Answer:
Convenience of the research and husbandry staff
Explanation:
It is proper to house social animals nicely because the housing and management of their homes is important to the quality of research data to be gotten when the animals are used for teaching or testing programs.
Animals are properly kept and managed in order to obtain the right species-behaviors required and reduce stress-related behaviors.
Keeping of animals should not be for the convenience of the research staff. but for scientific and behavioral reasons also with an eye on associated health problems
