Small animals like rabbits or guinea pigs make wonderful companions. To ensure they lead a happy life, a large exercise area ...

Mice have a strong preference to nest away from their own waste, and mice in laboratories should be housed in a system of cages that allows them to segregate space into clean and dirty areas, ...

Before animal research facilities began using individually ventilated cage (IVC) systems for mice, cages were often changed one or more times per week. When using IVC systems, however, it is standard ...