title: A compact and inexpensive drinkometer for use with small animals.
mesh_terms: D000818:Animals; D003365:Costs and Cost Analysis; D004327:Drinking Behavior; D004582:Electronics, Medical / Q000295:instrumentation; D004864:Equipment and Supplies; D006799:Housing, Animal; D007259:Infrared Rays; D051381:Rats; D013997:Time Factors