Soares, P. C., Maruta, C. A., Sucupira, M. C. A., Mori, C. S., Kitamura, S. S., Antonelli, A. C., & Ortolani, E. L. (2006). Diagnosis of energy deficiency in cattle by ruminal metabolism tests. Brazilian Journal of Veterinary Research and Animal Science, 43(1), 33-41. https://doi.org/10.11606/issn.1678-4456.bjvras.2006.26515