Feeding Experimentation Device (FED) is an open-source device for measuring food intake in mice. FED can also synchronize food intake measurements with other techniques via a real-time digital output. Here, we provide a step-by-step tutorial for the construction, validation, and usage of FED.
Nguyen, K. P., Ali, M. A., O'Neal, T. J., Szczot, I., Licholai, J. A., Kravitz, A. V. Feeding Experimentation Device (FED): Construction and Validation of an Open-source Device for Measuring Food Intake in Rodents. J. Vis. Exp. (120), e55098, doi:10.3791/55098 (2017).