Rosa, J. R. P., A. Camera, P. S. . Pacheco, E. de A. . Fabricio, and D. B. Lemes. “Risk Analysis of the Economic Viability of Feedlot Aberdeen Angus Steers Fed With Different Proportions of Concentrate”. Bioscience Journal, vol. 33, no. 3, May 2017, pp. 660-9, doi:10.14393/BJ-v33n3-34547.