The Economy of puberty and early Pregnancy diagnosis in nellore and nellore X angus Females - Diaz-Rodriguez, Frederich; Ojeda Rojas, Oscar Alejandro; Pugliesi, Guilherme; Ferraz Junior, Marcos Vinícius; Binelli, Mario; Pires, Alexandre Vaz; Gameiro, Mariana Bombo Perozzi; Gameiro, Augusto Hauber (Journal of Agricultural Studies, 2020)