@article{waker_nääs_2018,  title={Structural Attributes Dynamics of the Brazilian Broiler Production Chain},  volume={20},  ISSN={1516-635X},  url={https://doi.org/10.1590/1806-9061-2018-0799},  DOI={10.1590/1806-9061-2018-0799},  number={3},  journal={Brazilian Journal of Poultry Science},  publisher={Fundação de Apoio à Ciência e Tecnologia Animal},  author={Waker, R and Nääs, I},  year={2018},  month={Jul},  pages={517–526} }