@article{vaz_lobato_restle_costa_eloy_ferreira_costa_2020,  title={Calving month and calf sex on the production and efficiency of herds},  volume={21},  ISSN={1809-6891},  url={https://doi.org/10.1590/1809-6891v21e-61977},  DOI={10.1590/1809-6891v21e-61977},  journal={Ciência Animal Brasileira},  publisher={Universidade Federal de Goiás},  author={Vaz, Ricardo Zambarda and Lobato, José Fernando Piva and Restle, João and Costa, Pablo Tavares and Eloy, Lidiane Raquel and Ferreira, Otoniel Geter Lauz and Costa, João Luiz Benavides},  year={2020},  pages={e–61977} }