@article{kitagima_fracalossi_2010,  title={Validation of a methodology for measuring nutrient digestibility and evaluation of commercial feeds for channel catfish},  volume={67},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162010000500016},  DOI={10.1590/S0103-90162010000500016},  number={5},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Kitagima, Renato Eiji and Fracalossi, Débora Machado},  year={2010},  month={Sep},  pages={611–615} }