Researchers had one group of rats run a few miles every day while they were young, while the other group lived in standard cages and were generally sedentary. (mindbodygreen.com)
Boarding: The Cat Hospital provides both short term and long term boarding, with standard cages as well as deluxe cages available. (hospital4cats.com)
Using the Novel Object Recognition task, in which mice exhibit different levels of curiosity about new objects placed in their cages, and run different mazes to establish navigation abilities, the researchers sought to determine the mice's level of functioning in standard cages versus enriched environments — cages with additional stimuli, running wheels, plenty of food, open space, and water. (sciencedaily.com)