Neamand, J., Sweeny, W. T., Creamer, A. A. et al. 1975. Cage activity in the laboratory beagle: A preliminary study to evaluate a method of comparing cage size to physical activity. Laboratory Animal Science 25, 180-183.
There appeared to be little difference between the general activity levels of the 2 dogs, regardless of the amount of [unstructured] activity space available.
Year
1975