Albino, L. F. T.; de Brum, P. A. R.; Fialho, F. B.; Paiva, G. J.; Hara, C. Individual Analysis versus Excret Pooling in Determination of Crude Energy in Metabolizable Energy Bioassays. PAB 1994, 29 (3), 467-473. https://doi.org/10.1590/S1678-3921.pab1994.v29.4077.