@article{pascoa_reyes_elzo_ferreira_bezerra_lobo_2013,  title={Effect of several structures of contemporary groups on estimates of (co)variance and genetic parameters for weaning weight in Nellore cattle},  volume={14},  ISSN={1809-6891},  url={https://doi.org/10.5216/cab.v14i2.13571},  DOI={10.5216/cab.v14i2.13571},  number={2},  journal={Ciência Animal Brasileira},  publisher={Universidade Federal de Goiás},  author={Pascoa, Lillian and Reyes, Arcadio de los and Elzo, Mauricio A. and Ferreira, Jorge Luiz and Bezerra, Luiz A.F. and Lobo, Raysildo Barbosa},  year={2013},  month={Apr},  pages={151–158} }