Effects of a variety of foods on feeding behavior in rats

Tipo de publicaciónJournal Article
Año de publicación2012
AutoresLópez-Espinoza, A, Martínez Moreno, AG, Aguilera Cervantes, VG, Galindo, A, Cárdenas-Villalvazo, A, Valdés, EH, Zepeda Salvador, AP, Espinoza Gallardo, AC
JournalInternational Journal of Hispanic Psychology
Start Page77
Type of ArticleExperimental
Palabras clavecalories, diets, feeding behavior, rats, variety

Purpose of this study was to evaluate effects on water and food intake when exposed to a variety of foods. 12 Wistar rats were used, six females and 6 males. Three groups were created: Norm-Caloric Group, Hypo-Caloric Group, and Hyper-Caloric Group, each were assigned two females and two males. Experiment was divided in 7 phases. Phases 1, 3, 5, and 7 lasted 10 days. In these phases the norm-caloric group was exposed to a normcaloric diet, the hypo-caloric group to a hypo-caloric diet, and the hyper-caloric group to a hyper-caloric diet. Phases 2, 4, and 6 lasted three days, and all subjects were exposed to three diets simultaneously (Variety of foods). Results showed that subjects in normcaloric and hypo-caloric groups, and also females of the hyper-caloric group, increased their food intake during the exposure periods to the variety of foods, regardless of the type of diet they previously received. However, hyper-caloric group maintained its intake. Evidence shows that when exposed to a variety of foods the rats did not regulate their food or calorie intake.