System and methods to evaluate and administer drugs. The present invention instantaneously identifies the effects that drugs, including appetite-affecting agents, have on animals. Data is collected automatically and analyzed and further organized to identify feeding patterns and the effect an appetite-affecting agent has on those feeding patterns. The present invention includes a system for data management, including a program with a data acquisition phase and a data analyzing phase to determine the feeding patterns of animals to aid in the evaluation of appetite-affecting drug efficacy.
