TY - JOUR T1 - Performance and feed intake of beef heifers on rotational grazing of natural grassland receiving protein and energy supplement in cool season JO - Ciência Rural A1 - Kuinchtner, Bruno Castro A1 - Quadros, Fernando Luiz Ferreira de A1 - Jochims, Felipe A1 - Casanova, Pedro Trindade A1 - Dutra, Gabriela Machado A1 - Ongaratto, Fernando A1 - Carvalho, Régis Maximiliano Roos de SN - 0103-8478 UL - 10.1590/0103-8478cr20170563 VL - 48 Y1 - 2018 PB - Brasil ER -