Parameters associated with sexual precocity of Nellore heifers in integrated systems - Bertogna, Kássila Fernanda; Moreira, Paulo Sérgio Andrade; Gomes, Fagner Júnior; Kachiyama, Fernando Barbosa; Groth, Andressa; Rezende, Marcelo Oster; Magalhães, Ciro Augusto Souza de; Lopes, Luciano Bastos (Agroforestry Systems, 2021)