Prado, I.N. do et al. 1991. Apparent digestibility of preruminant kids fed with cow milk or soybean protein. Pesquisa Agropecuaria Brasileira. 26, 8 (Aug. 1991), 1153–1160. DOI:https://doi.org/10.1590/S1678-3921.pab1991.v26.3451.