horses”. Pesquisa Agropecuaria Brasileira, vol. 19, no. 9, Apr. 2014, pp. 1175-9, https://doi.org/10.1590/S1678-3921.pab1984.v19.16107.