[1]
Ribeiro, E.L. de A. et al. 1991. Milk production and composition in Charolais and Angus cows nursing straightbred or crossbred calves. Pesquisa Agropecuaria Brasileira. 26, 8 (Aug. 1991), 1267–1273. DOI:https://doi.org/10.1590/S1678-3921.pab1991.v26.3464.