@article{bitencourt_cerdótes_restle_costa_fernandes_ferreira_silveira_vaz_2020,  title={Age and calving time affects production efficiency of beef cows and their calves},  volume={92},  ISSN={0001-3765},  url={https://doi.org/10.1590/0001-3765202020181058},  DOI={10.1590/0001-3765202020181058},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={BITENCOURT, MARCIA F. and CERDÓTES, LILIANE and RESTLE, JOÃO and COSTA, PABLO T. and FERNANDES, TIAGO A. and FERREIRA, OTONIEL G. L. and SILVEIRA, DANIEL D. and VAZ, RICARDO Z.},  year={2020},  pages={e20181058} }