@article{carvalho_saad_alvarenga_ferreira_assis_pereira_scalon_silva_zangeronimo_2017,  title={Use of collard green stalks as environmental enrichment for cockatiels ( <i>Nymphicus hollandicus</i> ) kept in captivity},  volume={69},  ISSN={0102-0935},  url={https://doi.org/10.1590/1678-4162-8988},  DOI={10.1590/1678-4162-8988},  number={3},  journal={Arquivo Brasileiro de Medicina Veterinária e Zootecnia},  publisher={Universidade Federal de Minas Gerais, Escola de Veterinária},  author={Carvalho, T.S.G. and Saad, C.E.P. and Alvarenga, R.R. and Ferreira, W.M. and Assis, V.D.L. and Pereira, V.M. and Scalon, J.D. and Silva, J.P. and Zangeronimo, M.G.},  year={2017},  month={Jun},  pages={718–724} }