This article describes the deuterium oxide dilution technique in two mammals, an insectivore and carnivore, to determine total body water, lean body mass, body fat mass, and water consumption.
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).