Espinosa, José L, Dianelys González Peña, Alejandro Palacios Espinoza, Ricardo Ortega, and Ariel Guillén. 2016. “Genetic Parameters of Days Open in Charolais Cattle of Cuba”. Revista Colombiana De Ciencias Pecuarias 29 (1):16-24. https://doi.org/10.17533/udea.rccp.324960.