Dietary fat content influences both energy intake and body fat composition in mammals. By examining rats’ preference for high fat food in a series of choice experiments, it is possible to test genetic differences and pharmacological interventions on their preference for high fat food.
Kasper, J. M., Johnson, S. B., Hommel, J. D. Fat Preference: A Novel Model of Eating Behavior in Rats. J. Vis. Exp. (88), e51575, doi:10.3791/51575 (2014).