Rodrigues PHM, Lucci C de S, Melotti L. Effects of sodium lasalocid and roughage/concentrate ratio on in situ degradability of soybean meal and Coast Cross hay [Cynodon dactylon (L.) Pers.] in dry cows. Braz. J. Vet. Res. Anim. Sci. 2000;37(3):259-264. doi:10.1590/S1413-95962000000300015