Ramírez Orta, M.A., Rosero Guerra, G.K., Castillo Parra, B.F. and Trujillo Villacis, J.V. 2020. Design, construction and automation of a milk skimmer for feeding in holstein mestizo calves . ConcienciaDigital. 3, 3 (Jul. 2020), 275-292. DOI:https://doi.org/10.33262/concienciadigital.v3i3.1311.