@article{selaive -villarroel_maciel_oliveira_2008,  title={Effects of weaning age and weight on lamb growth rate of Morada Nova breed raised in a tropical extensive production system},  volume={38},  ISSN={0103-8478},  url={https://doi.org/10.1590/S0103-84782008000300030},  DOI={10.1590/S0103-84782008000300030},  number={3},  journal={Ciência Rural},  publisher={Universidade Federal de Santa Maria},  author={Selaive -Villarroel, Arturo Bernardo and Maciel, Marcus Brocardo and Oliveira, Nelson Manzoni de},  year={2008},  month={May},  pages={784–788} }