Helping Scientists Control Their Research...Custom Purified Diets and Intake Monitoring Systems for Lab Animals. Research Diets, Inc. formulates and produces purified OpenSource® Diets for laboratory animals. Our Resource Center is staffed with scientists who consult with customers around the world on diet formulations. Custom diets shipped in 5-7 days. BioDAQ® Food and Liquid Intake Monitor for mice and rats mounts to home cage, records the time, duration, amount of each meal automatically. Automated gate is programmable by time or amount consumed. BioDAQ NHP monitors food intake of socially housed NHPs.