@article{rosa_vaz_lobato_2012,  title={Natural and improved pastures on growth and reproductive performance of Hereford heifers},  volume={41},  ISSN={1516-3598},  url={https://doi.org/10.1590/S1516-35982012000100029},  DOI={10.1590/S1516-35982012000100029},  number={1},  journal={Revista Brasileira de Zootecnia},  publisher={Sociedade Brasileira de Zootecnia},  author={Rosa, Antonio Augusto Galarza and Vaz, Ricardo Zambarda and Lobato, José Fernando Piva},  year={2012},  month={Jan},  pages={203–211} }