@article{ahmad_mahmud_hussain_javed_2019, title={Productive Performance, Egg Characteristics and Hatching Traits of Three Chicken Genotypes under Free-Range, Semi-Intensive, and Intensive Housing Systems}, volume={21}, ISSN={1516-635X}, url={https://doi.org/10.1590/1806-9061-2018-0935}, DOI={10.1590/1806-9061-2018-0935}, number={2}, journal={Brazilian Journal of Poultry Science}, publisher={Fundação de Apoio à Ciência e Tecnologia Animal}, author={Ahmad, S and Mahmud, A and Hussain, J and Javed, K}, year={2019}, pages={eRBCA-2018-0935} }