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EchoMRI 3-in-1 body composition analyzer Measures live mice up to 100g, tissue samples of 10g, and biopsy samples up to 0.1g Measurements include lean mass, fat mass, and water mass 3-5 minutes per mouse No anesthesia required

We use indirect calorimetry systems to measure metabolic rates, physical activity, and food intake in laboratory animals. These components impact energy balance and body weight. These indirect calorimetry systems generate a flood of raw data that requires time-consuming manual manipulation for...

Male C57Bl/6J mice (10–14 weeks, JAX) were monitored in the Promethion indirect calorimeter at 30°C, 23°C, and 4°C, tracking body weight and energy expenditure, with data analyzed in CalR. ​

Indirect calorimetry data for one mouse implanted with a glucose and body temperature telemetry probe in the Promethion indirect calorimeter. Food was removed 1 h before start of the dark photoperiod (grey) and mice enter bouts of torpor (Rubio et al Mol Metabolism 2023)​

Germ-free mice can be examined using isolator cages (bottom). With this approach, we canexamine the metabolic profile of germ-free mice or mice colonized with specific microbes. ​

Thermal imaging was performed using FLIR on juvenile mice placed in a sterile 6-well culture dish to visualize body temperature distribution.