Hooper, S. E., Eshelman, A. N., Cowan, A. N., Roistacher, A., Paneitz, T. S., Amelon, S. K. Using Deuterium Oxide as a Non-Invasive, Non-Lethal Tool for Assessing Body Composition and Water Consumption in Mammals. J. Vis. Exp. (156), e59442, doi:10.3791/59442 (2020).