Imaizumi, Hugo, Flávio Augusto Portela Santos, Alexandre Vaz Pires, and Sérgio de Oliveira Juchem. 2006. “Protein and Starch Sources Varying in Rumen Degradability to Feed Dairy Cows”. Pesquisa Agropecuaria Brasileira 41 (9):1413-20. https://doi.org/10.1590/S1678-3921.pab2006.v41.7297.