@article{zakaria_jalal_al-titi_souad_2017,  title={Effect of Sources and Levels of Dietary Zinc on the Performance, Carcass Traits and Blood Parameters of Broilers},  volume={19},  ISSN={1516-635X},  url={https://doi.org/10.1590/1806-9061-2016-0415},  DOI={10.1590/1806-9061-2016-0415},  number={3},  journal={Brazilian Journal of Poultry Science},  publisher={Fundação de Apoio à Ciência e Tecnologia Animal},  author={Zakaria, HA and Jalal, M and AL-Titi, HH and Souad, A},  year={2017},  month={Jul},  pages={519–526} }