Silva, C.A., Tadielo, L.E., Kasper, N.F., Altermann, O.D.C., Gayer, T.O., Krolow, R.H., Oaigen, R.P. and Castagnara, D.D. 2021. Characterization of milk production systems in the county of Alegrete, RS, Brazil, based on productive indexes. Bioscience Journal . 37, (Jun. 2021), e37033. DOI:https://doi.org/10.14393/BJ-v37n0a2021-42184.