@article{gomes_lima_calderano_rostagno_albino_2011,  title={Effect of dietary levels of methionine + cystine on performance of broiler breeders},  volume={40},  ISSN={1516-3598},  url={https://doi.org/10.1590/S1516-35982011000500011},  DOI={10.1590/S1516-35982011000500011},  number={5},  journal={Revista Brasileira de Zootecnia},  publisher={Sociedade Brasileira de Zootecnia},  author={Gomes, Paulo Cezar and Lima, Cristina Amorim Ribeiro de and Calderano, Arele Arlindo and Rostagno, Horacio Santiago and Albino, Luiz Fernando Teixeira},  year={2011},  month={May},  pages={1014–1018} }