Vaz, R.Z., Restle, J., Nunes Vaz, F., Pacheco, P.S., Neiva, J.N.M., Pascoal, L.L., Alves Filho, D.C. and Donicht, P.A.M.M. 2016. Performance of beef cows of different genetic groups in natural and cultivated pastures . Bioscience Journal . 32, 1 (Jan. 2016), 191–201. DOI:https://doi.org/10.14393/BJ-v32n1a2016-26504.